Mono-Material Recyclable-Design / LCA Patent Landscape
This is a concentrated, post-peak niche: the top five filers account for 80% of activity among the hundred largest filers, with SABIC Global Technologies BV holding a commanding lead. Annual volume peaked in 2021 and has since eased, signalling a field that has moved past early-growth momentum but retains pockets of new entrant activity.
SABIC leads a highly concentrated field with a clear tier gap
SABIC Global Technologies BV leads the applicant ranking with 12 patent families, more than 30% ahead of the second-ranked filer, DI Mauro Officine Grafiche at 9 patent families. The top five filers collectively account for 80% of the combined total of the hundred largest filers, indicating an unusually tight competitive cluster.
A clear two-tier structure is visible: SABIC and DI Mauro form a leading pair, Mondi AG and the joint-ranked ZACROS Corp and Lear Corp occupy a mid-tier, and the remaining filers each hold a single or two patent families. This gap makes organic entry into the top tier relatively difficult without either a targeted acquisition or a step-change in filing rate.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | SABIC Global Technologies BV | 12 | |
| 2 | DI Mauro Officine Grafiche | 9 | |
| 3 | Mondi AG | 6 | |
| 4 | Zacros Corp | 4 | |
| 5 | Lear Corporation | 4 | |
| 6 | Ind Termoplastica Pavese SpA | 2 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 7 | Unilever Global IP Ltd | 2 | |
| 8 | Bemis Associates Inc | 1 | |
| 9 | Toppan Holdings Inc | 1 | |
| 10 | Arkema France SA | 1 | |
| 11 | Covestro Deutschland AG | 1 | |
| 12 | Yanfeng International Automotive Technology Co Ltd | 1 |
The leaders’ positions are built predominantly on layered-product and laminate technology (B32B), which accounts for the large majority of the corpus. This means the competitive moat is structural-materials chemistry and multilayer film design — any challenger must address this domain directly or seek differentiation in adjacent branches.
Publication lag means the most recent one to two years of data are likely under-counted; the apparent low volume in 2024–2025 should not be read as a definitive further contraction. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity peaked in 2021; layered-product chemistry dominates the technology mix
The annual filing trend and the IPC technology composition together show a field that burst into activity around 2020–2021 and has since settled to lower but non-zero annual volumes, while remaining heavily concentrated in a single technology class.
Annual filing trend
Filings were negligible before 2019, surged to a peak of 19 families in 2021, then fell sharply. Subsequent years show modest but non-zero activity (8 in 2023, 5 in 2025). The 2024 and 2025 data points are subject to publication lag and should be treated as lower-bound estimates rather than confirmed totals.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B32B (layered products and laminates) is overwhelmingly dominant. C08J (polymer processing and solutions) and B65D (containers and packaging) are secondary. Apparel (A41D), woven fabrics (D03D), polymer compositions (C08L), and adhesives (C09J) each represent small but non-trivial adjacent branches. The concentration in B32B reflects the industry’s focus on multilayer mono-material film structures.
↗ 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.
VERFAHREN ZUR HERSTELLUNG EINES RECYCLEFÄHIGEN MON…
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines Monomaterial-Mehrschichtsystems, insbesondere eines recyclefähigen Monomaterial-Mehrschichtsystems, das durch dieses Verfahren erhaltene oder erhältliche Monomaterial-Mehrschichtsystem sowie die Verwendung des Monomaterial-Mehrschichtsystems. Darüber hinaus betrifft die Erfindung die… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Thermally laminated polyethylene-based "monomateri… | 8 |
| 2 | Bag comprising a bi-directionally oriented polyeth… | 6 |
| 3 | Laminated monomaterial polyethylene film | 2 |
| 4 | Package comprising a bi-directionally oriented pol… | 2 |
| 5 | Seam tapes and methods of making the same | 1 |
| 6 | 100% polyester mono-material providing suede-like … | 1 |
| 7 | Multilayer Mono-Material Polyethylene (PE) Assembl… | 1 |
| 8 | Multilayer mono-material polyethylene assembly and… | 1 |
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 competitive structure means for R&D investment decisions
Europe-first jurisdiction profile creates a specific set of implications for R&D prioritisation and freedom-to-operate.
Post-peak: the field is consolidating after a 2021 surge
The lifecycle stage is classified as Decline, with annual filings easing back from the 2021 peak. The multi-year window still shows meaningful cumulative activity, but the directional signal is consolidation rather than expansion. New entrants filing in 2023–2025 suggest residual innovation pressure, but the overall pace has clearly moderated. R&D investment should focus on differentiation or adjacent branches rather than competing head-on in the established B32B laminate space.
Post-peak / ConsolidatingTop-five dominance creates a high barrier to the leading tier
The top five filers hold 80% of combined activity among the hundred largest filers, and SABIC alone accounts for 12 patent families. The tier gap between the top pair and the mid-tier is material. A challenger seeking top-tier presence would need either a substantial sustained filing programme or entry through an under-served adjacent branch where the incumbents have minimal coverage.
High concentrationUnilever entities are the only active co-filers on record
The collaboration evidence shows two Unilever entities — Unilever IP Holdings and Unilever Global IP — co-filing with each other and with Conopco Inc, with two co-filed families in each pairing. No cross-company collaboration between unaffiliated players is present in the evidence. The ecosystem is largely siloed, which may represent both a risk (limited knowledge transfer) and an opportunity for a well-networked entrant to build partnerships that incumbents have not formed.
Intra-group onlyEurope-first jurisdiction profile with US and PCT as secondary routes
Europe (EPO) is the lead filing jurisdiction, followed by the United States and WIPO (PCT) in equal second position. India appears as a notable secondary market. Germany, Spain, Japan, Mexico, and Poland each show single-record presence. This pattern suggests that European regulatory pressure on recyclable packaging is the primary commercial driver, and that applicants are pursuing transatlantic protection as a standard second step. Asia beyond Japan and India is largely uncovered in the current corpus.
Europe-ledGo 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 Holdings | Unilever Global IP Ltd | 2 |
| Unilever IP Holdings | CONOPCO INC | 2 |
| Unilever Global IP Ltd | CONOPCO INC | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
SABIC leads on laminates; Mondi and Lear are new entrants gaining ground
Two players dominate by volume, but applicant momentum data reveal that the incumbent leader is retreating while two mid-tier players entered the space for the first time in the recent window.
SABIC Global Technologies BV
SABIC holds 12 patent families, the largest portfolio in scope, concentrated entirely in B32B layered products and laminates (B32B 27, B32B 1, B32B 7). Despite this leading position, applicant momentum shows a sharp decline of 91% in the recent period relative to the prior window, indicating that SABIC’s filing programme in this domain has contracted significantly. The breadth of its existing portfolio still provides substantial freedom-to-operate coverage, but its innovation rate here has slowed.
families: 12Mondi AG
Mondi AG holds 6 patent families and is classified as a new entrant — it had no material prior-period presence in this corpus. Its technology focus spans C08J polymer processing and B32B laminates, reflecting a packaging-company angle on mono-material film development. With 4 recent-period families, Mondi is the most active filer in the current window among tracked momentum players, positioning it as the most credible challenger to SABIC’s laminate dominance.
families: 6| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| SABIC Global Technologies BV | 1 | ▼ -91% |
| Mondi AG | 4 | ▲ new entrant |
| Lear Corporation | 4 | ▲ new entrant |
Apparel, woven fabrics, and adhesive systems are under-served adjacent branches
Several IPC classes adjacent to the dominant B32B laminate core show sparse coverage relative to the overall corpus, representing areas where the incumbent intellectual-property position is thin and technical feasibility is established in related domains.
A41D · Mono-material outerwear and garments
Only 3 patent families cover mono-material design in the outerwear and garments class, representing a 4% share of the corpus. Lear Corporation’s recent-window entries in A41D 31 show that automotive-adjacent players are beginning to explore textile mono-material design for seating and interior components. The recyclability challenge for technical textiles is distinct from film structures, and the IP space is largely open. An entrant with expertise in polyester or polyamide fibre engineering could establish a position with limited incumbent friction.
Search this in Eureka →C09J · Adhesives for mono-material bonding without contamination
Adhesive systems (C09J) appear in only 2 patent families, a 2% share, despite being a critical enabling technology: many mono-material structures fail recyclability certification because adhesive layers introduce contaminants. The Unilever entity group’s C08L polymer composition work touches related formulation chemistry, but dedicated mono-material-compatible adhesive design is sparse. This is a technically meaningful gap — solving the adhesive contamination problem would have broad applicability across packaging, apparel, and automotive mono-material applications already active in the corpus.
Search this in Eureka →Frequently asked questions
The corpus in scope contains 44 patent families. This is a relatively small and specialised niche compared with broader packaging or polymer technology fields.
SABIC Global Technologies BV leads with 12 patent families, all concentrated in B32B layered products and laminates. DI Mauro Officine Grafiche is the second-ranked filer with 9 patent families.
Annual filings peaked at 19 families in 2021 and have eased back since then. The lifecycle stage is classified as Decline. However, the most recent one to two years are subject to publication lag, so current-year totals should be treated as lower-bound estimates.
Europe (EPO) is the lead filing jurisdiction, reflecting the influence of European packaging and recyclability regulations. The United States and WIPO (PCT) are roughly equal secondary routes.
B32B (layered products and laminates) accounts for the overwhelming majority of the technical coverage, consistent with the industry’s focus on multilayer mono-material film structures. C08J (polymer processing) and B65D (containers and packaging) are secondary classes.
Yes. A41D (outerwear and garments) and C09J (adhesives) each have sparse coverage — 3 and 2 patent families respectively — despite being technically relevant to mono-material recyclability. Adhesive contamination in particular is a known barrier to recyclability certification, making C09J a plausible area for differentiated R&D.
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