C08G 18/635
Onto unsaturated polymers
Official title: {onto unsaturated polymers}
C08G18/635 (Onto unsaturated polymers) appears on 122 US grants and 32 published applications in this corpus.
Search patents in C08G- Granted patents
- 122
- Published applications
- 32
- Assignees
- 41
- Inventors
- 247
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reaction system for preparing polymer polyol and method for preparing polymer polyol3 Mar 2026US 12,565,557 B2Wanhua Chemical Group Co., Ltd.
- Processes and production plants for producing polymer polyols11 Mar 2025US 12,247,096 B2Covestro LLC
- Polyethers and their use in the production of flexible polyurethane foams15 Oct 2024US 12,116,449 B2Covestro LLC
- Processes and production plants for producing polymer polyols9 Apr 2024US 11,952,454 B2Covestro LLC
- Macromonomeric stabilizer, preparation method thereof, and method for preparing polymeric polyol24 Oct 2023US 11,795,265 B2Wanhua Chemical Group Co., Ltd.
- Polyurethane foam-forming compositions and opened-cell flexible foams produced therefrom16 Oct 2025US 2025/0320326 A1Covestro LLC
- Processes and production plants for producing polymer polyols20 Jun 2024US 2024/0199790 A1Covestro LLC
- Reaction system for preparing polymer polyol and method for preparing polymer polyol18 May 2023US 2023/0151134 A1Wanhua Chemical Group Co., Ltd.
- Processes and production plants for producing polymer polyols20 Apr 2023US 2023/0122773 A1Covestro LLC
- Polyethers and their use in the production of flexible polyurethane foams25 Aug 2022US 2022/0267506 A1Covestro LLC
Most cited
By later US patents
- Addition polymerizable adduct of a polymeric monoahl and an unsaturated isocyanate89US 4,394,491 AThe Dow Chemical Company · 1983
- Stable dispersions of polymers in polyfunctional compounds having a plurality of active hydrogens and polyurethanes therefrom68US 4,390,645 AThe Dow Chemical Company · 1983
- Organic polymers containing dispersed liquid crystalline filler polymers62US 4,798,849 AThe Dow Chemical Company · 1989
- Polyurethanes prepared from liquid crystal-containing polyols60US 4,745,135 AThe Dow Chemical Company · 1988
- Low temperature process for the preparation of graft copolymer dispersions57US 3,953,393 ABASF Wyandotte Corporation · 1976