C08F 290/067
Polyurethanes
Official title: {Polyurethanes; Polyureas}
C08F290/067 (Polyurethanes) appears on 648 US grants and 981 published applications in this corpus.
Search patents in C08F- Granted patents
- 648
- Published applications
- 981
- Assignees
- 397
- Inventors
- 2,210
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 12 | 2 |
| 2002 | 11 | 6 |
| 2003 | 8 | 11 |
| 2004 | 14 | 21 |
| 2005 | 7 | 18 |
| 2006 | 6 | 12 |
| 2007 | 8 | 17 |
| 2008 | 7 | 11 |
| 2009 | 6 | 14 |
| 2010 | 8 | 30 |
| 2011 | 10 | 19 |
| 2012 | 11 | 37 |
| 2013 | 10 | 25 |
| 2014 | 15 | 28 |
| 2015 | 21 | 21 |
| 2016 | 16 | 32 |
| 2017 | 25 | 42 |
| 2018 | 27 | 43 |
| 2019 | 38 | 56 |
| 2020 | 34 | 67 |
| 2021 | 42 | 93 |
| 2022 | 48 | 99 |
| 2023 | 55 | 82 |
| 2024 | 62 | 88 |
| 2025 | 58 | 60 |
| 2026 | 26 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elastic materials prepared from energy-curable liquid compositions29 Sep 2026US 12,747,317 B2Arkema France
- Resin composition, optical fiber, and method for producing optical fiber18 Aug 2026US 12,709,686 B2Sumitomo Electric Industries, Ltd.
- (meth)acrylate-functional radiation curable compositions for additive fabrication18 Aug 2026US 12,709,697 B2Stratasys, Inc.
- Photocurable resin composition for nail or artificial nail, cured product, and method for coating nail or artificial nail28 Jul 2026US 12,691,053 B2Threebond Co., Ltd.
- Encapsulation material, display panel, and encapsulation method thereof16 Jun 2026US 12,655,301 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Actinically-curable compositions having high dimensional accuracy8 Oct 2026US 2026/0308298 A1Arkema France
- Urea-containing polyurethane acrylate resin, composite material, and method for preparing composite material thereof27 Aug 2026US 2026/0250456 A1Swancor Innovation & Incubation Co., Ltd.
- Active-energy-ray-curable coating composition and molded article27 Aug 2026US 2026/0250514 A1DIC Corporation
- Radiation curable compositions for coating optical fibers27 Aug 2026US 2026/0250540 A1Covestro LLC
- Radiation curable composition20 Aug 2026US 2026/0242524 A1Allnex USA Inc.
Most cited
By later US patents
- Polyurethane resins having multiple mechanisms of hardening for use in producing three-dimensional objects271US 9,453,142 B2Carbon3D, Inc. · 2016
- Methods of producing three-dimensional objects from materials having multiple mechanisms of hardening165US 9,676,963 B2Carbon, Inc. · 2017
- Methods of producing polyurethane three-dimensional objects from materials having multiple mechanisms of hardening137US 9,598,606 B2Carbon, Inc. · 2017
- Wash liquids for use in additive manufacturing with dual cure resins133US 10,343,331 B2Carbon, Inc. · 2019
- Polysiloxane prepolymers for biomedical devices119US 7,423,074 B2Bausch & Lomb Incorporated · 2008