C07C 2527/054
Sulfuric acid or other acids with the formula h2sn03n+1
Official title: Sulfuric acid or other acids with the formula H2Sn03n+1
C07C2527/054 (Sulfuric acid or other acids with the formula h2sn03n+1) appears on 176 US grants and 100 published applications in this corpus.
Search patents in C07C- Granted patents
- 176
- Published applications
- 100
- Assignees
- 87
- Inventors
- 368
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 4 |
| 2004 | 3 | 9 |
| 2005 | 4 | 6 |
| 2006 | 7 | 3 |
| 2007 | 3 | 6 |
| 2008 | 3 | 6 |
| 2009 | 2 | 7 |
| 2010 | 3 | 6 |
| 2011 | 3 | 4 |
| 2012 | 7 | 5 |
| 2013 | 3 | 1 |
| 2014 | 3 | 5 |
| 2015 | 9 | 10 |
| 2016 | 4 | 4 |
| 2017 | 1 | 2 |
| 2018 | 3 | 6 |
| 2019 | 3 | 3 |
| 2020 | 4 | 3 |
| 2021 | 5 | 4 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Processes for the preparation of alkylbenzenes4 Mar 2025US 12,240,792 B2Univeristy of Kansas
- Alkylation reaction apparatus, reaction system, and liquid acid catalyzed alkylation reaction process6 Feb 2024US 11,890,589 B2China Petroleum & Chemical Corporation
- Process for separating alkylation product, alkylation reaction and separation process, and related apparatus19 Sep 2023US 11,759,726 B2China Petroleum & Chemical Corporation
- Sulfuric acid catalyzed alkylation process2 May 2023US 11,639,322 B2Uop LLC
- Alkylation process with thermal oxidation system8 Nov 2022US 11,492,306 B2Honeywell International Inc.
- Method for purifying 1-hexene29 Feb 2024US 2024/0067588 A1Sabic Global Technologies B.V.
- Processes for the preparation of alkylbenzenes12 Oct 2023US 2023/0322646 A1University of Kansas
- Sulfuric acid catalyzed alkylation process16 Mar 2023US 2023/0080919 A1Uop LLC
- Alkylation reaction apparatus, reaction system, and liquid acid catalyzed alkylation reaction process28 Apr 2022US 2022/0126252 A1China Petroleum & Chemical Corporation
- Alkylation process with thermal oxidation system31 Mar 2022US 2022/0098129 A1Honeywell International Inc.
Most cited
By later US patents
- Manufacture of high octane alkylate52US 6,768,035 B2Chevron U.S.A.Inc. · 2004
- Alkylation by controlling olefin ratios48US 6,194,625 B1Stratco, Inc. · 2001
- Method for the decomposition of cumene hydroperoxide by acidic catalyst to phenol and acetone46US 5,254,751 AGeneral Electric Company · 1993
- Process for preparation of lower aliphatic hydrocarbons45US 5,191,131 AResearch Association for Utilization of Light Oil · 1993
- Paraffin alkylation36US 7,250,542 B2Catalytic Distillation Technologies · 2007