C07C 51/377
By splitting-off hydrogen or functional groups
Official title: by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups {(C07C51/36 - C07C51/373 take precedence)}
C07C51/377 (By splitting-off hydrogen or functional groups) appears on 657 US grants and 464 published applications in this corpus.
Search patents in C07C- Granted patents
- 657
- Published applications
- 464
- Assignees
- 322
- Inventors
- 1,395
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 10 | 0 |
| 1978 | 10 | 0 |
| 1979 | 15 | 0 |
| 1980 | 11 | 0 |
| 1981 | 17 | 0 |
| 1982 | 16 | 0 |
| 1983 | 20 | 0 |
| 1984 | 10 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 21 | 0 |
| 1994 | 8 | 0 |
| 1995 | 15 | 0 |
| 1996 | 8 | 0 |
| 1997 | 14 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 1 |
| 2002 | 8 | 4 |
| 2003 | 5 | 18 |
| 2004 | 8 | 12 |
| 2005 | 9 | 12 |
| 2006 | 11 | 7 |
| 2007 | 6 | 11 |
| 2008 | 7 | 7 |
| 2009 | 3 | 10 |
| 2010 | 7 | 17 |
| 2011 | 8 | 13 |
| 2012 | 16 | 17 |
| 2013 | 13 | 38 |
| 2014 | 20 | 36 |
| 2015 | 32 | 31 |
| 2016 | 38 | 34 |
| 2017 | 26 | 34 |
| 2018 | 36 | 39 |
| 2019 | 26 | 14 |
| 2020 | 20 | 22 |
| 2021 | 17 | 17 |
| 2022 | 7 | 7 |
| 2023 | 7 | 17 |
| 2024 | 5 | 16 |
| 2025 | 3 | 20 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for preparing an acrylic acid16 Jun 2026US 12,655,084 B2LG Chem.Ltd.
- Method for producing acrylic acid7 Apr 2026US 12,595,224 B2LG Chem.Ltd.
- System and process for anthraquinone functionalization7 Apr 2026US 12,595,574 B2President and Fellows of Harvard College
- Method for preparing acrylic acid24 Mar 2026US 12,583,812 B2LG Chem.Ltd.
- Process for producing acrylic acid10 Mar 2026US 12,570,596 B2LG Chem.Ltd.
- Process27 Aug 2026US 2026/0250230 A1Givaudan SA
- Method for producing diamine and dicarboxylic acid, method for recycling polyamide, and polyamide6 Aug 2026US 2026/0225993 A1Asahi Kasei Kabushiki Kaisha
- Method for Producing Acrylic Acid Through Dehydration of Lactic Acid and Apparatus for Manufacturing the Same30 Jul 2026US 2026/0217638 A1LG Chem.Ltd.
- Material comprising a silica shaped by extrusion with a phosphopotassium or cesium phosphate binder and having improved mechanical properties, and process for the preparation thereof18 Jun 2026US 2026/0166531 A1Ifp Energies Nouvelles
- Antifungal diferulic acid formulation containing poacic acid and poacidiene, method for production, and method of using same28 May 2026US 2026/0144255 A1Wisconsin Alumni Research Foundation
Most cited
By later US patents
- Organometallic fluorenyl compounds, preparation, and use147US 5,436,305 APhillips Petroleum Company · 1995
- Vinly-substituted bridged metallocenes111US 5,565,592 APhillips Petroleum Company · 1996
- Organometallic fluorenyl compounds and use thereof in an alpha-olefin polymerization process111US 5,571,880 APhillips Petroleum Company · 1996
- Process for producing broad molecular weight polyolefin107US 5,594,078 APhillips Petroleum Company · 1997
- Cyclopentadiene type compounds and method for making103US 5,191,132 APhillips Petroleum Company · 1993