C08G 18/6644
Having at least three hydroxy groups
Official title: {having at least three hydroxy groups}
C08G18/6644 (Having at least three hydroxy groups) appears on 128 US grants and 175 published applications in this corpus.
Search patents in C08G- Granted patents
- 128
- Published applications
- 175
- Assignees
- 84
- Inventors
- 446
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 4 |
| 2003 | 3 | 5 |
| 2004 | 4 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 6 |
| 2007 | 0 | 19 |
| 2008 | 0 | 3 |
| 2009 | 0 | 8 |
| 2010 | 1 | 4 |
| 2011 | 0 | 6 |
| 2012 | 1 | 6 |
| 2013 | 11 | 8 |
| 2014 | 9 | 10 |
| 2015 | 7 | 9 |
| 2016 | 9 | 6 |
| 2017 | 6 | 3 |
| 2018 | 4 | 4 |
| 2019 | 2 | 5 |
| 2020 | 5 | 18 |
| 2021 | 7 | 8 |
| 2022 | 9 | 12 |
| 2023 | 7 | 8 |
| 2024 | 10 | 8 |
| 2025 | 3 | 9 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface protection film for flexible display and method of producing thereof28 Apr 2026US 12,613,552 B2Bando Chemical Industries, Ltd.
- Shape memory polymer hydrogels for wound healing24 Feb 2026US 12,558,459 B2Syracuse University
- Spray-applied polyurethane insulation material for tunnels in cold regions, its application, and its construction method27 Jan 2026US 12,534,629 B2China Academy of Railway Sciences Corporation Limited
- Vehicle wiper blade9 Sep 2025US 12,410,275 B2Canon Kabushiki Kaisha
- Low-viscosity, rapid curing laminating adhesive composition15 Jul 2025US 12,359,015 B2Henkel AG & Co. KGaA
- Polyurethane dispersion, gas barrier coating material, and method for producing polyurethane dispersion30 Jul 2026US 2026/0218005 A1Mitsui Chemicals, Inc.
- Bio-based two-component polyurethane adhesive composition and preparation method thereof25 Jun 2026US 2026/0176509 A1
- Golf ball18 Dec 2025US 2025/0381450 A1Sumitomo Rubber Industries, Ltd.
- Golf ball paint resin and golf ball13 Nov 2025US 2025/0345661 A1Sumitomo Rubber Industries, Ltd.
- Compound, method for producing same, composition, urethane resin, aqueous urethane resin dispersion, and coating agent2 Oct 2025US 2025/0304741 A1
Most cited
By later US patents
- Hard, optically clear polyurethane articles56US 4,101,529 APPG Industries, Inc. · 1978
- High heat distortion temperature transparent polyurethanes52US 4,808,690 ALoral Corporation · 1989
- U.V. curable poly(ester-urethane) polyacrylate polymers and wet look coatings therefrom43US 4,072,770 ASCM Corporation · 1978
- Transparent, optically clear poly(lactone-urethane) interlayers for laminated safety glass40US 4,085,092 APPG Industries, Inc. · 1978
- Poly(ureaurethane)s, articles and coatings prepared therefrom and methods of making the same35US 8,349,986 B2PPG Industries Ohio, Inc. · 2013