C08L 75/02
Polyureas
C08L75/02 (Polyureas) appears on 225 US grants and 301 published applications in this corpus.
Search patents in C08L- Granted patents
- 225
- Published applications
- 301
- Assignees
- 199
- Inventors
- 848
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 5 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 1 | 6 |
| 2006 | 3 | 10 |
| 2007 | 1 | 8 |
| 2008 | 5 | 10 |
| 2009 | 5 | 1 |
| 2010 | 4 | 10 |
| 2011 | 4 | 15 |
| 2012 | 6 | 9 |
| 2013 | 6 | 6 |
| 2014 | 8 | 17 |
| 2015 | 13 | 14 |
| 2016 | 12 | 6 |
| 2017 | 9 | 13 |
| 2018 | 8 | 17 |
| 2019 | 15 | 25 |
| 2020 | 12 | 24 |
| 2021 | 12 | 26 |
| 2022 | 16 | 14 |
| 2023 | 13 | 16 |
| 2024 | 18 | 12 |
| 2025 | 14 | 16 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Conductive polyaspartic ester based compositions8 Sep 2026US 12,729,263 B2Parker-Hannifin Corporation
- Composite material and its method of production4 Aug 2026US 12,698,394 B2Nanoregmed Limited
- Silicone polyurea block copolymer coating compositions and methods5 May 2026US 12,616,777 B2Innovative Surface Technologies, Inc.
- Continuous preparation of polyurethanes or polyureas17 Feb 2026US 12,552,895 B2Coatex
- Elastomeric compositions and methods of use23 Dec 2025US 12,503,544 B2PPG Industries Ohio, Inc.
- Lipooligoureas, pharmaceutical composition, and lipooligoureas for use as medicament27 Aug 2026US 2026/0248748 A1Uniwersytet Warszawski
- Synthetic channels20 Aug 2026US 2026/0241346 A1Centre National de la Recherche Scientifique (CNRS)
- Composition and method for preparing microencapsulated phase change materials20 Aug 2026US 2026/0242651 A1Dow Global Technologies LLC
- Microcapsules13 Aug 2026US 2026/0234512 A1Iberchem S.A.U.
- Microcapsule and composition employing the same2 Jul 2026US 2026/0184858 A1Industrial Technology Research Institute
Most cited
By later US patents
- Fire retardant compositions and methods for preserving wood products255US 6,620,349 B12003
- Multi-layer core golf ball129US 7,255,656 B2Acushnet Company · 2007
- Reaction injection molding as a process to prepare contact lenses55US 5,656,210 AJohnson & Johnson Vision Products, Inc. · 1997
- Highly filled polyurea foams42US 4,105,594 ABayer Aktiengesellschaft · 1978
- Multi-layer golf ball having velocity gradient from slower center to faster cover41US 7,331,878 B2Acushnet Company · 2008