Aerogels Patent Landscape 2026
Aerogels Patent Landscape in 2026
The aerogel IP field is highly concentrated, with LG Chem holding a commanding lead over a small group of established incumbents, and China serving as the dominant filing jurisdiction. Annual filing volume has plateaued near its multi-year peak, signalling a maturing but still actively contested technology space.
LG Chem leads a concentrated field with a clear tier gap
LG Chem holds first place in the The top five filers collectively account for 42% of the combined output of the hundred largest filers, confirming a highly concentrated competitive structure.
The gap between the top tier—LG Chem, Aspen Aerogels, and Cabot Corporation—and the rest of the ranking is pronounced. Ranked fourth, Panasonic Intellectual Property Management holds 129 patent families, roughly a quarter of Cabot’s 441, marking a steep drop-off that separates a three-player front tier from a much larger mid-field.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | LG Chem Ltd. | 1,054 | |
| 2 | Aspen Aerogels Inc. | 567 | |
| 3 | Cabot Corporation | 441 | |
| 4 | Panasonic Intellectual Property Management Co., Ltd. | 129 | |
| 5 | Resonac Corporation | 127 | |
| 6 | WR GRACE & CO CONN | 126 | |
| 7 | Degussa AG | 104 | |
| 8 | Nanjing Tech University | 101 | |
| 9 | AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING … | 96 | |
| 10 | Evonik Operations GmbH | 83 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | General Electric Company | 79 | |
| 12 | Lawrence Livermore National Security LLC | 77 | |
| 13 | Taiwan Aerogel Technology Material Co., Ltd. | 73 | |
| 14 | Monsanto Company | 68 | |
| 15 | Dow Silicones Corporation | 61 | |
| 16 | Shin-Etsu Chemical Co., Ltd. | 61 | |
| 17 | Blueshift Materials Inc. | 61 | |
| 18 | Panasonic Electric Works Co., Ltd. | 60 | |
| 19 | Harbin Institute of Technology | 57 | |
| 20 | J.M. Huber Corporation | 56 |
LG Chem’s position, rooted predominantly in silica aerogel synthesis (C01B 33) and gel-process chemistry (B01J 13), reflects a broad platform strategy rather than narrow application focus, making it a reference point for freedom-to-operate and prior-art searches across nearly all aerogel sub-domains.
Filings from approximately 2024–2026 are likely under-counted due to standard patent publication lag and should not be interpreted as a slowdown in activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing volume has plateaued; silica chemistry dominates the technology mix
Two lenses illuminate the field’s current state: a multi-year annual filing trend that reveals pace and timing, and an IPC branch breakdown that shows where innovation effort is concentrated versus where it remains sparse.
Annual filing trend
Annual filings peaked in 2017 at 762, dipped through 2018–2019, then stabilised in a 645–704 range from 2020 through 2024—consistent with the lifecycle assessment of a field that has plateaued near its peak. The 2025 figure of 587 and the 2026 figure of 60 reflect publication lag and should not be read as a decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C01B (non-metallic elements and inorganic compounds, predominantly silica chemistry) and B01J (chemical and physical processes, including gel formation) together account for the two largest branches by a wide margin, confirming silica sol-gel as the structural core of aerogel IP. Adjacent branches—C09K (miscellaneous materials applications), C04B (ceramics and refractories), C08J (polymer processing), and C08L/C08K (polymer compositions and additives)—each hold meaningful but substantially smaller positions, pointing to growing diversification into organic and hybrid aerogel systems.
↗ Hover for values · click a bar to ask EurekaFoundational and most-cited patents
The most-cited families that anchor this space. Hover a row and click to open it in Eureka.
Method of preparing carbon aerogel precursor, carb…
The present invention relates to a carbon aerogel precursor, a preparation method thereof and a carbon aerogel prepared thereby and, more particularly, to a carbon aerogel precursor which can be converted into a carbon aerogel that exhibits excellent specific surface area and physical properties by using a binder that has a low carbonization ratio and is… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Aerogel metallic compositions | 1,530 |
| 2 | Charged lipids and uses for the same | 1,271 |
| 3 | Organically modified aerogels, processes for their… | 584 |
| 4 | Preparation of high porosity xerogels by chemical … | 371 |
| 5 | Aerogel composite with fibrous batting | 343 |
| 6 | Silica aerogel | 337 |
| 7 | Process for forming transparent aerogel insulating… | 335 |
| 8 | Ion exchanged aluminium-magnesium or fluorinated m… | 322 |
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.
What the competitive structure means for R&D prioritisation
Four dimensions—maturity, concentration, collaboration, and geography—shape the strategic context for any team considering entry, expansion, or defensive positioning in aerogels.
Maturing field with plateaued annual volume
The lifecycle assessment places aerogels at Maturity, with annual filings having plateaued near their peak rather than still climbing. The multi-year window shows a modest 8% recent growth figure, indicating the field has not collapsed but organic expansion has slowed. New entrants face a well-stocked prior-art landscape, particularly in silica sol-gel chemistry, requiring differentiation through novel precursors, processing routes, or application domains.
Maturity · PlateauThree-player front tier with a steep mid-field drop
LG Chem (1,054 patent families), Aspen Aerogels (567), and Cabot Corporation (441) form a distinct front tier. The fourth-ranked applicant holds 129 patent families, less than 30% of Cabot’s count. This sharp cliff means the top three hold substantial blocking power in core silica aerogel processing, making cross-licensing or design-around strategies essential for mid-tier entrants. The top five filers represent 42% of the hundred largest filers’ combined total.
High ConcentrationLG Chem–Inha University partnership leads co-filing activity
The most active co-filing pair is LG Chem (LG Hwahak Jusik Hoesa) and Inha University Research & Business Foundation, with 28 joint patent families—suggesting an active university-industry development pipeline feeding LG’s platform. Nanjing Tech University shows multiple industry partnerships: 12 families with Jiangsu Ruiying New Materials, 8 with Suqian Nanjing Tech New Materials Research Institute, and further ties with Nanjing Langke Environmental Technology. Cabot Corporation co-filed twice each with MIT, Geiger Gossen Hamilton Campbell Engineering, and Birdair.
University-Industry LinksChina dominates filings; US and Europe are secondary arenas
China is the lead filing office by a large margin, followed by the United States, Europe (EPO), WIPO PCT, South Korea, and Japan. The breadth of jurisdictions—including Australia, Canada, Germany, France, and India—indicates that leading applicants are pursuing broad international protection. For market-entry planning, China’s dominance signals both significant domestic competition and a rich source of prior art that may constrain freedom to operate without localised design-around work.
China-Led · Global ReachGo 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 |
|---|---|---|
| LG Chem Ltd. | 仁荷大学校产学协力团 | 28 |
| Nanjing Tech University | Jiangsu Ruiying New Materials Technology Development Co., Ltd. | 12 |
| Nanjing Tech University | Suqian Nanjing Tech University New Materials Research Institute | 8 |
| Nanjing Tech University | Nanjing Langke Environmental Technology Co., Ltd. | 3 |
| LG Chem Ltd. | Daegu Gyeongbuk Institute of Science and Technology (DGIST) | 2 |
| Cabot Corporation | Massachusetts Institute of Technology (MIT) | 2 |
| Cabot Corporation | Geiger Gossen Hamilton Campbell Engineering | 2 |
| Cabot Corporation | Birdair Inc. | 2 |
| Nanjing Tech University | Shen Xiaodong | 2 |
| Nanjing Tech University | Cui Sheng | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
LG Chem leads on volume; Aspen Aerogels emphasises process and composite routes
The two largest filers differ meaningfully in their technology emphasis: LG Chem concentrates on silica chemistry and pipe insulation applications, while Aspen Aerogels skews more heavily toward gel-process and polymer-composite routes.
LG Chem
LG Chem leads the aerogel ranking with 1,054 patent families. Its technology emphasis is anchored in C01B 33 (silica chemistry, 1,044 filings), B01J 13 (gel process chemistry, 208), and F16L 59 (pipe and fitting insulation, 109), indicating a platform spanning from fundamental synthesis to end-use thermal insulation. Recent-period filings show a trend of -66% versus the prior period, which from a large accumulated base may reflect portfolio consolidation rather than strategic retreat. LG Chem’s most active collaboration is with Inha University (28 joint families), pointing to continued upstream R&D investment.
patent families: 1,054Aspen Aerogels
Aspen Aerogels holds second place with 567 patent families. Its top IPC emphasis is B01J 13 (process chemistry, 390 filings), followed by C01B 33 (silica chemistry, 280) and C08J 9 (polymer processing and foam/composite structures, 164)—a profile more tilted toward process know-how and composite integration than LG Chem’s synthesis-heavy portfolio. Recent filings trend at -19% versus the prior period, a modest moderation from a strong accumulated base. Aspen’s composite-blanket and fiber-reinforced routes represent a distinct technical avenue compared to the field leader.
patent families: 567| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| LG Chem Ltd. | 97 | ▼ -66% |
| Aspen Aerogels Inc. | 94 | ▼ -19% |
| Cabot Corporation | 9 | ▲ new entrant |
| Panasonic Intellectual Property Management Co., Ltd. | 3 | ▼ -87% |
| Aerospace Institute of Advanced Materials & Processing Technology | 38 | ▬ -3% |
| Nanjing Tech University | 28 | ▬ -3% |
Under-served branches adjacent to the silica-chemistry core
The whitespace analysis identifies branches with meaningful activity that nonetheless remain at lower relative share within the corpus, pointing to areas where the competitive density may be lower than in the silica sol-gel core.
C04B · Ceramics, Cement & Refractories
C04B holds 1,163 patent records and a 4% share of the corpus—substantial in absolute terms but well below the dominant C01B and B01J branches. Ceramic aerogels (alumina, zirconia, carbide-based) offer superior thermal stability above the practical ceiling of silica aerogels, making them relevant for aerospace thermal protection, high-temperature industrial insulation, and next-generation furnace linings. The lower competitive density relative to silica routes, combined with the Aerospace Institute of Advanced Materials & Processing’s presence in the ranking (96 patent families), suggests that entrants with high-temperature ceramic expertise could find differentiated positions here.
Search this in Eureka →C08J · Polymer Processing & Solutions
C08J holds 1,132 patent records at a 4% share, covering polymer-matrix and organic aerogel foams including polyimide, cellulose, and polyurethane-based systems. These materials address flexibility, mechanical robustness, and processability limitations of brittle silica aerogels, opening pathways in flexible thermal insulation for apparel, wearables, and complex-geometry building components. Aspen Aerogels’ notable presence in C08J 9 (164 filings) signals commercial traction, but the broader sub-class remains sparsely occupied relative to its technical scope, particularly for bio-derived and recyclable polymer precursors.
Search this in Eureka →How leading applicants differ across technology routes
Strength of each leader across the main technology routes.
| Player | C01B 33 · Non-metallic elements & inorganic compounds | B01J 13 · Chemical/physical processes & catalysis | C09K 3 · Materials for misc. applications | C08J 9 · Polymer processing & solutions | B01J 20 · Chemical/physical processes & catalysis |
|---|---|---|---|---|---|
| LG Chem Ltd. | Strong · 1,044 | Emerging · 208 | Absent | Absent | Emerging · 29 |
| Aspen Aerogels Inc. | Strong · 280 | Strong · 390 | Absent | Moderate · 164 | Absent |
| Cabot Corporation | Strong · 230 | Strong · 199 | Emerging · 33 | Emerging · 26 | Emerging · 34 |
| Resonac Corporation | Strong · 105 | Absent | Absent | Strong · 53 | Absent |
| W.R. Grace & Co. | Strong · 82 | Absent | Strong · 48 | Absent | Absent |
| Degussa AG | Strong · 91 | Absent | Moderate · 26 | Absent | Absent |
Frequently asked questions
The corpus covers 5,916 patent families globally. This total is the basis for trend, lifecycle, and technology-composition analysis in this report.
LG Chem leads the ranking with 1,054 patent families, more than 85% ahead of second-ranked Aspen Aerogels at 567. The top five filers account for 42% of the combined total of the hundred largest filers.
China is the leading filing jurisdiction by a wide margin, followed by the United States, Europe (EPO), WIPO PCT, South Korea, and Japan. China’s dominance reflects both the scale of domestic manufacturing investment and the presence of active Chinese academic and industrial filers in the ranking.
The lifecycle assessment places aerogels at Maturity. Annual filings have plateaued near their peak, with the recent growth figure at 8% over the measured window. The 2017 peak of 762 annual filings has not been consistently exceeded, and volume has stabilised in the 645–704 range through the mid-2020s.
The most-cited work in the corpus is titled ‘Aerogel metallic compositions’ with 1,530 citations, followed by ‘Charged lipids and uses for the same’ at 1,271 citations and ‘Organically modified aerogels, processes for their preparation’ at 584 citations. These represent key foundational references for freedom-to-operate and prior-art assessments.
The branches with notable activity but lower relative share compared to the silica sol-gel core include C04B (ceramics, cement and refractories) and C08J (polymer processing and solutions), each at approximately 4% of corpus records. These cover high-temperature ceramic aerogels and flexible organic/polymer aerogels respectively—areas where competitive density is lower relative to technical scope.
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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.