C07C 5/2767
Changing the number of side-chains
Official title: {Changing the number of side-chains}
C07C5/2767 (Changing the number of side-chains) appears on 560 US grants and 304 published applications in this corpus.
Search patents in C07C- Granted patents
- 560
- Published applications
- 304
- Assignees
- 166
- Inventors
- 997
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 11 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 4 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 17 | 0 |
| 1990 | 12 | 0 |
| 1991 | 14 | 0 |
| 1992 | 15 | 0 |
| 1993 | 17 | 0 |
| 1994 | 14 | 0 |
| 1995 | 22 | 0 |
| 1996 | 23 | 0 |
| 1997 | 17 | 0 |
| 1998 | 20 | 0 |
| 1999 | 12 | 0 |
| 2000 | 15 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 2 |
| 2003 | 6 | 5 |
| 2004 | 4 | 7 |
| 2005 | 1 | 11 |
| 2006 | 7 | 3 |
| 2007 | 9 | 14 |
| 2008 | 7 | 10 |
| 2009 | 9 | 6 |
| 2010 | 4 | 10 |
| 2011 | 13 | 13 |
| 2012 | 9 | 7 |
| 2013 | 4 | 18 |
| 2014 | 13 | 15 |
| 2015 | 8 | 40 |
| 2016 | 19 | 28 |
| 2017 | 25 | 23 |
| 2018 | 18 | 20 |
| 2019 | 24 | 10 |
| 2020 | 14 | 17 |
| 2021 | 13 | 16 |
| 2022 | 14 | 10 |
| 2023 | 4 | 5 |
| 2024 | 6 | 6 |
| 2025 | 4 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Molecular sieve SSZ-94, catalyst, and methods of use thereof12 May 2026US 12,623,910 B2Chevron U.S.A.Inc.
- Catalyst based on IZM-2 zeolite with a low content of alkali metal, and use thereof for the isomerization of aromatic C8 cuts2 Sep 2025US 12,403,459 B2Ifp Energies Nouvelles
- Processes for converting C4 feeds to isobutylene, polyisobutylene, or derivatives thereof1 Apr 2025US 12,264,208 B2NTP Tec, LLC
- Method and apparatus for selective alcohol upgrading18 Mar 2025US 12,252,462 B2Air Company Holdings, Inc.
- Process for the manufacture of diesel range hydrocarbons21 Jan 2025US 12,203,035 B2Neste Oyj
- *MRE-based catalysts for olefin skeletal isomerization30 Jul 2026US 2026/0217628 A1
- Processes and catalysts for linear alpha-olefin purification28 May 2026US 2026/0146012 A1Sabic Global Technologies B.V.
- Method for dehydrating a feedstock comprising an alcohol for the production of alkenes5 Mar 2026US 2026/0061405 A1Ifp Energies Nouvelles
- Iron containing ssz-42 molecular sieve catalyst for hydroprocessing5 Mar 2026US 2026/0061406 A1Chevron U.S.A.Inc.
- Method and apparatus for selective alcohol upgrading5 Jun 2025US 2025/0178992 A1Air Company Holdings, Inc.
Most cited
By later US patents
- Zeolite SSZ-25272US 4,826,667 AChevron Research Company · 1989
- Zeolite ITQ-1169US 6,077,498 AConsejo Superior Investigaciones Cientificas · 2000
- Process for isomerizing linear olefins to isoolefins97US 5,510,306 AShell Oil Company · 1996
- Alkylation/transalkylation process80US 4,870,222 AUop LLC · 1989
- Alkylation using zeolite SSZ-2579US 5,149,894 AChevron Research and Technology Company · 1992