C08G 65/263
Containing heterocyclic amine groups
Official title: {containing heterocyclic amine groups}
C08G65/263 (Containing heterocyclic amine groups) appears on 48 US grants and 27 published applications in this corpus.
Search patents in C08G- Granted patents
- 48
- Published applications
- 27
- Assignees
- 32
- Inventors
- 124
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 3 |
| 2021 | 0 | 3 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 4 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Polymeric dispersants from phenyl glycidyl ether26 Aug 2025US 12,398,246 B2Stepan Company
- CO2-philic crosslinked polyethylene glycol-based membranes for acid and sour gas separations17 Sep 2024US 12,091,625 B2Saudi Arabian Oil Company
- Resist underlayer film-forming composition and method for forming resist pattern using the same27 Aug 2024US 12,072,631 B2Nissan Chemical Corporation
- (Poly)alkylene glycol-containing compound25 Jun 2024US 12,018,121 B2Nippon Shokubai Co., Ltd.
- Polymeric dispersants from phenyl glycidyl ether26 Mar 2024US 11,939,434 B2Stepan Company
- Polymer, leveling agent and preparation method thereof, electroplating solution, and electroplating method1 Aug 2024US 2024/0254277 A1Huawei Technologies Co., Ltd.
- Polymeric dispersants from phenyl glycidyl ether27 Jun 2024US 2024/0209160 A1Stepan Company
- Co2-philic crosslinked polyethylene glycol-based membranes for acid and sour gas separations26 Oct 2023US 2023/0340348 A1Saudi Arabian Oil Company
- Co2-philic crosslinked polyethylene glycol-based membranes for acid and sour gas separations7 Jul 2022US 2022/0213399 A1Saudi Arabian Oil Company
- (poly)alkylene glycol-containing compound10 Mar 2022US 2022/0073678 A1Nippon Shokubai Co., Ltd.
Most cited
By later US patents
- Apparatus for manufacturing profile pipes used in well construction123US 5,119,661 A1992
- Poly(ethylene glycol) containing chemically disparate endgroups28US 7,560,588 B2Intezyne Technologies, Inc. · 2009
- Reverse osmosis using a composite isocyanurate membrane25US 4,366,062 AToray Industries, Inc. · 1982
- Zwitterionic compounds having clay soil removal/anti/redeposition properties useful in detergent compositions21US 4,661,288 AThe Procter & Gamble Company · 1987
- Curable polyene-polythiol hydantoin coating compositions16US 3,984,606 AW. R. Grace & Co. · 1976