C08G 18/6517
Having at least three hydroxy groups
Official title: {having at least three hydroxy groups}
C08G18/6517 (Having at least three hydroxy groups) appears on 42 US grants and 36 published applications in this corpus.
Search patents in C08G- Granted patents
- 42
- Published applications
- 36
- Assignees
- 43
- Inventors
- 175
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 3 |
| 2019 | 1 | 2 |
| 2020 | 3 | 3 |
| 2021 | 3 | 1 |
| 2022 | 0 | 7 |
| 2023 | 2 | 2 |
| 2024 | 0 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of preparing bio-based waterborne polyurethane intermediate, bio-polyurethane-acrylic hybrid fluorine-free water repellent and the application thereof10 Mar 2026US 12,570,788 B2Jintex Corporation Ltd.
- Microcapsules for use with polyurethane and epoxy adhesives3 Jun 2025US 12,318,748 B2The Johns Hopkins University
- Polyurethane dispersion8 Apr 2025US 12,269,930 B2Mitsui Chemicals, Inc.
- Compact polyurethane25 Mar 2025US 12,258,437 B2BASF SE
- Omniphobic polyurethane compositions, related articles, and related methods14 Nov 2023US 11,814,470 B2Board of Trustees of Michigan State University
- Aqueous dispersion of polyurethane resin and aqueous coating material5 Mar 2026US 2026/0062509 A1DKS Co. Ltd.
- Polyurethane elastomer, modified silicone rubber, acoustic lens, and ultrasonic probe6 Mar 2025US 2025/0075025 A1Wuhan United Imaging Healthcare Co., Ltd.
- High-solids curable film-forming compositions and methods of improving appearance of coatings containing effect pigments3 Oct 2024US 2024/0327564 A1PPG Industries Ohio, Inc.
- Method of preparing bio-based waterborne polyurethane intermediate, bio-polyurethane-acrylic hybrid fluorine-free water repellent and the application thereof12 Sep 2024US 2024/0301121 A1Jintex Corporation Ltd.
- Urethane composition10 Aug 2023US 2023/0250218 A1Nitto Kasei Co., Ltd.
Most cited
By later US patents
- Production of moldings by the reaction injection molding process60US 5,368,806 AMiles Inc. · 1994
- Process for producing polyurethane elastomers40US 5,496,496 ATakeda Chemical Industries, Ltd. · 1996
- Method for powder coatings34US 5,552,487 ABASF SE · 1996
- Materials suitable as crosslinkable binder components32US 5,922,469 ABASF SE · 1999
- Thermoplastic polyurethane resin25US 6,365,674 B1Bayer Aktiengesellschaft · 2002