C08G 18/4252
Derived from polyols containing polyether groups and polycarboxylic acids
Official title: {derived from polyols containing polyether groups and polycarboxylic acids}
C08G18/4252 (Derived from polyols containing polyether groups and polycarboxylic acids) appears on 131 US grants and 157 published applications in this corpus.
Search patents in C08G- Granted patents
- 131
- Published applications
- 157
- Assignees
- 105
- Inventors
- 541
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 2 | 6 |
| 2006 | 3 | 6 |
| 2007 | 2 | 7 |
| 2008 | 0 | 1 |
| 2009 | 0 | 9 |
| 2010 | 2 | 9 |
| 2011 | 3 | 6 |
| 2012 | 4 | 7 |
| 2013 | 5 | 5 |
| 2014 | 4 | 9 |
| 2015 | 4 | 5 |
| 2016 | 8 | 4 |
| 2017 | 4 | 9 |
| 2018 | 4 | 2 |
| 2019 | 7 | 6 |
| 2020 | 4 | 7 |
| 2021 | 2 | 7 |
| 2022 | 4 | 11 |
| 2023 | 3 | 8 |
| 2024 | 6 | 17 |
| 2025 | 4 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthetic leather2 Jun 2026US 12,644,225 B2DIC Corporation
- Controlled-release fertilizer compositions29 Jul 2025US 12,371,393 B2OMS Investments, Inc.
- Biodegradable, phase separated, thermoplastic multi-block copolymer10 Jun 2025US 12,325,776 B2InnoCore Technologies Holding B.V.
- Polyurethane compositions, products prepared with same and preparation methods thereof3 Jun 2025US 12,319,778 B2Dow Global Technologies LLC
- Biodegradable resin composition having improved mechanical property, formability, and weatherproof and method for manufacturing the same14 Jan 2025US 12,195,583 B2Ankor Bioplastics Co., Ltd.
- Low residual momomer glycol aromatic polyester polyols24 Sep 2026US 2026/0286036 A1Stepan Company
- Polyurethane urea and its preparation method20 Aug 2026US 2026/0242529 A1BASF SE
- Polyether ester polyol, preparation method therefor, and method for preparing polyurethane elastomer by using polyether ester polyol13 Aug 2026US 2026/0234325 A1Zhengzhou Zhongyuan Spandex Engineering Technology Co., Ltd
- Copolymer and preparation method of copolymer30 Jul 2026US 2026/0217899 A1LG Chem.Ltd.
- Phosphinate flame retardant and process for manufacture thereof26 Feb 2026US 2026/0055124 A1Clariant International Ltd.
Most cited
By later US patents
- Surgical adhesive59US 5,173,301 ASanyo Chemical Industries, Ltd. · 1992
- Methods for producing polyether ester polyols and polyurethanes54US 5,145,883 AAsahi Glass Company, Limited · 1992
- Actinic radiation-curable formulations from the reaction product of organic isocyanate, poly(alkylene oxide) polyol and an unsaturated addition-polymerizable monomeric compound having a single isocyanate-reactive hydrogen group53US 4,133,723 ALord Corporation · 1979
- Universal adhesive surfacer/filler44US 5,278,223 AHenkel Kommanditgesellschaft auf Aktien · 1994
- Actinic radiation-curable formulations containing at least one unsaturated polyether-esterurethane oligomer43US 4,188,455 ALord Corporation · 1980