C08G 65/3255
Ammonia
Official title: {Ammonia}
C08G65/3255 (Ammonia) appears on 80 US grants and 36 published applications in this corpus.
Search patents in C08G- Granted patents
- 80
- Published applications
- 36
- Assignees
- 49
- Inventors
- 173
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 4 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 5 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for preparing polyether amine by catalytic amination of polyether diol2 Sep 2025US 12,404,366 B2Shangyu Huangma Surface Activated Reagent Research Institute Co., Ltd.
- Biocide free associative thickener23 Apr 2024US 11,965,091 B2Rohm and Haas Company
- Etheramine mixture containing polyether diamines and method of making and using the same31 Jan 2023US 11,566,107 B2Huntsman Petrochemical Corporation
- Etheramines prepared from a mixture of two or more multifunctional alcohol initiators, and their use as curatives or intermediates for polymer synthesis5 Apr 2022US 11,292,873 B2Huntsman Petrochemical Corporation
- Tetrahydrofurfuryl alcohol initialized polyetheramines and uses thereof5 Apr 2022US 11,292,876 B2Huntsman Petrochemical Corporation
- New ether-amine compositions and the use thereof as curing agents for epoxy resins23 Jul 2026US 2026/0209427 A1BASF SE
- Methyl Fructoside Polyether Amine, Preparation Method Therefor and Use Thereof27 Feb 2025US 2025/0066406 A1Zhejiang Huangma Chemical New Polymer Material Co., Ltd
- Dialkyl phenol initiated polyetheramine and uses thereof30 Jan 2025US 2025/0034470 A1Huntsman Petrochemical Corporation
- Reductive amination catalyst for preparation of polyether amine and its preparation method12 Dec 2024US 2024/0408584 A1Zhejiang Huangma Chemical New Polymer Material Co., Ltd
- Fatty Alcohol Polyether Amine Polyether and Preparation Method and Application Thereof12 Dec 2024US 2024/0409688 A1Zhejiang Huangma Chemical New Polymer Material Co., Ltd
Most cited
By later US patents
- Gasoline-engine fuels containing polyetheramines or polyetheramine derivatives75US 5,112,364 ABASF SE · 1992
- Polyether amine modification of polypropylene68US 5,721,315 AHuntsman Petrochemical Corporation · 1998
- Polyether amine modification of polypropylene68US 5,783,630 AHuntsman Petrochemical Corporation · 1998
- Process for the preparation of polyoxyalkylene polyamines63US 4,766,245 ATexaco Inc. · 1988
- Dyeable polyolefin containing polyetheramine modified functionalized polyolefin52US 5,985,999 AHuntsman Petrochemical Corporation · 1999