C07C 2527/03
Acids of sulfur other than sulfhydric acid or sulfuric acid
Official title: Acids of sulfur other than sulfhydric acid or sulfuric acid, e.g. halosulfonic acids
C07C2527/03 (Acids of sulfur other than sulfhydric acid or sulfuric acid) appears on 65 US grants and 27 published applications in this corpus.
Search patents in C07C- Granted patents
- 65
- Published applications
- 27
- Assignees
- 34
- Inventors
- 98
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 4 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for separating 2-alkylanthracenes and use thereof for producing hydrogen peroxide19 Aug 2025US 12,391,633 B2China Petroleum & Chemical Corporation
- Methods for making linear internal olefins from mixtures of linear and branched olefins6 Aug 2024US 12,054,443 B2Chevron Phillips Chemical Company LP
- Process for the controlled oligomerization of butenes26 Mar 2024US 11,939,289 B2Lummus Technology Inc.
- Process for the controlled oligomerization of butenes26 Apr 2022US 11,312,671 B2Lummus Technology Inc.
- Reverse acid and hydrocarbon cascading in alkylation29 Mar 2022US 11,286,215 B2Lummus Technology Inc.
- Methods for making linear internal olefins from mixtures of linear and branched olefins15 Feb 2024US 2024/0051900 A1Chevron Phillips Chemical Company LP
- Process for the controlled oligomerization of butenes4 May 2023US 2023/0133823 A1Lummus Technology Inc.
- Method for separating 2-alkylanthracenes and use thereof for producing hydrogen peroxide9 Jun 2022US 2022/0177392 A1China Petroleum & Chemical Corporation
- Process for the controlled oligomerization of butenes30 Dec 2021US 2021/0403398 A1Lummus Technology Inc.
- Reverse acid and hydrocarbon cascading in alkylation4 Mar 2021US 2021/0061731 A1Lummus Technology Inc.
Most cited
By later US patents
- Oxidative condensation of natural gas or methane into gasoline range hydrocarbons54US 4,465,893 A1984
- Condensation of natural gas or methane into gasoline range hydrocarbons49US 4,513,164 A1985
- Condensation of natural gas or methane into gasoline-range hydrocarbons40US 4,467,130 A1984
- Alkylation process40US 5,220,095 AHaldor Topsoe A/S · 1993
- Supported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions40US 5,607,890 AExxon Chemical Patents Inc. · 1997