C08G 71/04
Polyurethanes
C08G71/04 (Polyurethanes) appears on 328 US grants and 405 published applications in this corpus.
Search patents in C08G- Granted patents
- 328
- Published applications
- 405
- Assignees
- 268
- Inventors
- 1,162
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 4 |
| 2004 | 1 | 12 |
| 2005 | 5 | 5 |
| 2006 | 6 | 3 |
| 2007 | 4 | 9 |
| 2008 | 2 | 8 |
| 2009 | 2 | 3 |
| 2010 | 1 | 4 |
| 2011 | 4 | 7 |
| 2012 | 3 | 13 |
| 2013 | 9 | 9 |
| 2014 | 13 | 27 |
| 2015 | 11 | 27 |
| 2016 | 19 | 30 |
| 2017 | 15 | 23 |
| 2018 | 21 | 26 |
| 2019 | 21 | 22 |
| 2020 | 16 | 23 |
| 2021 | 13 | 27 |
| 2022 | 13 | 15 |
| 2023 | 18 | 15 |
| 2024 | 22 | 21 |
| 2025 | 13 | 35 |
| 2026 | 10 | 34 |
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
- Electrophotographic conductive roller, process cartridge, and electrophotographic image forming apparatus15 Sep 2026US 12,736,893 B2Canon Kabushiki Kaisha
- Waterborne one component non-isocyanate polyurethane epoxy hybrid coatings21 Jul 2026US 12,686,789 B2The University of Akron
- Monomers for non-isocyanate polyurethanes23 Jun 2026US 12,662,574 B2Alliance for Energy Innovation, LLC
- Process cartridge and electrophotographic image forming apparatus16 Jun 2026US 12,656,730 B2Canon Kabushiki Kaisha
- Combination of catalytic components1 Oct 2026US 2026/0295570 A1PolyU GmbH
- A Foam-Based, Structural Construction Panel1 Oct 2026US 2026/0295907 A1
- Cyclic poly(hydroxy-urethane) foams in wall and roofing insulation1 Oct 2026US 2026/0297257 A1Johns Manville
- Surface functionalized foams and methods of use thereof1 Oct 2026US 2026/0297258 A1
- Switchable thermal interface materials1 Oct 2026US 2026/0297292 A1Lord Corporation
Most cited
By later US patents
- Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom61US 4,946,992 ACiba-Geigy Corporation · 1990
- Hydroxyalkyl carbamate diluent for coating compositions and compositions containing the same58US 4,520,167 AAmerican Cyanamid Company · 1985
- Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom58US 4,898,981 ACiba-Geigy Corporation · 1990
- Biomimetic compounds and synthetic methods therefor58US 7,622,533 B2Nerites Corporation · 2009
- Curable carbamate-functional polymers48US 5,373,069 ABASF SE · 1994