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Run your analysis now →https://www.patsnap.com/resources/blog/rd-blog/cabin-interior-materials-and-flammability-patent-landscape/ · Patsnap · data cut-off 2026-07-31 · downloaded from the live page
Patent Landscape · Cabin Interior MaterialsCabin interior materials and flammability patents: who holds the claim space and where it is still open
- 34.4% of the field sits with five companies. The top 5 assignees combine for 229 of 665 records in scope, so a freedom-to-operate check for a new laminate or coating almost always starts with a short list, not a long one.
- Filing has cooled, not collapsed. The last complete three-year span shows filings down from 8 to 6 (-25%) between 2021 and 2024; 2025-2026 figures are still filling in as publication catches up with filing.
- B32B dominates, but the layers underneath don't. 71.3% of records touch layered products and laminates (B32B), yet adhesives, printing processes and building finishing each sit under 12% — narrower filing bands worth checking before you draft claims.
665
Published Records
34%
Top-5 Share of All Records
-25%
Filing Growth 2021→2024
US
Leading Jurisdiction
Filing growth compares 2021 (8 records) with 2024 (6) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 665 records in scope (CR5), not by the ranked leaders only.
Published byPatsnap Research··7 min readSourced from Patsnap Eureka
Field Overview
What this landscape covers
Cabin interior materials and flammability sits at the intersection of laminate chemistry, decorative surface finishing and fire-safety testing. The search scope here pulls records referencing cabin interior panels, decorative laminates and flame retardant panels together with the technical measures used to qualify them — heat release rate, smoke density, phenolic prepreg systems, honeycomb sandwich panels, thermoplastic film and abrasion resistant coatings. That combination captures both the aerospace and rail interior trades, where decorative surface and fire performance have to be engineered as one problem rather than two.
665 published records fall inside this scope between 2015 and the mid-2026 data cut-off. Because publication lags filing by roughly 18 months, the most recent one to two years understate real filing activity; the trend and concentration figures below should be read against that lag rather than as a live snapshot.
Filing activity and technology composition, 2015-2026
Source: Patsnap Eureka. Assignee ranking and totals. Derived from a Patsnap search on Cabin Interior Materials and Flammability covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
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The Numbers
Filing trend and technology composition
Two views of the same 665-record dataset: how filing activity has moved year over year, and which IPC subclasses carry the claim density.
Filing trend, 2017-2026
Filings ran from 17 in 2017 to a peak of 48 in 2019, then eased; the last complete comparison point runs 2021 (8) to 2024 (6), a -25% move. 2025 and 2026 are still incomplete in the record and should not be read as a continued decline.
Technology composition by IPC subclass
B32B (layered products & laminates) touches 71.3% of the 665 records, well ahead of B44C (decorative arts & surface finishing) at 27.2% and B29C (plastics shaping) at 14.1%. Because records can carry multiple IPC codes, these shares add to more than 100% and should be read individually, not summed.
Shares are the percentage of the 665 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Source: Patsnap Eureka. Filing trend and technology composition. Derived from a Patsnap search on Cabin Interior Materials and Flammability covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.
Go deeper on Cabin Interior Materials and Flammability with Eureka
This page is one run against one query. Ask Eureka your own question about cabin interior materials and flammability and every answer comes back with the patent numbers behind it.
Try EurekaRepresentative Filing
A representative claim in this space
Representative Record · CA2918110C
Fire-resistant, gas permeable decorative laminate
THE BOEING COMPANY
A decorative laminate comprises a decorative layered structure, a gas permeable layer and a metal foil gas barrier layer. The decorative layered structure defines a first surface and a second surface opposed from said first surface. The gas permeable layer underlies the decorative layered structure and has a cross sectional thickness ranging from about 1 mil to about 10 mil. Continuous voids extend in x, y and z directions through the gas permeable layer such that gases can permeate in the x, y and z directions through the gas permeable layer. The metal foil gas barrier layer is positioned between the gas permeable layer and the decorative layered structure.Filed by The Boeing Company; published 2019-10-15. The continuous-void gas permeable layer combined with a metal foil barrier is the structural feature worth checking against any new decorative-laminate design intended for fire-rated cabin use.
View full recordMost-cited records in scope
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20100210745A1 | Molecular Healing of Polymeric Materials, Coatings, Plastics, Elastomers, Composites, Laminates, Adhesives, a… | 718 |
| 2 | US20110240064A1 | Polymeric Coatings Incorporating Bioactive Enzymes for Cleaning a Surface | 292 |
| 3 | US20120097194A1 | Polymeric Coatings Incorporating Bioactive Enzymes for Catalytic Function | 250 |
| 4 | US20110250626A1 | Visual Assays for Coatings Incorporating Bioactive Enzymes for Catalytic Functions | 206 |
| 5 | US5591530A | Flexible optically uniform sign face substrate | 171 |
| 6 | US20150191607A1 | Anti-fouling Paints and Coatings | 166 |
| 7 | US4255480A | Abrasion-resistant laminate | 150 |
| 8 | US6092915A | Decorative lighting laminate | 149 |
| 9 | US4430375A | Abrasion-resistant laminate | 146 |
| 10 | US3540978A | Abrasion resistant laminates and coating therefor | 86 |
Ranked by citation count within the searched corpus. Citation counts skew toward older publications, so treat this as a signal of past influence rather than current technical importance.
Each row carries its publication number; clicking a row searches Eureka by that number.
Source: Patsnap Eureka. Citation counts and representative records. Derived from a Patsnap search on Cabin Interior Materials and Flammability covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
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What the data means for filing strategy
Three figures explain most of the strategic picture: how concentrated the field is, how filing momentum has moved, and which IPC bands are dense versus thin.
Concentration
34.4%
of 665 records held by top 5 assignees
The top of the field is genuinely narrow
Five assignees combine for 229 of the 665 records in scope, and the top 10 extend that to 328 records (49.3%). A new entrant's freedom-to-operate review in this space is realistically a short-list exercise against a handful of established laminate and coatings holders, not a scan of a diffuse field.
Based on the assignee ranking of 665 records
Momentum
-25%
filings, 2021 to 2024
Filing has eased from its 2019 peak
Activity peaked at 48 records in 2019 and the last complete comparison window shows a drop from 8 to 6 filings between 2021 and 2024. Recent-year momentum data shows several leading assignees at zero in the latest year, though this may reflect the publication lag as much as any real pullback.
Publication lags filing by ~18 months
Technology mix
71.3%
of records touch B32B (layered products)
Laminate structure claims dominate, chemistry claims are thinner
B32B claims sit under nearly three-quarters of the dataset, but supporting chemistry classes are comparatively thin: C08L (polymer compositions) reaches only 8.4% and C09J (adhesives) 11.3%. That gap between structural and formulation claim density is where drafting room is likeliest to remain.
Shares are of all 665 records; a record may carry multiple IPC codes
Eureka AI Agent
Looking for what nobody has claimed yet?
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to cabin interior materials and flammability, with the prior art for and against each one.
Source: Patsnap Eureka. Co-assignee relationships and derived observations. Derived from a Patsnap search on Cabin Interior Materials and Flammability covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
Competitive Landscape
Who holds the claim space
The ranking covers 100 companies across the 665 records in scope. It is the full set the data endpoint returns for this search, not a curated top-50 or top-100 list.
Leader
64
records
One assignee sits well ahead of the field
The leading assignee holds 64 records, more than double the fifth-place holder at 27 and well over four times the tenth-place holder at 15. That gap between first and fifth place is the clearest single indicator of where prior art risk concentrates.
Counted in records, assignee ranking
Mid-field
27 → 15
fifth to tenth place
A steep drop-off after the top five
Record counts fall from 27 at fifth place to 15 at tenth, meaning the top 10 combined (328 records, 49.3% of the field) is doing most of the work of half the dataset. Beyond tenth place the ranking thins into a long tail of smaller filers.
Top 10 combined: 328 of 665 records
Momentum
0
latest-year filings for several leaders
Recent-year activity has gone quiet among top filers
Several of the most active historical assignees show zero filings in the latest year, including the field leader at -100% year-on-year. Given the ~18-month publication lag, this is as likely to reflect incomplete recent data as an actual pullback, but it is worth tracking into the next filing year.
Recent-year momentum by assignee
Filing momentum by assignee
| Assignee | Recent year | YoY |
|---|---|---|
| The Boeing Company | 0 | -100% |
| Aica Kogyo Co., Ltd. | 0 | — |
| Premark RWP Holdings, Inc. | 0 | — |
| Eastman Chemical Company | 0 | — |
| Formica Corporation | 0 | — |
| Avery Dennison Corporation | 0 | — |
| Nevamar Corporation | 0 | — |
| E.I. du Pont de Nemours and Company (USA) | 0 | — |
Source: Patsnap Eureka. Assignee-level momentum. Derived from a Patsnap search on Cabin Interior Materials and Flammability covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
Next Steps
Where to take this analysis
The figures here establish the shape of the field. Turning that into a filing or freedom-to-operate decision means drilling into specific claims and specific assignees.
Run a freedom-to-operate check against the top 10
With 49.3% of the field held by ten assignees, a targeted claim chart against that group covers roughly half the prior art risk before looking anywhere else.
Explore assignee claims in EurekaMap the thin IPC bands before drafting
Adhesives, polymer compositions and printing processes all sit under 12% of records; a new formulation claim aimed at these bands faces less occupied prior art than one aimed at B32B laminate structure.
Search white space in EurekaWatch for the 2025-2026 filing catch-up
The apparent slowdown after 2021 partly reflects publication lag rather than real filing behaviour; re-check the trend once 2025 filings finish publishing.
Track filing trends in EurekaSource: Patsnap Eureka. Forward-looking reading of the same dataset. Derived from a Patsnap search on Cabin Interior Materials and Flammability covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
FAQ
Common questions about this field
The assignee ranking for this dataset covers 100 companies across 665 records, with the leading assignee holding 64 records and the fifth-place holder at 27. The top five assignees combined account for 229 records, or 34.4% of the full 665-record dataset, so the field's leadership is concentrated rather than evenly spread. Aerospace interior specialists and decorative laminate manufacturers make up the bulk of the top tier, reflecting the dual demand for fire performance and surface finish in this space.
Filing peaked at 48 records in 2019 and the last fully comparable window shows a drop from 8 filings in 2021 to 6 in 2024, a -25% change. Figures for 2025 and 2026 are still incomplete because patent publication typically lags filing by around 18 months, so it would be premature to call the field in decline based on the most recent years alone. The honest read is that activity has cooled from its 2019 peak, with the true trajectory for 2025-2026 still to be confirmed as more records publish.
Layered products and laminates (IPC class B32B) appear in 71.3% of the 665 records in scope, making it by far the dominant technology class. Decorative arts and surface finishing (B44C) follows at 27.2%, and plastics shaping (B29C) at 14.1%. Because a single patent record can carry several IPC codes, these percentages add up to more than 100% and should be read as independent measures of claim density, not as parts of a whole.
The clearest under-claimed bands are the ones sitting well below the dominant B32B laminate class: adhesives (C09J) at 11.3% of records, polymer compositions (C08L) at 8.4%, and printing and marking processes (B41M) at 7.7%. These lower shares indicate less occupied claim territory relative to laminate structure work, particularly around phenolic prepreg formulations, honeycomb core bonding methods and smoke-density-optimised film chemistries. Any first claim in these bands should be checked against the specific formulation or process chemistry rather than the layered-structure claims that dominate the field.
CA2918110C, assigned to The Boeing Company and published 2019-10-15, claims a decorative laminate built from a decorative layered structure, a gas permeable layer with continuous voids running in three directions, and a metal foil gas barrier positioned between the two. The specific combination of a continuous-void gas permeable layer of roughly 1 to 10 mil thickness with a metal foil barrier is the feature most likely to constrain new fire-rated decorative laminate designs. Designers working around it should look closely at alternative barrier placements or non-metallic barrier chemistries rather than the void structure itself, which sits close to the claim's core language.
Answers are grounded in the same dataset. Derived from a Patsnap search on Cabin Interior Materials and Flammability covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
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Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company's registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.