C08G 18/6795
Unsaturated polyethers
Official title: {Unsaturated polyethers}
C08G18/6795 (Unsaturated polyethers) appears on 98 US grants and 55 published applications in this corpus.
Search patents in C08G- Granted patents
- 98
- Published applications
- 55
- Assignees
- 78
- Inventors
- 282
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 5 |
| 2006 | 2 | 4 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 3 | 5 |
| 2018 | 0 | 4 |
| 2019 | 3 | 3 |
| 2020 | 1 | 6 |
| 2021 | 3 | 3 |
| 2022 | 5 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical article and method for producing optical article23 Sep 2025US 12,421,365 B2Hoya Lens Thailand Ltd.
- Polyethers and their use in the production of flexible polyurethane foams15 Oct 2024US 12,116,449 B2Covestro LLC
- Reinforcing film2 Apr 2024US 11,945,984 B2Nitto Denko Corporation
- Preparation method for polyol and application of polyol in making polyurethane27 Dec 2022US 11,535,708 B2Nanjing Tech University
- Three dimensional deposition method to create layers of polymeric material onto an object6 Sep 2022US 11,434,311 B2Huntsman International LLC
- Biodegradable polyurethane and method for preparing the same2 Jul 2026US 2026/0184850 A1Hyundai Motor Company
- Multi-layer synthetic leather products25 Sep 2025US 2025/0297423 A1Dow Global Technologies LLC
- Composition, resin composition, and molded body including these14 Sep 2023US 2023/0287199 A1Kuraray Co., Ltd.
- Active energy ray-curable polyurethane resin, curable resin composition, and production method for active energy ray-curable polyurethane resin16 Mar 2023US 2023/0078175 A1Mitsui Chemicals, Inc.
- Polyethers and their use in the production of flexible polyurethane foams25 Aug 2022US 2022/0267506 A1Covestro LLC
Most cited
By later US patents
- Production of moldings by the reaction injection molding process60US 5,368,806 AMiles Inc. · 1994
- Poly(glycidyl ether)block copolymers and process for their preparation53US 4,485,211 AThe B. F. Goodrich Company · 1984
- Polyurethane foam, process for producing the same, and foam forming composition41US 6,455,606 B1Sanyo Chemical Industries, Ltd. · 2002
- Materials for contact lenses comprising a macromer having the polysiloxane structure in the side chain41US 6,602,930 B2Hoya Healthcare Corporation · 2003
- Cationically curable polyurethane compositions having vinyl ether functionality37US 4,996,282 ADeSoto, Inc. · 1991