C07C 5/27
Rearrangement of carbon atoms in the hydrocarbon skeleton
C07C5/27 (Rearrangement of carbon atoms in the hydrocarbon skeleton) appears on 1,378 US grants and 781 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,378
- Published applications
- 781
- Assignees
- 293
- Inventors
- 2,000
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 24 | 0 |
| 1978 | 40 | 0 |
| 1979 | 16 | 0 |
| 1980 | 25 | 0 |
| 1981 | 22 | 0 |
| 1982 | 30 | 0 |
| 1983 | 27 | 0 |
| 1984 | 28 | 0 |
| 1985 | 25 | 0 |
| 1986 | 17 | 0 |
| 1987 | 25 | 0 |
| 1988 | 33 | 0 |
| 1989 | 36 | 0 |
| 1990 | 39 | 0 |
| 1991 | 31 | 0 |
| 1992 | 25 | 0 |
| 1993 | 26 | 0 |
| 1994 | 22 | 0 |
| 1995 | 29 | 0 |
| 1996 | 35 | 0 |
| 1997 | 25 | 0 |
| 1998 | 32 | 0 |
| 1999 | 21 | 0 |
| 2000 | 38 | 0 |
| 2001 | 21 | 5 |
| 2002 | 23 | 15 |
| 2003 | 24 | 16 |
| 2004 | 14 | 36 |
| 2005 | 16 | 25 |
| 2006 | 20 | 18 |
| 2007 | 20 | 26 |
| 2008 | 29 | 25 |
| 2009 | 23 | 18 |
| 2010 | 12 | 31 |
| 2011 | 24 | 30 |
| 2012 | 21 | 25 |
| 2013 | 11 | 39 |
| 2014 | 29 | 44 |
| 2015 | 31 | 77 |
| 2016 | 47 | 46 |
| 2017 | 45 | 39 |
| 2018 | 44 | 47 |
| 2019 | 50 | 35 |
| 2020 | 42 | 37 |
| 2021 | 28 | 39 |
| 2022 | 34 | 37 |
| 2023 | 22 | 27 |
| 2024 | 21 | 19 |
| 2025 | 15 | 11 |
| 2026 | 6 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 5/2767Changing the number of side-chains560
- C07C 5/2702Catalytic processes not covered by c07c5/2732 - c07c5/31547
- C07C 5/2729Changing the branching point of an open chain or the point of365
- C07C 5/31Changing the number of rings88
- C07C 5/29Changing the number of carbon atoms in a ring while maintaining the55
Recent patents
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- Method for upgrading bio-based material and upgraded material10 Sep 2026US 2026/0265614 A1Neste Oyj
- Production of P-Xylene by Liquid-Phase Isomerization in the Presence of C9+ Aromatic Hydrocarbons and Separation Thereof27 Aug 2026US 2026/0250219 A1
- *MRE-based catalysts for olefin skeletal isomerization30 Jul 2026US 2026/0217628 A1
- Cascaded methods and systems for enriching n-pentane in natural gas liquid feedstock23 Jul 2026US 2026/0209621 A1Sabic Global Technologies B.V.
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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
- Zeolite ITQ-1169US 6,077,498 AConsejo Superior Investigaciones Cientificas · 2000