Recyclable Mono-Material Packaging Patent Landscape 2026
The recyclable mono-material packaging space is dominated by two Japanese printing majors—Dai Nippon Printing and Toppan Holdings—whose combined weight, alongside three other top filers, accounts for 61% of the hundred largest filers’ combined output. Filing activity peaked in 2021 and has eased since, signalling a field that established its core laminate architecture quickly and is now consolidating rather than expanding.
Two Japanese printers lead a tightly concentrated field
Dai Nippon Printing Co Ltd holds the top position with 39 patent families, nearly double the second-ranked Toppan Holdings Inc at 20 patent families—a gap that underscores how firmly the Japanese printing industry has claimed this space.
The top five filers together represent 61% of the hundred largest filers’ combined total, a concentration level that leaves limited room for mid-tier challengers to close the gap through incremental filings alone. SABIC Global Technologies BV (14 patent families), Japan Polyethylene Corp (9), and Di Mauro Officine Grafiche (9) round out the leading tier, with the remainder of the ranked applicants holding six or fewer patent families each.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Dai Nippon Printing Co Ltd | 39 | |
| 2 | Toppan Holdings Inc | 20 | |
| 3 | SABIC Global Technologies BV | 14 | |
| 4 | Japan Polyethylene Corp | 9 | |
| 5 | DI MAURO OFFICINE GRAFICHE | 9 | |
| 6 | Mondi AG | 6 | |
| 7 | Zacros Corp | 5 | |
| 8 | Unilever IP Holding BV | 5 | |
| 9 | Unilever Global IP Ltd | 5 | |
| 10 | Lear Corporation | 4 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Nova Chemicals (International) SA | 4 | |
| 12 | Uflex Ltd | 3 | |
| 13 | Industria Termoplastica Pavese SpA | 2 | |
| 14 | Fujimori Kogyo Co Ltd | 2 | |
| 15 | HUHTAMAKI FLEXIBLE PACKAGING GERMANY GMBH & CO KG | 2 | |
| 16 | Arkema France SA | 2 | |
| 17 | Covestro Deutschland AG | 2 | |
| 18 | Power2Polymers GmbH | 2 | |
| 19 | Bemis Associates Inc | 1 | |
| 20 | RM Tohcello Co Ltd | 1 |
The leaders’ positions imply that the foundational laminate and barrier-layer architecture of mono-material polyethylene packaging is already densely covered; new entrants or challengers must differentiate through adjacent chemistry (polymer compositions, adhesives, shaping processes) or through regional filings in currently sparse jurisdictions.
Filings from approximately 2024 onward are likely under-counted due to standard patent publication lag of 18–24 months; the apparent decline in those years should not be read as a confirmed trend reversal. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2021 filing peak, dominated by laminate and packaging IPC classes
The annual filing trend reveals a sharp rise from 2019 to a 2021 peak, followed by a sustained easing—consistent with a field that codified its core technology during a regulatory-driven surge. The technology composition is anchored in two IPC classes that together dwarf all others, reflecting the structural focus of the entire corpus.
Annual filing trend
Filings grew from negligible volume in 2017–2018 to a peak of 39 patent families in 2021, then stepped down through 2022 and 2023. Years from 2024 onward are subject to publication lag and should be treated as incomplete counts rather than evidence of further decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B32B (Layered products and laminates) and B65D (Containers and packaging) together account for the overwhelming share of filings, confirming that structural laminate design is the primary battleground. C08J (Polymer processing), C08L (Polymer compositions), and C08F (Addition polymers) are present but at substantially lower volume, marking the chemistry layer as relatively sparse. Classes such as B29C (Shaping of plastics), C09J (Adhesives), and C08G (Condensation polymers) appear at only a handful of records each.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Multilayer Mono-Material Polyethylene (PE) Assembl…
The invention concerns a multilayer mono-material PE assembly that achieves durability, versatility and customization, lightness and chemical resistance, gas and moisture barrier chemical resistance, gas and moisture barrier, while being at the same time environmentally sustainable and recyclable with low effort. The invention relates also to a process for… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Laminate and packaging container | 19 |
| 2 | Laminate, and pouch for retort or boiling | 16 |
| 3 | Laminate and packaging container | 13 |
| 4 | Laminate and packaging container | 12 |
| 5 | Substrate, vapor-deposited substrate, laminate and… | 11 |
| 6 | Multilayer polymer film | 9 |
| 7 | Laminate, and pouch for retort or boiling | 9 |
| 8 | Thermally laminated polyethylene-based "monomateri… | 8 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the patent structure means for R&D investment decisions
The combination of high concentration, a post-peak filing curve, and under-served chemistry branches points to a field where the core laminate space is largely claimed, but where chemistry-layer and process-level differentiation remain accessible.
Post-peak consolidation: core laminates are well-covered
The lifecycle assessment classifies this field as Decline, with annual filings easing back from the 2021 peak and a recent-window growth rate of –12%. The 2019–2021 surge was rapid and appears to have been driven by regulatory pressure to establish recyclable alternatives; the corpus now reflects a consolidation phase. R&D investment in standard polyethylene laminate structures faces a crowded prior-art landscape.
Lifecycle: Decline61% concentration among top five filers creates a high barrier in core laminates
The top five filers account for 61% of the hundred largest filers’ combined total, with a nearly 2-to-1 gap between first and second place. This level of concentration means that competing directly in multi-layer polyethylene laminate structures requires either a superior technical differentiation or a licensing strategy. Mid-tier players with six or fewer patent families—including Mondi AG, Unilever, and Zacros Corp—have not yet closed the gap.
High concentrationIntra-Unilever co-filing is the only visible collaboration signal
The collaboration evidence shows co-filing activity exclusively within the Unilever group: Unilever IP Holding BV and Unilever Global IP Ltd co-filed on 4 patent families, and both entities co-filed with Conopco Inc on 2 patent families each. No cross-company or industry-academia co-filing clusters are visible in the evidence. This suggests the space has not yet attracted open-innovation or consortium-style development at scale.
Intra-group onlyJapan-centric filing with limited Western hemisphere coverage
Japan is the dominant filing jurisdiction, reflecting the nationality of the two leading applicants. WIPO (PCT) and Europe (EPO) filings provide some international reach, but United States, India, Canada, and Germany each show notably lower activity. The thin coverage in the United States and China—key consumer packaging markets—represents a potential enforcement gap and may also indicate commercial opportunity for applicants willing to file there.
Japan-centricGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Unilever IP Holding BV | Unilever Global IP Ltd | 4 |
| Unilever IP Holding BV | Conopco Inc | 2 |
| Unilever Global IP Ltd | Conopco Inc | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Dai Nippon Printing leads; Toppan Holdings emerges as a new-entrant challenger
The two top-ranked players share a focus on laminate and packaging IPC classes but differ meaningfully in trajectory: the incumbent leader is contracting while the challenger has entered with a large recent-period burst.
Dai Nippon Printing Co Ltd
Dai Nippon Printing Co Ltd holds 39 patent families, the largest portfolio in the space. Its technology emphasis is concentrated in B32B 27 (layered products and laminates) and B65D 65 (containers and packaging), with secondary coverage in B32B 9. Its recent-period momentum is –67%, indicating a sharp reduction in new filings compared to its prior three-year pace—consistent with a mature, defense-oriented position rather than an active expansion strategy.
patent families: 39Toppan Holdings Inc
Toppan Holdings Inc holds 20 patent families and is classified as a new entrant based on its recent filing momentum, meaning its portfolio is heavily weighted toward recent periods. Its technology focus mirrors the leader’s—B65D 65 and B32B 27—but with a slightly higher share in the packaging container class. As a new entrant with concentrated recent activity, Toppan represents the most credible near-term threat to Dai Nippon Printing’s positional lead.
patent families: 20| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Dai Nippon Printing Co Ltd | 9 | ▼ -67% |
| Toppan Holdings Inc | 20 | ▲ new entrant |
| SABIC Global Technologies BV | 1 | ▼ -92% |
| Japan Polyethylene Corp | 5 | ▲ new entrant |
| Mondi AG | 4 | ▲ new entrant |
| Nova Chemicals (International) SA | 3 | ▲ new entrant |
Under-served branches in polymer chemistry and process engineering
While laminate structure and container design are densely filed, several IPC classes adjacent to the dominant B32B/B65D core show low filing counts and plausible technical relevance to next-generation mono-material development.
C09J · Adhesives — tie-layer and sealant chemistry
C09J (Adhesives) appears in only 7 patent records, representing approximately 2% of the technology composition. Tie-layer and sealant adhesive chemistry is a critical performance bottleneck in mono-material structures—conventional adhesives can compromise recyclability. The sparse filing density here, combined with the clear technical need, makes this an under-served branch worth monitoring. Entry is technically feasible for specialty chemical players already active in C08L or C08F.
Search this in Eureka →B29C · Shaping of plastics — process-level differentiation
B29C (Shaping of plastics) accounts for only 5 patent records, roughly 2% of the corpus. Shaping and converting processes—including extrusion coating, blown film, and co-extrusion optimization—directly affect the mechanical and barrier performance of mono-material structures without requiring new polymer chemistry. The low filing count suggests that process engineering has not been a primary patenting focus, leaving room for equipment makers or converters to establish positions.
Search this in Eureka →How leaders differ by technology route across IPC classes
Route coverage across the main technology branches in the current evidence set.
| Player | B32B 27 · Layered products & laminates | B65D 65 · Containers & packaging | B32B 7 · Layered products & laminates | C08L 23 · Polymer compositions | B32B 9 · Layered products & laminates |
|---|---|---|---|---|---|
| Dai Nippon Printing Co Ltd | Strong · 38 | Strong · 38 | Emerging · 3 | Emerging · 3 | Moderate · 12 |
| Toppan Holdings Inc | Strong · 17 | Strong · 19 | Emerging · 3 | Absent | Moderate · 6 |
| SABIC Global Technologies BV | Strong · 14 | Emerging · 2 | Moderate · 4 | Emerging · 1 | Absent |
| Japan Polyethylene Corp | Strong · 9 | Strong · 8 | Absent | Moderate · 4 | Absent |
| Fujimori Kogyo Co Ltd | Strong · 6 | Strong · 6 | Strong · 6 | Absent | Absent |
| DI MAURO OFFICINE GRAFICHE | Strong · 9 | Emerging · 1 | Emerging · 1 | Absent | Absent |
| Nova Chemicals (International) SA | Strong · 4 | Absent | Absent | Strong · 4 | Absent |
Frequently asked questions
The evidence covers 148 patent families in scope. The corpus is globally sourced but is heavily weighted toward Japan, which leads all jurisdictions by a wide margin.
Dai Nippon Printing Co Ltd holds the largest portfolio with 39 patent families, followed by Toppan Holdings Inc with 20 patent families. Together they account for a substantial portion of the top-tier filing activity.
Annual filing volume peaked in 2021 at 39 patent families and has eased since. The recent-window growth rate is -12%, placing the field in a post-peak consolidation or decline phase. Data from 2024 onward is likely incomplete due to publication lag and should not be read as a confirmed further decline.
B32B (Layered products and laminates) and B65D (Containers and packaging) together dominate the technology composition by a wide margin. C08J (Polymer processing), C08L (Polymer compositions), and C08F (Addition polymers) are present at lower volume, and several process and adhesive classes appear at only a handful of records each.
Japan is the leading filing jurisdiction, reflecting the dominance of Japanese printing companies at the top of the applicant ranking. WIPO (PCT) and Europe (EPO) provide secondary international coverage, while the United States, India, Canada, and Germany each show notably lower filing activity.
The most-cited patent titles in the corpus relate to laminates and packaging containers, retort or boiling pouches, multilayer polymer films, and thermally laminated polyethylene-based mono-material structures. These citation patterns confirm that the foundational laminate architecture is the core of the prior-art landscape.
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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.
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