C08G 18/6677
Having at least three hydroxy groups
Official title: {having at least three hydroxy groups}
C08G18/6677 (Having at least three hydroxy groups) appears on 277 US grants and 327 published applications in this corpus.
Search patents in C08G- Granted patents
- 277
- Published applications
- 327
- Assignees
- 185
- Inventors
- 920
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 3 |
| 2003 | 5 | 9 |
| 2004 | 1 | 4 |
| 2005 | 3 | 4 |
| 2006 | 0 | 0 |
| 2007 | 3 | 5 |
| 2008 | 2 | 6 |
| 2009 | 3 | 7 |
| 2010 | 2 | 6 |
| 2011 | 2 | 5 |
| 2012 | 2 | 6 |
| 2013 | 4 | 12 |
| 2014 | 5 | 14 |
| 2015 | 9 | 10 |
| 2016 | 6 | 14 |
| 2017 | 14 | 22 |
| 2018 | 8 | 28 |
| 2019 | 9 | 17 |
| 2020 | 19 | 35 |
| 2021 | 18 | 24 |
| 2022 | 16 | 34 |
| 2023 | 17 | 20 |
| 2024 | 19 | 11 |
| 2025 | 13 | 21 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition and method for a root canal filling8 Sep 2026US 12,728,078 B2Rutgers, The State University of New Jersey
- 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
- Filled polymeric resin materials and methods of making20 Jan 2026US 12,528,939 B2NIKE, Inc.
- Cleaning wiper blade2 Dec 2025US 12,484,743 B2Canon Kabushiki Kaisha
- Foamable Polyurethane Composition Comprising a Fatty Amide8 Oct 2026US 2026/0308307 A1Henkel AG & Co. KGaA
- Multilayer structures containing low viscosity polyurethane pottant compositions20 Aug 2026US 2026/0241664 A1
- Modified pu foam13 Aug 2026US 2026/0234350 A1Wenatex Forschung - Entwicklung - Produktion GmbH
- Polyurethane foam and cushioning material6 Aug 2026US 2026/0226223 A1Inoac Corporation
- Polyurethane dispersion, gas barrier coating material, and method for producing polyurethane dispersion30 Jul 2026US 2026/0218005 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Crosslinked hydrophilic foams and method131US 4,137,200 AW. R. Grace & Co. · 1979
- Gel compounds, their production and use98US 5,362,834 ABayer Aktiengesellschaft · 1994
- Preparation of mono-substituted fluorinated oxetane prepolymers91US 5,650,483 AAerojet-General Corporation · 1997
- Breathable polyurethanes, blends, and articles88US 6,897,281 B2Noveon IP Holdings Corp. · 2005
- Hydrogel containing envelopes71US 5,147,646 ANational Research Development Corporation · 1992