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Run your analysis now →https://www.patsnap.com/resources/blog/rd-blog/fragrance-microencapsulation-patent-landscape/ · Patsnap · data cut-off 2026-07-31 · downloaded from the live page
Patent Landscape · Flavors & FragrancesFragrance Microencapsulation Patents: Who Leads and Where the Claims Concentrate
- 79.3% of all 444 records sit with just five assignees — this field is unusually concentrated for a specialty-chemicals niche.
- Filings fell 89% from 2021 (35) to 2024 (4), the last year the data can be treated as complete.
- C11D detergent uses cover 64.2% of records, well ahead of cosmetics (A61Q, 39.2%) and food (A23P, 7.7%), showing where the claim pressure actually sits.
444
Published Records
79%
Top-5 Share of All Records
-89%
Filing Growth 2021→2024
US
Leading Jurisdiction
Filing growth compares 2021 (35 records) with 2024 (4) — 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 444 records in scope (CR5), not by the ranked leaders only.
Published byPatsnap Research··6 min readSourced from Patsnap Eureka
Overview
What the fragrance microencapsulation patent record shows
Fragrance microencapsulation covers the shell chemistry and release mechanisms — polyurea walls, fracture release, biodegradable shells, wall-thickness control — that let a scent survive storage and deploy on contact, wash or heat. The 444 records in scope span 2015 through mid-2026 and cluster heavily around detergent and personal-care applications rather than fine fragrance alone.
Filing activity peaked in 2019 at 79 records and has declined since, with 2021's 35 filings dropping to 4 by 2024 — the last year the dataset can be read as complete, since publication typically lags filing by around 18 months. That decline coincides with a small number of assignees holding the bulk of the claim space, which raises the bar for new entrants filing on the same core shell chemistry.
Filing activity by year, 2017-2026
Source: Patsnap Eureka. Assignee ranking and totals. Derived from a Patsnap search on Fragrance Microencapsulation 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
The Data
Filing trends and technology composition
Two views of the same 444-record dataset: how filing volume has moved year over year, and which IPC subclasses carry the claim density.
A peak in 2019, then a steep pull-back
Filings ran from 43 in 2017 to a peak of 79 in 2019, then fell sharply; 2021's 35 filings had dropped to 4 by 2024, an 89% decline over that span. The final two years in the chart are still filling in as publications catch up with filing dates.
Detergents and medicinal uses dominate the claim space
C11D (detergents and cleaning compositions) appears in 64.2% of the 444 records and A61K (medicinal preparations) in 58.1%, ahead of A61Q cosmetics use at 39.2%. Because a single record can carry several IPC codes, these figures add up to more than 100% and should be read as density, not as a breakdown of the whole.
Shares are the percentage of the 444 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 Fragrance Microencapsulation covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.
Go deeper on Fragrance Microencapsulation with Eureka
This page is one run against one query. Ask Eureka your own question about fragrance microencapsulation and every answer comes back with the patent numbers behind it.
Try EurekaKey Patents
The most-cited records anchoring this field
Representative filing
Encapsulates (US20180215983A1, Encapsys, LLC)
ENCAPSYS, LLC
The filing discloses a microencapsulated phase change material built around a polyurea shell formed by polymerizing an isocyanate and an amine. The process disperses a core-material internal phase, carrying a multifunctional isocyanate, into an aqueous emulsifier phase under high-speed agitation, then cures the shell wall around the resulting droplets.Shell-formation process claims of this kind sit at the centre of the polyurea route used across much of the dataset.
View full filingHighest-cited fragrance microencapsulation patents
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20040071742A1 | Encapsulated fragrance chemicals | 645 |
| 2 | US20040071746A1 | Encapsulated fragrance chemicals | 535 |
| 3 | US20040072719A1 | Encapsulated fragrance chemicals | 480 |
| 4 | US20040072720A1 | Encapsulated fragrance chemicals | 467 |
| 5 | US20070078071A1 | Spray dry capsule products and methods for preparing and using same | 169 |
| 6 | US20050112152A1 | Encapsulated materials | 150 |
| 7 | US7119057B2 | Encapsulated fragrance chemicals | 134 |
| 8 | US7125835B2 | Encapsulated fragrance chemicals | 116 |
| 9 | EP1533364A2 | Encapsulated materials | 110 |
| 10 | WO2016049456A1 | Capsule aggregates | 109 |
Citation counts favour older filings inside any searched corpus — read them as a signal of influence on later filers, not as a ranking of current 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 Fragrance Microencapsulation 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 numbers mean for a filing decision
Three read-outs from the ranking, the trend, and the citation table that matter more than the raw counts.
Concentration
79.3% of 444 records
held by the top five assignees
The field is claimed by a small group
Five companies account for 352 of the 444 records in scope, and the top ten reach 96.2%. A new filer working on core polyurea-shell chemistry is filing into space already dense with claims from a handful of incumbents.
Top 5 vs Top 10 combined share
Momentum
-89% (2021 to 2024)
filings across the last complete span
Volume has pulled back from its 2019 peak
Filings peaked at 79 in 2019 and 35 in 2021 dropped to 4 by 2024, the last year the trend can be read reliably given an 18-month publication lag. That is a volume signal, not a signal that the underlying chemistry is exhausted.
Filing trend, 2021-2024
Application spread
64.2% C11D vs 7.7% A23P
detergent use vs food-shaping use
Detergent and medicinal uses dominate over food and textile
C11D (detergents) and A61K (medicinal preparations) carry far more of the 444 records than A23P (food shaping, 7.7%) or D06M (textile treatment, 9.0%), pointing to where claim density is thin relative to commercial interest in scent-release consumer goods.
IPC subclass share of 444 records
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 fragrance microencapsulation, with the prior art for and against each one.
Source: Patsnap Eureka. Co-assignee relationships and derived observations. Derived from a Patsnap search on Fragrance Microencapsulation 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
Players
Who holds the claims, and where they are pulling back
The leader in this ranking holds 250 of the 444 records outright; momentum data shows several of the largest filers reporting zero filings in the latest year, consistent with the broader pull-back after 2019.
Leader
250 records
of 444 total
One filer dominates the ranked list
The top-ranked assignee alone accounts for more than half of all 444 records, a scale gap that separates it clearly from fifth place (20 records) and tenth place (11).
Leader vs 5th and 10th place
Long tail
49 companies ranked
in the assignee ranking
A long tail beyond the top ten
The ranking runs to 49 companies, but the top ten already cover 96.2% of the 444 records, leaving little room in the ranked list itself for meaningful volume outside the leaders.
Assignees ranked by record count
Collaboration
10 co-assignee pairs
identified in the dataset
Co-filing is limited but concentrated
Only ten co-assignee pairs appear in the data, and the strongest link ties a major fragrance house to a national research centre, with a university appearing alongside both — a pattern of applied-plus-academic co-filing rather than broad industry collaboration.
Strongest co-assignee pairings
Recent-year filing momentum by assignee
| Assignee | Recent year | YoY |
|---|---|---|
| Enviroscent Inc | 1 | -67% |
| International Flavors & Fragrances Inc | 0 | -100% |
| Procter & Gamble Co | 0 | — |
| Symrise GmbH & Co KG | 0 | — |
| Givaudan SA | 0 | — |
| Centre National de la Recherche Scientifique (CNRS) | 0 | — |
| Universite Pierre et Marie Curie | 0 | — |
| Enviroscent Inc | 0 | — |
Source: Patsnap Eureka. Assignee-level momentum. Derived from a Patsnap search on Fragrance Microencapsulation 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
What's Next
Where to take this analysis
The dataset points to a mature, concentrated core and several thinner branches. Two directions make sense depending on what a team needs next.
Map the white space before drafting claims
The under-claimed branches above sit inside subclasses that are already active elsewhere in the dataset, which lowers the risk of filing into empty but commercially dead space.
Explore white space in EurekaTrack the leaders' recent pull-back
Several top assignees show zero filings in the latest year; confirming whether that reflects a strategy shift or a publication-lag artefact changes how a competitive response should be timed.
Monitor assignee activity in EurekaSource: Patsnap Eureka. Forward-looking reading of the same dataset. Derived from a Patsnap search on Fragrance Microencapsulation 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 on fragrance microencapsulation patents
One assignee holds 250 of the 444 records in this dataset, far ahead of the rest of the ranked list, where fifth place holds 20 records and tenth place holds 11. The top five assignees combined account for 79.3% of all 444 records, and the top ten reach 96.2%. That level of concentration means most of the core polyurea-shell and release-mechanism claims already sit with a small group of established filers.
No. Filings peaked at 79 in 2019, and the last span that can be read reliably — 2021's 35 filings down to 4 by 2024 — shows an 89% decline. Because publication lags filing by roughly 18 months, the 2025-2026 figures in any chart understate real activity and should not be read as continuing the decline. The honest read is that volume has pulled back sharply from its 2019 peak, not that the technology has stalled.
The dataset's IPC classes show detergents and cleaning compositions (C11D) in 64.2% of the 444 records and medicinal preparations (A61K) in 58.1%, both ahead of cosmetics use (A61Q, 39.2%). Food-shaping applications (A23P) and textile treatment (D06M) are much thinner, each under 10% of records. Since a single filing can carry several IPC codes, these figures overlap rather than sum to 100%.
US20180215983A1, assigned to Encapsys, LLC, discloses a microencapsulated phase change material built on a polyurea shell formed by reacting an isocyanate with an amine around a core material. The process disperses an internal phase carrying the core and a multifunctional isocyanate into an aqueous emulsifier phase under high-speed agitation to form the encapsulating droplets. Anyone designing a polyurea-shell process with a similar isocyanate-amine wall formation and emulsion-based droplet step should check this filing's claim scope directly rather than relying on the abstract alone.
The IPC composition data points to food-shaping applications (A23P, 7.7% of 444 records) and textile chemical treatment (D06M, 9.0%) as the thinnest branches relative to the density seen in detergents and cosmetics. Biodegradable shell chemistry and fracture-release trigger tuning also show up as narrower slices of the record set than the broader polyurea-shell claims. These are reasonable starting points for a novelty search, though thin coverage in a dataset does not by itself guarantee an allowable claim — it only narrows where to look first.
Answers are grounded in the same dataset. Derived from a Patsnap search on Fragrance Microencapsulation 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.