C08G 18/3821
Carboxylic acids
Official title: {Carboxylic acids; Esters thereof with monohydroxyl compounds}
C08G18/3821 (Carboxylic acids) appears on 302 US grants and 334 published applications in this corpus.
Search patents in C08G- Granted patents
- 302
- Published applications
- 334
- Assignees
- 143
- Inventors
- 791
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 11 | 11 |
| 2003 | 12 | 15 |
| 2004 | 12 | 15 |
| 2005 | 4 | 11 |
| 2006 | 6 | 19 |
| 2007 | 8 | 10 |
| 2008 | 4 | 7 |
| 2009 | 9 | 9 |
| 2010 | 5 | 9 |
| 2011 | 11 | 12 |
| 2012 | 10 | 5 |
| 2013 | 5 | 8 |
| 2014 | 4 | 14 |
| 2015 | 4 | 12 |
| 2016 | 7 | 13 |
| 2017 | 11 | 15 |
| 2018 | 4 | 11 |
| 2019 | 12 | 15 |
| 2020 | 13 | 17 |
| 2021 | 11 | 27 |
| 2022 | 11 | 20 |
| 2023 | 15 | 16 |
| 2024 | 14 | 17 |
| 2025 | 11 | 16 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cover coating with good adhesion on polyurethane and polyurea membranes6 Oct 2026US 12,753,267 B2Sika Technology AG
- Conductive polyaspartic ester based compositions8 Sep 2026US 12,729,263 B2Parker-Hannifin Corporation
- Modified aspartate resin and aqueous dispersion26 May 2026US 12,637,533 B1Shenzhen Feiyang Protech Corp., Ltd
- Chemically modified shape memory polymer embolic foams with increased X-ray visualization19 May 2026US 12,630,664 B2The Texas A&M University System
- Curable film-forming compositions and coated structures with improved corrosion resistance and durability12 May 2026US 12,624,246 B2PPG Industries Ohio, Inc.
- Process for wet on wet application of a multilayer coating3 Sep 2026US 2026/0258278 A1Axalta Coating Systems IP Co., LLC
- Anti-glare protective film and optical article including the same13 Aug 2026US 2026/0234436 A1Electronics and Telecommunications Research Institute
- Composite wall panels having a polymer finish layer and method of manufacture28 May 2026US 2026/0146447 A1Hydroblok, Inc.
- Curable compositions, articles and coated articles formed therefrom2 Apr 2026US 2026/0092161 A1PPG Industries Ohio, Inc.
- Method for preparing an aminosuccinic resin with a low amine value19 Mar 2026US 2026/0078213 A1Arkema France
Most cited
By later US patents
- Process for the production of polyurethane coatings194US 5,126,170 ABayer Aktiengesellschaft · 1992
- Process for the production of polyurethane coatings134US 5,236,741 ABayer Aktiengesellschaft · 1993
- Polyurea coating compositions having improved pot lives109US 5,243,012 AMiles Inc. · 1993
- Phase change solid imaging material91US 6,395,811 B13D Systems, Inc. · 2002
- Phase change solid imaging material83US 6,133,353 A3D Systems, Inc. · 2000