C08K 3/00
Use of inorganic substances as compounding ingredients
C08K3/00 (Use of inorganic substances as compounding ingredients) appears on 29,209 US grants and 37,708 published applications in this corpus.
Search patents in C08K- Granted patents
- 29,209
- Published applications
- 37,708
- Assignees
- 9,211
- Inventors
- 70,449
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 320 | 0 |
| 1977 | 274 | 0 |
| 1978 | 333 | 0 |
| 1979 | 206 | 0 |
| 1980 | 193 | 0 |
| 1981 | 255 | 0 |
| 1982 | 192 | 0 |
| 1983 | 202 | 0 |
| 1984 | 227 | 0 |
| 1985 | 231 | 0 |
| 1986 | 204 | 0 |
| 1987 | 208 | 0 |
| 1988 | 217 | 0 |
| 1989 | 257 | 0 |
| 1990 | 240 | 0 |
| 1991 | 290 | 0 |
| 1992 | 306 | 0 |
| 1993 | 345 | 0 |
| 1994 | 285 | 0 |
| 1995 | 252 | 0 |
| 1996 | 254 | 0 |
| 1997 | 219 | 0 |
| 1998 | 291 | 0 |
| 1999 | 363 | 0 |
| 2000 | 331 | 0 |
| 2001 | 342 | 112 |
| 2002 | 371 | 419 |
| 2003 | 356 | 562 |
| 2004 | 353 | 624 |
| 2005 | 250 | 712 |
| 2006 | 301 | 769 |
| 2007 | 301 | 778 |
| 2008 | 251 | 795 |
| 2009 | 322 | 959 |
| 2010 | 503 | 1205 |
| 2011 | 508 | 1149 |
| 2012 | 620 | 1155 |
| 2013 | 665 | 1320 |
| 2014 | 903 | 1602 |
| 2015 | 1054 | 1877 |
| 2016 | 1176 | 1865 |
| 2017 | 1291 | 2097 |
| 2018 | 1377 | 2331 |
| 2019 | 1584 | 2335 |
| 2020 | 1699 | 2624 |
| 2021 | 1576 | 2524 |
| 2022 | 1462 | 2389 |
| 2023 | 1589 | 2268 |
| 2024 | 1563 | 2134 |
| 2025 | 1380 | 1771 |
| 2026 | 917 | 1332 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08K 3/18Oxygen-containing compounds10,334
- C08K 3/34Silicon-containing compounds9,331
- C08K 3/02Elements8,720
- C08K 3/01Characterized by their specific function4,846
- C08K 3/32Phosphorus-containing compounds1,447
- C08K 3/30Sulfur-, selenium- or tellurium-containing compounds1,286
- C08K 3/38Boron-containing compounds1,262
- C08K 3/10Metal compounds1,052
All 11 subgroupsShow fewer
Recent patents
- Low viscosity nonaqueous metal oxide particle dispersions6 Oct 2026US 12,751,911 B2Inolex Investment Corporation
- Boron nitride powder, method of manufacturing boron nitride powder, resin material, and method of manufacturing resin material6 Oct 2026US 12,753,076 B2Jfe Steel Corporation
- Resin composition, prepreg using same, film provided with resin, metal foil provided with resin, metal-clad laminate, and wiring board6 Oct 2026US 12,753,254 B2Panasonic Intellectual Property Management Co., Ltd.
- Rubber composition comprising a polyphenylene ether resin6 Oct 2026US 12,753,260 B2Compagnie Generale Des Etablissements Michelin
- Curable composition and abrasive articles made using the same6 Oct 2026US 12,753,266 B23M Innovative Properties Company
- Superhydrophobic antifouling compositions and applications thereof8 Oct 2026US 2026/0306711 A1University of Georgia Research Foundation, Inc.
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- Heavy-duty tire8 Oct 2026US 2026/0307433 A1Sumitomo Rubber Industries, Ltd.
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element8 Oct 2026US 2026/0307434 A1Compagnie Generale Des Etablissements Michelin
- Production method for boron nitride particles, production method for resin composition, and uses therefor8 Oct 2026US 2026/0307992 A1Resonac Corporation
Most cited
By later US patents
- Pelletization of metal soap powders514US 5,997,768 ACiba Specialty Chemicals Corporation · 1999
- Low resistivity PTC compositions511US 4,237,441 ARaychem Corporation · 1980
- Electro-optic display and materials for use therein447US 7,535,624 B2E Ink Corporation · 2009
- Surgical implant and method for its production442US 3,987,499 ASybron Corporation · 1976
- Conductive polymer composition385US 5,106,538 ARaychem Corporation · 1992