C08G 18/3804
Polyhydroxy compounds
Official title: {Polyhydroxy compounds}
C08G18/3804 (Polyhydroxy compounds) appears on 163 US grants and 166 published applications in this corpus.
Search patents in C08G- Granted patents
- 163
- Published applications
- 166
- Assignees
- 109
- Inventors
- 442
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 1 |
| 2003 | 4 | 9 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 7 |
| 2007 | 1 | 20 |
| 2008 | 1 | 3 |
| 2009 | 1 | 5 |
| 2010 | 4 | 4 |
| 2011 | 2 | 3 |
| 2012 | 1 | 5 |
| 2013 | 6 | 7 |
| 2014 | 8 | 8 |
| 2015 | 4 | 7 |
| 2016 | 8 | 7 |
| 2017 | 7 | 7 |
| 2018 | 6 | 6 |
| 2019 | 5 | 10 |
| 2020 | 9 | 17 |
| 2021 | 7 | 11 |
| 2022 | 12 | 5 |
| 2023 | 9 | 6 |
| 2024 | 6 | 7 |
| 2025 | 3 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radiopaque thermoplastic polymer24 Feb 2026US 12,559,585 B2Shape Memory Medical, Inc.
- Brominated flame retardants and polyurethanes containing the same5 Aug 2025US 12,378,380 B2
- Two-component polyurethane or polyisocyanurate low pressure spray foam composition containing a gaseous blowing agent comprising pressurized carbon dioxide22 Jul 2025US 12,365,779 B2Ddp Specialty Electronic Materials US, LLC
- 2,2-dimethyl-1,3-dioxolan-4-yl-methyl 2-bromo-2,2-difluoroacetate, waterborne polyurethane, and preparation methods thereof4 Mar 2025US 12,240,938 B2Hangzhou Normal University
- Polyurethane, polyurethane production method, conductive paste composition, conductive wire, and method for producing conductive wire29 Oct 2024US 12,131,836 B2Shin-Etsu Chemical Co., Ltd.
- Radiopaque thermoplastic polymer25 Jun 2026US 2026/0176405 A1Shape Memory Medical, Inc.
- A two-component polyurethane or polyisocyanurate low pressure spray foam composition containing a gaseous blowing agent comprising pressurized carbon dioxide15 Jan 2026US 2026/0015479 A1Ddp Speciatly Electronic Materials US, LLC
- Fluorinated thermoplastic polyurethane12 Jun 2025US 2025/0188216 A1Abiomed Europe GmbH
- Thermosetting foams having improved insulating value13 Mar 2025US 2025/0084200 A1Honeywell International Inc.
- Drug Eluting Shape Memory Foam19 Dec 2024US 2024/0416011 A1The Texas A&M University System
Most cited
By later US patents
- Enhanced radiopacity of peripheral and central catheter tubing204US 6,200,338 B1Ethicon, Inc. · 2001
- Water-and oil-repellency imparting urethane oligomers comprising perfluoroalkyl moieties71US 6,803,109 B23M Innovative Properties Company · 2004
- Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom61US 4,946,992 ACiba-Geigy Corporation · 1990
- Urethane-based stain-release coatings59US 6,646,088 B23M Innovative Properties Company · 2003
- Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom58US 4,898,981 ACiba-Geigy Corporation · 1990