Waterborne Acrylic Resin Patents: Leaders, Trends & White Space 2026
- Filing peaked in 2017 and has not returned. activity across the tracked families crested at three filings that year and sat flat or lower through the midpoint of the window, with the latest year showing no filings yet recorded.
- China dominates the receiving-office mix. 25 of the tracked filings entered via China, against single-digit counts for Europe, the US, Australia and Canada combined — a strong signal of where enforcement and freedom-to-operate risk actually concentrates.
- The two most-cited records are both Chinese-origin chemistry. a waterborne acrylic metallic flake lacquer and a graphene-oxide-modified polyurea acrylate emulsion draw more citations than any Western filing in the set, including the widely cited automotive basecoat dispersion from EPO.
Top-5 share is the combined record count of the five largest assignees divided by all 39 records in scope (CR5), not by the ranked leaders only.
What this patent set covers
This landscape tracks 39 patent families filed or published between 2015 and mid-2026 that combine waterborne acrylic resin chemistry with emulsion polymerization, film formation, VOC reduction, self-crosslinking or core-shell structuring, classified under coatings (C09D), addition polymers (C08F) and related IPC subclasses. The dataset spans automotive basecoats, pressure-sensitive adhesive films, leather finishing dispersions and graphene-modified emulsions, reflecting a chemistry base that serves several downstream industries rather than one.
Coverage runs through a data cut-off of 2026-07-31; because publication typically lags filing by around 18 months, the most recent one to two years in any trend line will read lower than the eventual final count once those applications publish.
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Filing trend and technology composition
Two views of the same 39-family dataset: how filing activity has moved year over year, and how those filings distribute across IPC subclasses.
A flat-to-declining filing curve
Filings rose to a peak of three in 2017, matched again at the 2022 midpoint, and show no recorded filings in the final tracked year — consistent with either a genuine slowdown or simply undercounted recent applications still working through publication.
Coatings and addition-polymer chemistry dominate
C09D (coatings, paints and inks) and C08F (addition polymers) each appear in over two-thirds of the tracked families, with layered products (B32B), coating processes (B05D) and adhesives (C09J) forming a thinner secondary layer — condensation polymers, polymer processing and organometallic chemistry barely register.
Shares are the percentage of the 39 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Waterborne Acrylic Resin Coating Systems with Eureka
This page is one run against one query. Ask Eureka your own question about waterborne acrylic resin coating systems and every answer comes back with the patent numbers behind it.
Try EurekaThe prior art carrying the most citation weight
Pressure-Sensitive Adhesive Tape and Method for Production Thereof (US20080286570A1)
The invention relates to a pressure-sensitive adhesive film obtained by coating a polyolefin-based support layer with an aqueous acrylic dispersion-based adhesive layer. It also relates to the coating process for obtaining this film. This film is suitable for protecting motor vehicle bodies.Filed by Novacel, published 2008-11-20 — one of the most-cited records in the set and a recurring reference point for later aqueous acrylic adhesive-film filings.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | CN102351982A | 一种水性丙烯酸树脂及应用该丙烯酸树脂的金属闪光漆 | 26 |
| 2 | CN105567050A | 一种氧化石墨烯改性聚脲丙烯酸酯乳液的制备方法 | 23 |
| 3 | US20080286570A1 | Pressure-Sensitive Adhesive Tape and Method for Production Thereof | 12 |
| 4 | EP0269059A2 | Aqueous polymer dispersion for use in automotive basecoat under solvent clear coat | 11 |
| 5 | CN107814868A | 一种Pickering乳液聚合法制备的新型水性丙烯酸树脂/聚氨酯复合皮革涂饰剂 | 8 |
| 6 | CN104059461A | 高固含量水性透明漆 | 8 |
| 7 | CN110229603A | 一种单组份超哑光水性木器黑色面漆及其制备方法 | 7 |
| 8 | CN107936181A | 一种水性树脂及其制备方法和水性涂料 | 7 |
| 9 | CN105085771A | 一种水性丙烯酸树脂及其制备方法 | 6 |
| 10 | CN109504216A | 一种石墨烯改性水性丙烯酸涂料及其制备方法 | 5 |
Citation counts are measured within this searched corpus and skew toward older filings; treat them as a marker of influence on subsequent filers, not of current commercial relevance.
Patent titles are shown in the language they were filed in, not translated, so that each record stays verifiable against the original filing — a translated title will not match in Eureka or in any national register. Each row carries its publication number; clicking a row searches Eureka by that number.
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Four read-outs from the filing trend, the citation table and the receiving-office mix, translated into what they mean for a filing or freedom-to-operate decision.
Activity has not grown past its 2017 level
The filing curve peaked early in the window at three families and has not exceeded that since; the 2022 midpoint matched the peak rather than surpassing it. Read the final year or two with caution given publication lag, but the flat middle years are a real signal that this is not a fast-growing filing area.
China is the primary receiving office by a wide margin
Europe, the US, Australia, Canada and Austria together account for a small fraction of the filings, most in single digits. For freedom-to-operate work, the Chinese filing corpus is where the density of prior art and active rights actually sits.
The most influential prior art is Chinese-origin, not Western
A waterborne acrylic metallic flake lacquer patent and a graphene-oxide-modified polyurea acrylate emulsion patent draw more citations than the EPO automotive basecoat filing or the US pressure-sensitive adhesive tape record, despite the latter two being older and internationally filed.
Claim activity clusters in coatings formulation and base polymer chemistry
Layered products, coating processes and adhesives form a visible but much thinner secondary band, and condensation polymers, polymer processing and organometallic chemistry each appear in only one to three records — these are the least contested corners of the classification.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to waterborne acrylic resin coating systems, with the prior art for and against each one.
Who is filing, and where the field has gone quiet
The assignee ranking is a long tail rather than a concentrated field: no single filer shows momentum in the most recent tracked year, and several of the more active historical filers — spanning automotive coatings, materials suppliers and individual inventors — recorded zero filings in that year.
No assignee is currently accelerating
Every assignee tracked for recent-year momentum, from automotive coatings specialists to materials groups, shows zero filings in the latest year. That is consistent with the broader flat-to-declining trend rather than any single company pulling back.
Co-filing is limited and mostly bilateral
Five co-assignee pairs appear in the dataset, each linked by two shared families — patent attorney firms paired with corporate applicants, and materials suppliers paired with coatings formulators. There is no visible hub-and-spoke network of repeated joint filing.
The active filer base is concentrated in China
With Chinese receiving-office filings outnumbering the rest of the world combined, most of the named assignees — automotive coatings makers, new-materials companies and individual inventors — are domestic Chinese entities rather than multinational coatings majors.
| Assignee | Recent year | YoY |
|---|---|---|
| Novacel | 0 | — |
| E.I. du Pont de Nemours and Company (USA) | 0 | — |
| Qingdao Dexin Automotive Coatings Co., Ltd. | 0 | — |
| Suzhou Naisite Plastics Co., Ltd. | 0 | — |
| Jiangsu Chengying New Materials Co., Ltd. | 0 | — |
| Wu Defa | 0 | — |
| Shanghai Weikai Optoelectronic New Materials Co., Ltd. | 0 | — |
| Shanghai Chengying New Materials Co., Ltd. | 0 | — |
Where to take this analysis
The trend and assignee data point to specific next steps depending on whether you are scoping freedom-to-operate, evaluating a filing strategy, or tracking competitors.
Check freedom-to-operate against the Chinese filing base
With 25 of the tracked families entering via China, any commercial plan touching this chemistry should prioritise a Chinese prior-art and active-rights search before assuming the Western filings are the relevant boundary.
Run a freedom-to-operate searchProbe the under-claimed branches before drafting
Self-crosslinking core-shell latex, graphene-oxide-modified emulsions and Pickering-emulsion composites show thin coverage relative to the core coatings classes — worth a targeted search before committing claim language there.
Explore white space with EurekaWatch for the recent-year filings still publishing
Because publication lags filing by roughly 18 months, the apparent 2026 drop-off is partly an artefact of the data cut-off rather than a confirmed slowdown; revisit the trend once later filings clear publication.
Set up a monitoring alertCommon questions about waterborne acrylic resin coating patents
The dataset shows a long tail rather than a single dominant holder: the named assignees include automotive coatings specialists, new-materials companies and individual inventors, several of which appear multiple times in the ranking but none of which shows filing momentum in the most recent tracked year. Rather than one clear leader, ownership is spread across a mix of Chinese domestic filers and a smaller number of internationally filed records such as the EPO automotive basecoat dispersion and the US pressure-sensitive adhesive tape filing. Anyone doing competitive tracking should watch the ranking as a group of comparably sized filers rather than expecting one company to dominate.
Based on the tracked filings, activity peaked in 2017 at three filings, matched that level again at the 2022 midpoint, and has not exceeded it since, with the latest tracked year showing no recorded filings. That pattern reads as flat to declining rather than growing. It is worth treating the final one to two years cautiously, though, since publication typically lags filing by around 18 months and recent applications may simply not have published yet.
China is by far the largest receiving office in this dataset, with 25 of roughly 39 tracked families entering there, compared to single-digit counts for Europe, the US, Australia, Canada and Austria. That concentration suggests China is where both filing activity and enforcement risk are heaviest for this chemistry. A filing strategy limited to Europe or the US alone would miss the bulk of the documented prior art and active competitors in this space.
Relative to the dense coverage in core coatings formulation (C09D) and addition-polymer chemistry (C08F), branches such as graphene-oxide-modified acrylate emulsions, Pickering-emulsion acrylic-polyurethane composites, self-crosslinking core-shell latex for leather finishing, and condensation-polymer hybrid acrylic systems appear only thinly in this dataset. These are worth a targeted novelty search before drafting, since thin coverage in a landscape search is a starting signal, not a guarantee of open claim space.
US20080286570A1 covers a pressure-sensitive adhesive film made by coating a polyolefin-based support layer with an aqueous acrylic dispersion adhesive layer, specifically for protecting motor vehicle bodies, and it is one of the most-cited records in this dataset. It does not block waterborne acrylic chemistry generally; its exposure is narrower, centred on that specific film construction and its automotive protective-film application. Anyone working on aqueous acrylic adhesive films for a different substrate or end use should still review its claims closely, since it has clearly influenced a number of later filings in this space.
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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.