C07C 1/321
The hetero-atom being a non-metal atom
Official title: {the hetero-atom being a non-metal atom}
C07C1/321 (The hetero-atom being a non-metal atom) appears on 250 US grants and 218 published applications in this corpus.
Search patents in C07C- Granted patents
- 250
- Published applications
- 218
- Assignees
- 185
- Inventors
- 591
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 12 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 0 |
| 2002 | 6 | 10 |
| 2003 | 11 | 8 |
| 2004 | 3 | 5 |
| 2005 | 4 | 7 |
| 2006 | 3 | 7 |
| 2007 | 5 | 7 |
| 2008 | 4 | 3 |
| 2009 | 9 | 5 |
| 2010 | 2 | 9 |
| 2011 | 3 | 24 |
| 2012 | 9 | 10 |
| 2013 | 6 | 8 |
| 2014 | 8 | 9 |
| 2015 | 19 | 17 |
| 2016 | 10 | 21 |
| 2017 | 20 | 11 |
| 2018 | 12 | 8 |
| 2019 | 11 | 10 |
| 2020 | 8 | 6 |
| 2021 | 6 | 6 |
| 2022 | 5 | 5 |
| 2023 | 2 | 6 |
| 2024 | 8 | 9 |
| 2025 | 1 | 4 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for debromination of novel brominated flame retardants using Zn-based additives21 Jan 2025US 12,202,780 B1United Arab Emirates University
- System and method for low-cost methane upgrading to added-valuable products22 Oct 2024US 12,122,731 B2Qatar Foundation for Education, Science and Community Development
- Conversion of hydrogen sulfide and carbon dioxide into hydrocarbons using non-thermal plasma and a catalyst15 Oct 2024US 12,116,326 B2Saudi Arabian Oil Company
- Method for making natural material-supported palladium catalyst1 Oct 2024US 12,102,982 B2King Fahd University of Petroleum and Minerals
- Method for making an unmodified jute supported catalyst1 Oct 2024US 12,102,983 B2King Fahd University of Petroleum and Minerals
- Dielectric mie resonator cupric/cuprous-oxide based photocatalysts for suzuki coupling reaction8 Oct 2026US 2026/0307062 A1
- Novel iron-based compounds, processes for the preparation thereof, and use thereof as catalysts16 Jul 2026US 2026/0200963 A1Centre National De La Recherche Scientifique
- One-pot synthesis of substituted flourenes2 Apr 2026US 2026/0092028 A1Chevron Phillips Chemical Company LP
- Process for preparing beta-farnesenes and 2-(3-alkenyl)-1,3-butadiene compound having related structure, and synthetic intermediate compound thereof28 Aug 2025US 2025/0270152 A1Shin-Etsu Chemical Co., Ltd.
- Process for preparing alpha-farnesenes and 4-substituted 3-methyl-1,3-butadiene compound having related structure, and synthetic intermediate compound thereof17 Jul 2025US 2025/0230109 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Production of light olefins from aliphatic hetero compounds123US 4,677,243 AUnion Carbide Corporation · 1987
- Chemical conversion process107US 4,861,938 AUop LLC · 1989
- Ligands for metals and improved metal-catalyzed processes based thereon83US 6,946,560 B2Massachusetts Institute of Technology · 2005
- Ligands for metals and improved metal-catalyzed processes based thereon80US 7,026,498 B2Massachusetts Institute of Technology · 2006