C07C 275/62
Y being a nitrogen atom
Official title: Y being a nitrogen atom, e.g. biuret
C07C275/62 (Y being a nitrogen atom) appears on 66 US grants and 31 published applications in this corpus.
Search patents in C07C- Granted patents
- 66
- Published applications
- 31
- Assignees
- 40
- Inventors
- 179
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 5 |
| 2009 | 0 | 4 |
| 2010 | 3 | 2 |
| 2011 | 3 | 0 |
| 2012 | 1 | 4 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for producing biuret from urea9 Jul 2024US 12,030,837 B2Casale SA
- Controlling biuret in urea production8 Sep 2020US 10,766,856 B2Stamicarbon B. V.
- Controlling biuret in urea production7 Jan 2020US 10,526,281 B2Stamicarbon B. V.
- Gemini surfactant and their use23 Oct 2018US 10,106,494 B2Empire Technology Development LLC
- Modified diphenylmethane diisocyanate (MDI) biuret curing agent and preparation method thereof29 Nov 2016US 9,505,910 B2J&H Xiangyang Chemical Co., Ltd.
- Process for producing biuret from urea12 Oct 2023US 2023/0322660 A1Casale SA
- Controlling biuret in urea production26 Mar 2020US 2020/0095196 A1Stamicarbon B. V.
- Controlling biuret in urea production27 Jun 2019US 2019/0194127 A1Stamicarbon B. V.
- Composition polyisocyanate biuret7 Feb 2019US 2019/0040179 A1Vencorex France
- Novel gemini surfactant and their use22 Dec 2016US 2016/0368863 A1Empire Technology Development LLC
Most cited
By later US patents
- Fluorochemical biuret compositions and fibrous substrates treated therewith69US 4,668,406 AMinnesota Mining and Manufacturing Company · 1987
- Amino acid analog CCK antagonists51US 5,346,907 AAbbott Laboratories · 1994
- Glucagon antagonists/inverse agonists35US 6,503,949 B1Noro Nordisk A/S · 2003
- Glucagon antagonists/inverse agonists35US 6,875,760 B2Novo Nordisk A/S · 2005
- Modified fluorocarbonylimino biurets33US 4,958,039 AE. I. Du Pont de Nemours and Company · 1990