C07C 1/323
The hetero-atom being a nitrogen atom
Official title: {the hetero-atom being a nitrogen atom}
C07C1/323 (The hetero-atom being a nitrogen atom) appears on 43 US grants and 17 published applications in this corpus.
Search patents in C07C- Granted patents
- 43
- Published applications
- 17
- Assignees
- 32
- Inventors
- 105
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 3 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for synthesis of 2-methyl-2-hydroxyheptane and 2-methyl 2-alkoxyheptanes12 Mar 2024US 11,926,577 B2P2 Science, Inc.
- Process for manufacturing 1-cyclopropyl-naphthalenes16 Jun 2020US 10,683,245 B2Patheon Austria GmbH & Co KG
- Catalytic systems and methods for process stream treatment12 Nov 2019US 10,472,301 B2Siemens Energy, Inc.
- Catalytic systems and methods for process stream treatment2 Apr 2019US 10,246,382 B2Siemens Energy, Inc.
- Method for producing aromatic compound2 Apr 2019US 10,246,393 B2Kyoto University
- Method of producing liquid hydrocarbons from a syngas22 May 2025US 2025/0162962 A1
- Depolymerization of polyurethanes for circular economy plastics5 Dec 2024US 2024/0400786 A1International Business Machines Corporation
- New method for synthesis of 2-methyl-2-hydroxyheptane and 2-methyl 2-alkoxyheptanes2 Mar 2023US 2023/0065920 A1P2 Science, Inc.
- Catalytic systems and methods for process stream treatment23 May 2019US 2019/0152875 A1Siemens Energy, Inc.
- Perovskite-catalyzed hydrogenolysis of heteroatom-containing compounds17 Jan 2019US 2019/0016646 A1BP America Inc.
Most cited
By later US patents
- Production of light olefins from aliphatic hetero compounds123US 4,677,243 AUnion Carbide Corporation · 1987
- Chemical conversion process107US 4,861,938 AUop LLC · 1989
- Chemical conversion process73US 4,873,390 AUop LLC · 1989
- Chemical conversion process65US 4,973,792 AUop LLC · 1990
- Use of short contact time in oxygenate conversion57US 5,952,538 AExxon Chemical Patents Inc. · 1999