C07C 2/62
With acids
Official title: with acids
C07C2/62 (With acids) appears on 422 US grants and 140 published applications in this corpus.
Search patents in C07C- Granted patents
- 422
- Published applications
- 140
- Assignees
- 82
- Inventors
- 483
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 21 | 0 |
| 1978 | 18 | 0 |
| 1979 | 9 | 0 |
| 1980 | 18 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 20 | 0 |
| 1994 | 29 | 0 |
| 1995 | 21 | 0 |
| 1996 | 17 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 4 |
| 2003 | 5 | 7 |
| 2004 | 4 | 9 |
| 2005 | 6 | 5 |
| 2006 | 5 | 7 |
| 2007 | 3 | 10 |
| 2008 | 6 | 9 |
| 2009 | 5 | 8 |
| 2010 | 8 | 10 |
| 2011 | 4 | 1 |
| 2012 | 8 | 5 |
| 2013 | 4 | 0 |
| 2014 | 4 | 2 |
| 2015 | 0 | 4 |
| 2016 | 5 | 7 |
| 2017 | 4 | 9 |
| 2018 | 5 | 14 |
| 2019 | 11 | 3 |
| 2020 | 3 | 4 |
| 2021 | 4 | 7 |
| 2022 | 5 | 5 |
| 2023 | 7 | 7 |
| 2024 | 4 | 2 |
| 2025 | 4 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid-acid catalyzed paraffin alkylation with rare earth-modified molecular sieve adsorbents19 May 2026US 12,630,489 B2Exelus, Inc.
- Flexible production of gasoline and jet fuel in alkylation reactor24 Mar 2026US 12,582,960 B2Lummus Technology Inc.
- Dividing wall column in alkylation process for reactor recycle and product separation27 May 2025US 12,312,289 B2Kellogg Brown & Root LLC
- Liquid-solid radial moving bed reaction device and solid acid alkylation method13 May 2025US 12,297,160 B2China Petroleum & Chemical Corporation
- Ionic liquid alkylation of isobutane with ethylene to produce alkylate25 Mar 2025US 12,258,302 B2Chevron U.S.A.Inc.
- System and method for alkylation of hydrocarbons23 Jul 2026US 2026/0208141 A1Valero Services, Inc.
- Ionic liquid alkylation of isobutane with ethylene to produce alkylate4 Jul 2024US 2024/0217897 A1Chevron U.S.A.Inc.
- Solid-Acid Catalyzed Paraffin Alkylation With Rare Earth-Modified Molecular Sieve Adsorbents14 Mar 2024US 2024/0083827 A1Exelus, Inc.
- Processes for the preparation of alkylbenzenes12 Oct 2023US 2023/0322646 A1University of Kansas
- Combined process for alkylation of light olefins using ionic liquid catalysts15 Jun 2023US 2023/0183150 A1Uop LLC
Most cited
By later US patents
- Solid catalyst alkylation process68US 5,895,831 AUop LLC · 1999
- Alkylation by controlling olefin ratios48US 6,194,625 B1Stratco, Inc. · 2001
- Alkylation process using an alkyl halide promoted ionic liquid catalyst45US 7,495,144 B2Chevron U.S.A.Inc. · 2009
- Alkylation process40US 5,220,095 AHaldor Topsoe A/S · 1993
- Process for alkylation of isoparaffin with olefin39US 6,492,571 B1China Petroleum Corporation · 2002