C08G 18/3823
Containing -n-c=o groups
Official title: {containing -N-C=O groups}
C08G18/3823 (Containing -n-c=o groups) appears on 405 US grants and 227 published applications in this corpus.
Search patents in C08G- Granted patents
- 405
- Published applications
- 227
- Assignees
- 193
- Inventors
- 840
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 9 | 0 |
| 1980 | 8 | 0 |
| 1981 | 12 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 14 | 0 |
| 1987 | 16 | 0 |
| 1988 | 15 | 0 |
| 1989 | 15 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 17 | 0 |
| 1993 | 5 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 3 |
| 2002 | 17 | 18 |
| 2003 | 15 | 19 |
| 2004 | 8 | 18 |
| 2005 | 9 | 11 |
| 2006 | 5 | 11 |
| 2007 | 4 | 6 |
| 2008 | 4 | 10 |
| 2009 | 4 | 6 |
| 2010 | 11 | 5 |
| 2011 | 2 | 5 |
| 2012 | 3 | 5 |
| 2013 | 2 | 6 |
| 2014 | 7 | 10 |
| 2015 | 7 | 5 |
| 2016 | 10 | 10 |
| 2017 | 5 | 12 |
| 2018 | 6 | 5 |
| 2019 | 6 | 9 |
| 2020 | 6 | 13 |
| 2021 | 5 | 13 |
| 2022 | 11 | 8 |
| 2023 | 9 | 7 |
| 2024 | 9 | 6 |
| 2025 | 1 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Urethane acrylic hybrid polymer dispersion with robust dry/wet adhesion and basecoats prepared therefrom28 Jul 2026US 12,692,338 B2Swimc LLC
- Preparation of polyurethane systems7 Apr 2026US 12,595,332 B2Evonik Operations GmbH
- Aqueous coating composition for corrosion protection17 Feb 2026US 12,552,959 B2Allnex Austria GmbH
- Electrodepositable coating composition11 Feb 2025US 12,221,554 B2PRC-DeSoto International, Inc.
- Drug eluting shape memory foam3 Sep 2024US 12,076,464 B2The Texas A&M University System
- Aqueous polyurethane-polyurea dispersion16 Jul 2026US 2026/0201106 A1Covestro Deutschland AG
- Bionic environment-adaptive self-repairing coating as well as preparation method and use thereof29 Jan 2026US 2026/0028506 A1Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
- Two-component mixed polyurea resin composition production raw material and polyurea resin composition20 Nov 2025US 2025/0354029 A1Unitika Ltd.
- Hydrolysis-resistant hydrogels and methods of treatment using same25 Sep 2025US 2025/0295838 A1Boston Scientific Scimed, Inc.
- Polyurethane composition, product therefrom and method for preparing the same31 Jul 2025US 2025/0243316 A1
Most cited
By later US patents
- Process for preparing amide acetals1,464US 7,439,354 B2E. I. Du Pont de Nemours and Company · 2008
- Copoly(ester-amides) and copoly(ester-urethanes)172US 6,172,167 B2Universiteit Twente · 2001
- Composite color-plus-clear coating utilizing carbamate-functional polymer composition in the clearcoat148US 5,356,669 ABASF SE · 1994
- Method of producing flexible reticulated polyether polyurethane foams71US 4,259,452 ABridgestone Tire Company Limited · 1981
- Urea extended polyisocyanates69US 5,128,407 AMiles Inc. · 1992