C08G 71/02
Polyureas
C08G71/02 (Polyureas) appears on 138 US grants and 103 published applications in this corpus.
Search patents in C08G- Granted patents
- 138
- Published applications
- 103
- Assignees
- 109
- Inventors
- 353
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 4 |
| 2006 | 2 | 3 |
| 2007 | 2 | 3 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 1 | 4 |
| 2014 | 2 | 6 |
| 2015 | 4 | 4 |
| 2016 | 9 | 9 |
| 2017 | 2 | 6 |
| 2018 | 10 | 6 |
| 2019 | 5 | 8 |
| 2020 | 4 | 10 |
| 2021 | 8 | 5 |
| 2022 | 1 | 5 |
| 2023 | 6 | 3 |
| 2024 | 4 | 3 |
| 2025 | 0 | 1 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Green synthesis of amino acid based poly(ester urea)s29 Sep 2026US 12,747,322 B2Massachusetts Institute of Technology
- Synthesis of novel poly(ester urea)s for drug delivery28 Jul 2026US 12,692,348 B2Massachusetts Institute of Technology
- Crosslinkable flame-retardant coating composition13 Jan 2026US 12,522,737 B2Swimc LLC
- Polymer solid electrolytes, methods of making, and electrochemical cells comprising the same17 Sep 2024US 12,095,034 B2Factorial Inc.
- Anti-mycobacterial drugs7 May 2024US 11,974,972 B1The Florida International University Board of Trustees
- Lipooligoureas, pharmaceutical composition, and lipooligoureas for use as medicament27 Aug 2026US 2026/0248748 A1Uniwersytet Warszawski
- Self-healing polymer material13 Aug 2026US 2026/0234330 A1Shin-Etsu Chemical Co., Ltd.
- Display Module And Electronic Device Including The Same9 Jul 2026US 2026/0198210 A1Samsung Display Co., Ltd.
- Encapsulation of organic peroxides with polyurea shells18 Jun 2026US 2026/0166510 A1Arkema Inc.
- Coating systems for improving adhesion between coating layers and methods for improving adhesion between adjacent coating layers26 Feb 2026US 2026/0055297 A1Swimc LLC
Most cited
By later US patents
- Wet strength resins90US 4,537,657 AHercules Incorporated · 1985
- Wet strength resin from aminopolyamide-polyureylene63US 4,501,862 AHercules Incorporated · 1985
- Polymeric light stabilizers for plastics55US 4,233,412 ACiba-Geigy Corporation · 1980
- Water-insoluble, crosslinked, sulfonated aromatic polyamide37US 4,824,916 AThe Dow Chemical Company · 1989
- Polyether urea epoxy curing agent29US 4,002,598 ATexaco Development Corporation · 1977