C08G 18/632
Onto polyethers
Official title: {onto polyethers}
C08G18/632 (Onto polyethers) appears on 321 US grants and 371 published applications in this corpus.
Search patents in C08G- Granted patents
- 321
- Published applications
- 371
- Assignees
- 134
- Inventors
- 956
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 9 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 7 |
| 2003 | 7 | 11 |
| 2004 | 11 | 8 |
| 2005 | 1 | 6 |
| 2006 | 2 | 12 |
| 2007 | 2 | 11 |
| 2008 | 3 | 12 |
| 2009 | 3 | 16 |
| 2010 | 5 | 18 |
| 2011 | 5 | 20 |
| 2012 | 9 | 6 |
| 2013 | 8 | 27 |
| 2014 | 11 | 18 |
| 2015 | 13 | 11 |
| 2016 | 14 | 18 |
| 2017 | 8 | 15 |
| 2018 | 7 | 19 |
| 2019 | 15 | 25 |
| 2020 | 17 | 9 |
| 2021 | 12 | 22 |
| 2022 | 15 | 24 |
| 2023 | 9 | 14 |
| 2024 | 11 | 11 |
| 2025 | 11 | 16 |
| 2026 | 7 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Isocyanate-reactive compositions, rigid polyurethane foams and methods for their production14 Jul 2026US 12,679,922 B2Covestro LLC
- Stabilizer, polymer polyol prepared using stabilizer and method for preparing polymer polyol7 Jul 2026US 12,674,014 B2Korea Kumho Petrochemical Co., Ltd.
- Polyurethane foam and methods of forming the same23 Jun 2026US 12,662,566 B2Saint-Gobain Performance Plastics Corporation
- Dispersion stabilizer based on at least two types of polyols and method of preparing the same10 Mar 2026US 12,570,779 B2Korea Kumho Petrochemical Co., Ltd.
- Reaction system for preparing polymer polyol and method for preparing polymer polyol3 Mar 2026US 12,565,557 B2Wanhua Chemical Group Co., Ltd.
- Isocyanate-reactive compositions, rigid polyurethane foams and methods for their production24 Sep 2026US 2026/0286035 A1Covestro LLC
- Closed-cell water-blown rigid polyurethane foams and methods for their production20 Aug 2026US 2026/0242530 A1Covestro LLC
- Polyurethane foam for cosmetic composition impregnation and method of manufacturing the same20 Aug 2026US 2026/0242533 A1Kolmar Korea Co., Ltd.
- Composite made of randomly bonded polymer fiber loops and polyurethane foam20 Aug 2026US 2026/0242598 A1Dow Global Technologies LLC
- Polyurethane composition for rotational molding and use thereof30 Jul 2026US 2026/0217895 A1BASF SE
Most cited
By later US patents
- High-durability flexible polyurethane cold cure molded foam and process for producing the same96US 6,433,033 B1Mitsui Chemicals, Inc. · 2002
- Preparation of microcellular polyurethane elastomers62US 4,559,366 A1985
- Organosilicone polymers in polyurethane foams for carpet backing59US 4,022,941 AUnion Carbide Corporation · 1977
- Low energy-loss, high firmness, temperature sensitive polyurethane foams59US 6,653,363 B1Foamex L.P. · 2003
- Compositions for prevention of inflammation and adhesion formation and uses thereof56US 5,866,554 A1999