C07C 2/20
Acids of halogen
Official title: Acids of halogen; Salts thereof {; Complexes thereof with organic compounds}
C07C2/20 (Acids of halogen) appears on 158 US grants and 64 published applications in this corpus.
Search patents in C07C- Granted patents
- 158
- Published applications
- 64
- Assignees
- 67
- Inventors
- 338
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 11 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 18 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 5 |
| 2007 | 3 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 4 | 1 |
| 2011 | 1 | 4 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 3 | 3 |
| 2015 | 1 | 3 |
| 2016 | 5 | 6 |
| 2017 | 1 | 2 |
| 2018 | 3 | 5 |
| 2019 | 6 | 1 |
| 2020 | 5 | 4 |
| 2021 | 3 | 3 |
| 2022 | 2 | 1 |
| 2023 | 3 | 2 |
| 2024 | 2 | 5 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing α-olefin18 Aug 2026US 12,709,656 B2Idemitsu Kosan Co., Ltd.
- Apparatus and process for preparing polyalpha-olefins19 May 2026US 12,629,651 B2China Petroleum & Chemical Corporation
- Process for the production of renewable distillate-range hydrocarbons22 Apr 2025US 12,281,054 B2Chevron U.S.A.Inc.
- Process for the production of renewable distillate-range hydrocarbons23 Jul 2024US 12,043,589 B2Chevron U.S.A.Inc.
- Process and apparatus for producing poly-alpha-olefins9 Apr 2024US 11,952,323 B2Neste Oyj
- Tetramers of 1-octene and polyalphaolefin compositions produced therefrom20 Aug 2026US 2026/0242685 A1Chevron Phillips Chemical Company LP
- C20 trisubstituted olefins produced by acidic catalyzed reaction of c20 2-substituted alpha olefins18 Dec 2025US 2025/0382242 A1Chevron Phillips Chemical Company LP
- Method for producing alpha-olefin31 Oct 2024US 2024/0360254 A1Idemitsu Kosan Co., Ltd.
- Multiple product pathway from renewable oils to petroleum alternatives and lubricants comprising same10 Oct 2024US 2024/0336861 A1Evolve Lubricants, Inc.
- Process for the Production of Renewable Distillate-Range Hydrocarbons3 Oct 2024US 2024/0327314 A1Chevron U.S.A.Inc.
Most cited
By later US patents
- Olefin oligomerization with BF.sub.3 alcohol alkoxylate co-catalysts131US 5,068,487 AEthyl Corporation · 1991
- Manufacture of synthetic lubricant additives from low molecular weight olefins using boron trifluoride catalysts123US 4,413,156 ATexaco Inc. · 1983
- Continuous oligomerization process114US 4,239,930 APearsall Chemical Corporation · 1980
- Lubricant113US 4,218,330 AEthyl Corporation · 1980
- Lubricant104US 4,172,855 AEthyl Corporation · 1979