C07C 5/22
Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
Official title: by isomerisation (with simultaneous hydrogenation C07C5/13; with simultaneous dehydrogenation C07C5/373)
C07C5/22 (Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms) appears on 1,887 US grants and 1,110 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,887
- Published applications
- 1,110
- Assignees
- 393
- Inventors
- 2,798
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 48 | 0 |
| 1977 | 33 | 0 |
| 1978 | 56 | 0 |
| 1979 | 27 | 0 |
| 1980 | 37 | 0 |
| 1981 | 33 | 0 |
| 1982 | 37 | 0 |
| 1983 | 40 | 0 |
| 1984 | 32 | 0 |
| 1985 | 38 | 0 |
| 1986 | 30 | 0 |
| 1987 | 38 | 0 |
| 1988 | 49 | 0 |
| 1989 | 46 | 0 |
| 1990 | 47 | 0 |
| 1991 | 43 | 0 |
| 1992 | 32 | 0 |
| 1993 | 33 | 0 |
| 1994 | 34 | 0 |
| 1995 | 34 | 0 |
| 1996 | 41 | 0 |
| 1997 | 33 | 0 |
| 1998 | 43 | 0 |
| 1999 | 33 | 0 |
| 2000 | 46 | 0 |
| 2001 | 31 | 8 |
| 2002 | 31 | 25 |
| 2003 | 32 | 25 |
| 2004 | 21 | 49 |
| 2005 | 24 | 29 |
| 2006 | 25 | 30 |
| 2007 | 21 | 39 |
| 2008 | 37 | 32 |
| 2009 | 30 | 30 |
| 2010 | 15 | 42 |
| 2011 | 35 | 41 |
| 2012 | 24 | 33 |
| 2013 | 17 | 51 |
| 2014 | 37 | 59 |
| 2015 | 42 | 87 |
| 2016 | 54 | 61 |
| 2017 | 58 | 47 |
| 2018 | 56 | 63 |
| 2019 | 69 | 44 |
| 2020 | 50 | 56 |
| 2021 | 44 | 65 |
| 2022 | 56 | 57 |
| 2023 | 37 | 46 |
| 2024 | 37 | 37 |
| 2025 | 28 | 24 |
| 2026 | 13 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for providing a stream comprising a high proportion of 2,4,4-trimethylpent-1-ene22 Sep 2026US 12,741,916 B2Evonik Oxeno GmbH
- Method for purifying 1-hexene8 Sep 2026US 12,729,170 B2Sabic Global Technologies B.V.
- Continuous process for the preparation of exo-tetrahydrodicyclopentadiene8 Sep 2026US 12,729,171 B2China Petroleum & Chemical Corporation
- Internal olefin production method18 Aug 2026US 12,709,588 B2Kao Corporation
- Processes for producing poly alpha olefins and method of analysis and apparatuses therefor4 Aug 2026US 12,698,245 B2ExxonMobil Chemical Patents Inc.
- Method for upgrading bio-based material and upgraded material10 Sep 2026US 2026/0265614 A1Neste Oyj
- Isomerization and disproportionation catalyst composition3 Sep 2026US 2026/0257203 A1Shell Oil Company
- Production of P-Xylene by Liquid-Phase Isomerization in the Presence of C9+ Aromatic Hydrocarbons and Separation Thereof27 Aug 2026US 2026/0250219 A1
- Systems and process for the production of hydrocarbon products from crude oil27 Aug 2026US 2026/0250584 A1Sabic Global Technologies B.V.
- Highly efficient and stable lycopene cis-isomerization method20 Aug 2026US 2026/0242309 A1China Pharmaceutical University
Most cited
By later US patents
- Crystalline silicoaluminophosphates925US 4,440,871 AUnion Carbide Corporation · 1984
- Crystalline metallophosphate compositions556US 4,310,440 AUnion Carbide Corporation · 1982
- Zeolite SSZ-25272US 4,826,667 AChevron Research Company · 1989
- Crystalline metal aluminophosphates260US 4,567,029 AUnion Carbide Corporation · 1986
- Titanium-containing molecular sieves201US 4,500,651 AUnion Carbide Corporation · 1985