C08G 18/68
Unsaturated polyesters
C08G18/68 (Unsaturated polyesters) appears on 310 US grants and 191 published applications in this corpus.
Search patents in C08G- Granted patents
- 310
- Published applications
- 191
- Assignees
- 190
- Inventors
- 784
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 11 | 0 |
| 1979 | 1 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 9 | 0 |
| 1987 | 1 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 3 |
| 2002 | 5 | 2 |
| 2003 | 9 | 10 |
| 2004 | 11 | 16 |
| 2005 | 4 | 4 |
| 2006 | 3 | 8 |
| 2007 | 2 | 3 |
| 2008 | 7 | 7 |
| 2009 | 3 | 13 |
| 2010 | 3 | 11 |
| 2011 | 4 | 9 |
| 2012 | 0 | 11 |
| 2013 | 12 | 7 |
| 2014 | 10 | 10 |
| 2015 | 5 | 11 |
| 2016 | 4 | 9 |
| 2017 | 10 | 8 |
| 2018 | 7 | 7 |
| 2019 | 10 | 4 |
| 2020 | 6 | 10 |
| 2021 | 5 | 4 |
| 2022 | 2 | 3 |
| 2023 | 2 | 9 |
| 2024 | 4 | 9 |
| 2025 | 3 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat labile foam-in-place polyurethane foam28 Apr 2026US 12,612,500 B2Battelle Savannah River Alliance, LLC
- Water-dispersible modified polyisocyanates3 Mar 2026US 12,565,559 B2Covestro Deutschland AG
- Bio-based coatings and adhesives using oils of Physaria fendleri and Euphorbia Lagascae22 Jul 2025US 12,365,821 B2Iowa State University Research Foundation, Inc.
- Binder for an aqueous coating composition29 Apr 2025US 12,286,534 B2Allnex Austria GmbH
- Laminate adhesive28 Jan 2025US 12,209,205 B2Mitsui Chemicals, Inc.
- Polyester Polyols and Polyurethanes9 Jul 2026US 2026/0193404 A1Loop CO2, Inc.
- Low-density anti-corrosion primer with strong adhesion to heavy flash rust surface and preparation method thereof12 Feb 2026US 2026/0042916 A1Marine Chemical Research Institute Co., Ltd.
- Active-energy-ray-curable coating composition and molded article24 Apr 2025US 2025/0129251 A1DIC Corporation
- Halogenated polyphosphate polyol and prepolymer and preparation method therefor, as well as polyurea elastomer composition and polyurea elastomer and application19 Dec 2024US 2024/0417508 A1China Petroleum & Chemical Corporation
- Co-cured gel coats, elastomeric coatings, structural layers, and in-mold processes for their use14 Nov 2024US 2024/0375386 A1Composites Intellectual Holdings, Inc.
Most cited
By later US patents
- Hydrophilic or hydrogel carrier systems such as coatings, body implants and other articles353US 3,975,350 APrinceton Polymer Laboratories, Incorporated · 1976
- Cured unsaturated polyester-polyurethane hybrid highly filled resin foams115US 5,302,634 AHoppmann Corporation · 1994
- Cured unsaturated polyester-polyurethane hybrid highly filled resin foams101US 5,369,147 AEcomat, Inc. · 1994
- In-mold coating composition and method of applying same86US 4,081,578 AThe General Tire & Rubber Company · 1978
- Aqueous radiation curable polyurethane compositions82US 8,853,318 B2Allnex Belgium S.A. · 2014