C08K 5/09
Carboxylic acids
Official title: Carboxylic acids; Metal salts thereof; Anhydrides thereof
C08K5/09 (Carboxylic acids) appears on 4,819 US grants and 5,224 published applications in this corpus.
Search patents in C08K- Granted patents
- 4,819
- Published applications
- 5,224
- Assignees
- 2,069
- Inventors
- 12,739
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 111 | 0 |
| 1977 | 78 | 0 |
| 1978 | 94 | 0 |
| 1979 | 54 | 0 |
| 1980 | 50 | 0 |
| 1981 | 62 | 0 |
| 1982 | 45 | 0 |
| 1983 | 46 | 0 |
| 1984 | 48 | 0 |
| 1985 | 46 | 0 |
| 1986 | 44 | 0 |
| 1987 | 51 | 0 |
| 1988 | 47 | 0 |
| 1989 | 63 | 0 |
| 1990 | 62 | 0 |
| 1991 | 83 | 0 |
| 1992 | 68 | 0 |
| 1993 | 75 | 0 |
| 1994 | 79 | 0 |
| 1995 | 66 | 0 |
| 1996 | 61 | 0 |
| 1997 | 55 | 0 |
| 1998 | 48 | 0 |
| 1999 | 62 | 0 |
| 2000 | 52 | 0 |
| 2001 | 64 | 20 |
| 2002 | 68 | 70 |
| 2003 | 73 | 105 |
| 2004 | 58 | 101 |
| 2005 | 47 | 112 |
| 2006 | 51 | 119 |
| 2007 | 50 | 110 |
| 2008 | 40 | 136 |
| 2009 | 53 | 135 |
| 2010 | 76 | 186 |
| 2011 | 77 | 162 |
| 2012 | 93 | 171 |
| 2013 | 97 | 231 |
| 2014 | 142 | 182 |
| 2015 | 140 | 270 |
| 2016 | 187 | 279 |
| 2017 | 161 | 295 |
| 2018 | 202 | 302 |
| 2019 | 225 | 340 |
| 2020 | 236 | 366 |
| 2021 | 241 | 284 |
| 2022 | 202 | 294 |
| 2023 | 207 | 273 |
| 2024 | 194 | 268 |
| 2025 | 169 | 194 |
| 2026 | 116 | 219 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for the production of a polyurethane sandwich element6 Oct 2026US 12,753,284 B2Covestro Deutschland AG
- Method for manufacturing nitrile butadiene rubber29 Sep 2026US 12,747,316 B2Nantex Industry Co., Ltd.
- Polyesteramides, processes for the preparation thereof, and polyesteramide compositions15 Sep 2026US 12,735,568 B2Eastman Chemical Company
- Block sponge and production process thereof8 Sep 2026US 12,729,267 B1Guangdong Eonjoy Technology Limited
- Additive composition and use thereof, condensation polymer composition, molding compound and molding compounds produced therefrom, and molded parts and use thereof8 Sep 2026US 12,729,283 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element8 Oct 2026US 2026/0307434 A1Compagnie Generale Des Etablissements Michelin
- Manufacturing method of polyethylene furandicarboxylate8 Oct 2026US 2026/0308316 A1Nan Ya Plastics Corporation
- Method for preparing biodegradable resin composition using composite compatibilizer and biomass-based biodegradable resin composition prepared thereby8 Oct 2026US 2026/0308342 A1Daesang Corporation
- Additive composition and polymer composition containing the same8 Oct 2026US 2026/0308355 A1Milliken & Company
- Method for making a molded article8 Oct 2026US 2026/0308362 A1Milliken & Company
Most cited
By later US patents
- Pelletization of metal soap powders514US 5,997,768 ACiba Specialty Chemicals Corporation · 1999
- Three-piece solid golf ball354US 5,482,285 ASumitomo Rubber Industries, Ltd. · 1996
- Improved golf ball cover compositions containing high levels of fatty acid salts288US 5,306,760 ALisco, Inc. · 1994
- Impact improvement of high nitrile resins287US 4,450,254 AThe Standard Oil Company · 1984
- Golf ball with improved cover271US 5,314,187 AWilson Sporting Goods Co. · 1994