C08F 290/147
Polyurethanes
Official title: {Polyurethanes; Polyureas}
C08F290/147 (Polyurethanes) appears on 164 US grants and 148 published applications in this corpus.
Search patents in C08F- Granted patents
- 164
- Published applications
- 148
- Assignees
- 140
- Inventors
- 541
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 6 |
| 2003 | 6 | 5 |
| 2004 | 6 | 7 |
| 2005 | 4 | 7 |
| 2006 | 2 | 3 |
| 2007 | 2 | 5 |
| 2008 | 3 | 5 |
| 2009 | 5 | 1 |
| 2010 | 3 | 7 |
| 2011 | 3 | 4 |
| 2012 | 0 | 7 |
| 2013 | 2 | 6 |
| 2014 | 4 | 5 |
| 2015 | 4 | 2 |
| 2016 | 2 | 8 |
| 2017 | 1 | 2 |
| 2018 | 4 | 3 |
| 2019 | 3 | 3 |
| 2020 | 3 | 18 |
| 2021 | 6 | 9 |
| 2022 | 5 | 13 |
| 2023 | 5 | 5 |
| 2024 | 7 | 8 |
| 2025 | 8 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thiol urethane group-containing polymerizable composition15 Sep 2026US 12,735,520 B2Kulzer GmbH
- Method of producing polyurethane-based composite material, polyurethane-based composite material, and material for dental cutting work26 May 2026US 12,636,234 B2Tokuyama Dental Corporation
- Anti-reflective film, polarizing plate, and display apparatus7 Apr 2026US 12,596,205 B2Xinmei Fontana Holding (Hong Kong) Limited
- Resin composition for stereolithography25 Nov 2025US 12,479,153 B2Kuraray Noritake Dental Inc.
- Triazine ring-containing polymer and film forming composition containing same25 Nov 2025US 12,479,960 B2Nissan Chemical Corporation
- Process for producing low gloss coating surface by radiation curing20 Aug 2026US 2026/0241413 A1Covestro LLC
- Urea (meth)acrylate or urea-urethane (meth)acrylate oligomer, compositions comprising same and uses thereof30 Jul 2026US 2026/0217901 A1Arkema France
- Process for producing low gloss coating surface by radiation curing16 Jul 2026US 2026/0201170 A1Covestro LLC
- Process for producing low gloss coating surface by radiation curing9 Jul 2026US 2026/0192330 A1Covestro LLC
- Antioxidant stabilizers for direct fabrication of orthodontic appliances19 Jun 2025US 2025/0197658 A1Align Technology, Inc.
Most cited
By later US patents
- Polysiloxane prepolymers for biomedical devices119US 7,423,074 B2Bausch & Lomb Incorporated · 2008
- Aqueous polyurethane - polyolefin compositions109US 4,644,030 AWitco Corporation · 1987
- Fluorine and/or silicone containing poly(alkylene-oxide)-block copolymer hydrogels and contact lenses thereof105US 5,334,681 ACiba-Geigy Corporation · 1994
- Radiation-curable, urethane-acrylate prepolymers and crosslinked polymers85US 5,674,921 AEthicon, Inc. · 1997
- Radiation-curable composition having high cure speed79US 6,376,571 B1Dsm N. V. · 2002