C07C 2527/20
Carbon compounds
C07C2527/20 (Carbon compounds) appears on 233 US grants and 106 published applications in this corpus.
Search patents in C07C- Granted patents
- 233
- Published applications
- 106
- Assignees
- 135
- Inventors
- 568
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 15 | 0 |
| 1986 | 15 | 0 |
| 1987 | 13 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 14 | 0 |
| 1991 | 16 | 0 |
| 1992 | 21 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 7 | 4 |
| 2004 | 1 | 7 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 5 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 4 |
| 2011 | 0 | 5 |
| 2012 | 2 | 5 |
| 2013 | 4 | 3 |
| 2014 | 2 | 6 |
| 2015 | 2 | 5 |
| 2016 | 1 | 9 |
| 2017 | 8 | 6 |
| 2018 | 6 | 7 |
| 2019 | 8 | 6 |
| 2020 | 6 | 5 |
| 2021 | 1 | 5 |
| 2022 | 3 | 5 |
| 2023 | 2 | 2 |
| 2024 | 5 | 4 |
| 2025 | 1 | 4 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 1,5,9-cyclododecatriene composition and continuous preparation method therefor29 Apr 2025US 12,286,388 B2Hanwha Solutions Corporation
- Method for the depolymerisation of polystyrene in the presence of foreign polymers5 Nov 2024US 12,134,595 B2Ineos Styrolution Group GmbH
- Process for the depolymerization of polystyrene15 Oct 2024US 12,116,337 B2Ineos Styrolution Group GmbH
- Electromagnetic field-assisted method for chemical conversion7 May 2024US 11,975,303 B2United States Department of Energy
- Reconstituted dehydrogenation catalyst showing slowed activity loss when compared with fresh catalyst9 Apr 2024US 11,951,455 B2Dow Global Technologies LLC
- Methods for producing 1,1-difluoropropene (hfo-1252zc) from 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd)1 Oct 2026US 2026/0296995 A1
- Continuous production method and continuous production device of isobutylbenzene21 May 2026US 2026/0138937 A1Qingdao University of Science and Technology
- Methods of Synthesizing Corticiolic Acid16 Apr 2026US 2026/0103435 A1Amrita Vishwa Vidyapeetham
- Lanthanum dioxide carbonate catalyst and its preparation method and use9 Apr 2026US 2026/0097393 A1China Petroleum & Chemical Corporation
- Honeycomb structural body, methane production apparatus, and method of producing methane8 Jan 2026US 2026/0008732 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Methods for manufacturing olefins from lower alkans by oxidative dehydrogenation140US 6,518,476 B1Union Carbide Chemicals & Plastics Technology Corporation · 2003
- Manufacture of synthetic lubricant additives from low molecular weight olefins using boron trifluoride catalysts123US 4,413,156 ATexaco Inc. · 1983
- Catalysts for the oxidative dehydrogenation of hydrocarbons93US 6,403,523 B1Union Carbide Chemicals & Plastics Technology Corporation · 2002
- Method for manufacturing alkylate oil with composite ionic liquid used as catalyst91US 7,285,698 B2University of Petroleum, Beijing · 2007
- Catalyst87US 7,375,049 B2Johnson Matthey PLC · 2008