C08K 3/24
Acids
Official title: Acids; Salts thereof {(C08K3/16 takes precedence)}
C08K3/24 (Acids) appears on 2,755 US grants and 3,540 published applications in this corpus.
Search patents in C08K- Granted patents
- 2,755
- Published applications
- 3,540
- Assignees
- 1,698
- Inventors
- 8,677
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 49 | 0 |
| 1977 | 37 | 0 |
| 1978 | 47 | 0 |
| 1979 | 24 | 0 |
| 1980 | 13 | 0 |
| 1981 | 31 | 0 |
| 1982 | 9 | 0 |
| 1983 | 18 | 0 |
| 1984 | 20 | 0 |
| 1985 | 20 | 0 |
| 1986 | 17 | 0 |
| 1987 | 19 | 0 |
| 1988 | 23 | 0 |
| 1989 | 35 | 0 |
| 1990 | 34 | 0 |
| 1991 | 41 | 0 |
| 1992 | 33 | 0 |
| 1993 | 37 | 0 |
| 1994 | 29 | 0 |
| 1995 | 23 | 0 |
| 1996 | 19 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 32 | 0 |
| 2000 | 31 | 0 |
| 2001 | 34 | 13 |
| 2002 | 32 | 39 |
| 2003 | 33 | 54 |
| 2004 | 30 | 52 |
| 2005 | 17 | 62 |
| 2006 | 18 | 59 |
| 2007 | 19 | 64 |
| 2008 | 26 | 58 |
| 2009 | 32 | 78 |
| 2010 | 45 | 91 |
| 2011 | 34 | 79 |
| 2012 | 39 | 94 |
| 2013 | 59 | 118 |
| 2014 | 74 | 152 |
| 2015 | 98 | 187 |
| 2016 | 103 | 181 |
| 2017 | 129 | 232 |
| 2018 | 130 | 204 |
| 2019 | 143 | 227 |
| 2020 | 159 | 266 |
| 2021 | 178 | 249 |
| 2022 | 147 | 255 |
| 2023 | 136 | 202 |
| 2024 | 174 | 214 |
| 2025 | 122 | 167 |
| 2026 | 73 | 143 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biodegradable compositions and articles made from cellulose acetate29 Sep 2026US 12,747,333 B2Eastman Chemical Company
- Ultrafine surface-treated fillers for thin breathable films22 Sep 2026US 12,742,058 B2Omya International AG
- Polymer compositions and coatings22 Sep 2026US 12,742,090 B2The Penn State Research Foundation
- Printing sheet and method for producing printing sheet15 Sep 2026US 12,735,601 B2Tbm Co., Ltd.
- Diaphragm for miniature sound-generating device, and miniature sound-generating device25 Aug 2026US 12,720,262 B2Goertek Inc.
- Foamable Polyurethane Composition Comprising a Fatty Amide8 Oct 2026US 2026/0308307 A1Henkel AG & Co. KGaA
- Curable polysiloxane composition with high thermal insulation performance at high temperature8 Oct 2026US 2026/0308328 A1Dow Global Technologies LLC
- Composition for Use in the Sulphur Based Vulcanization of Rubber8 Oct 2026US 2026/0308354 A1Rubber Nano Products (Proprietary) Limited
- 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
- Water soluble rapid prototyping support and mold material219US 6,228,923 B1Stratasys, Inc. · 2001
- Bioerodable implant composition206US 4,843,112 AThe Beth Israel Hospital Association · 1989
- Polymer/hydrogen peroxide complexes120US 5,945,032 ABASF SE · 1999
- Compositions containing basic metal salts and/or non-Newtonian colloidal disperse systems and vinyl aromatic containing polymers113US 4,728,578 AThe Lubrizol Corporation · 1988