C07C 5/2729
Changing the branching point of an open chain or the point of
Official title: {Changing the branching point of an open chain or the point of substitution on a ring}
C07C5/2729 (Changing the branching point of an open chain or the point of) appears on 365 US grants and 307 published applications in this corpus.
Search patents in C07C- Granted patents
- 365
- Published applications
- 307
- Assignees
- 101
- Inventors
- 641
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 13 | 0 |
| 1983 | 11 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 4 |
| 2003 | 1 | 1 |
| 2004 | 5 | 11 |
| 2005 | 6 | 7 |
| 2006 | 4 | 3 |
| 2007 | 9 | 8 |
| 2008 | 7 | 6 |
| 2009 | 3 | 5 |
| 2010 | 4 | 15 |
| 2011 | 10 | 11 |
| 2012 | 9 | 14 |
| 2013 | 5 | 17 |
| 2014 | 11 | 18 |
| 2015 | 23 | 48 |
| 2016 | 26 | 22 |
| 2017 | 18 | 21 |
| 2018 | 25 | 21 |
| 2019 | 19 | 11 |
| 2020 | 19 | 15 |
| 2021 | 14 | 17 |
| 2022 | 10 | 13 |
| 2023 | 9 | 8 |
| 2024 | 7 | 4 |
| 2025 | 6 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Removal of C3 lights from LPG feedstock to butane isomerization unit12 May 2026US 12,623,987 B2Sabic Global Technologies B.V.
- Heteroatom-doped zeolites for bifunctional catalytic applications2 Dec 2025US 12,485,406 B2ExxonMobil Technology and Engineering Company
- Systems and methods for producing high purity aromatics from a mixed aromatic feed stream4 Nov 2025US 12,459,879 B2Virent, Inc.
- Processes for converting C8 aromatic hydrocarbons9 Sep 2025US 12,410,111 B2ExxonMobil Chemical Patents Inc.
- Method of improving selective hydrogenation of unsaturated hydrocarbon in aromatic fraction through catalyst pretreatment1 Apr 2025US 12,263,470 B2SK Geo Centric Co., Ltd.
- Production of P-Xylene by Liquid-Phase Isomerization in the Presence of C9+ Aromatic Hydrocarbons and Separation Thereof27 Aug 2026US 2026/0250219 A1
- Recycled content hydrocarbon from a resin facility to recycled content paraxylene19 Feb 2026US 2026/0049253 A1Eastman Chemical Company
- Recycled content metaxylene and related chemical compounds from waste plastic5 Feb 2026US 2026/0035330 A1Eastman Chemical Company
- Production of P-Xylene by Liquid-Phase Isomerization and Separation Thereof20 Nov 2025US 2025/0353800 A1ExxonMobil Chemical Patents Inc.
- An integrated process to produce phenol from coal derived liquid19 Jun 2025US 2025/0197331 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Hydrocarbon conversion process and catalyst useful therein79US 6,811,684 B2ExxonMobil Chemical Patents Inc. · 2004
- Hydrocarbon conversion61US 3,992,466 AMobil Oil Corporation · 1976
- Zeolites61US 5,385,718 AImperial Chemical Industries PLC · 1995
- Zeolite NU-85 catalyst61US 5,464,799 AImperial Chemical Industries PLC · 1995
- Crystalline borosilicate and process of preparation58US 4,269,813 AStandard Oil Company (Indiana) · 1981