C07C 51/087
By hydrolysis
Official title: by hydrolysis
C07C51/087 (By hydrolysis) appears on 30 US grants and 28 published applications in this corpus.
Search patents in C07C- Granted patents
- 30
- Published applications
- 28
- Assignees
- 19
- Inventors
- 68
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 3 |
| 2018 | 3 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 3 | 2 |
| 2022 | 1 | 5 |
| 2023 | 2 | 0 |
| 2024 | 3 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Free polyunsaturated fatty acid-containing compositions and manufacturing method therefor31 Mar 2026US 12,590,266 B2Nissui Corporation
- Acidic elimination for bio-based aromatics25 Nov 2025US 12,479,787 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Free-polyunsaturated-fatty-acid-containing composition and method for manufacturing same8 Oct 2024US 12,110,473 B2Nissui Corporation
- Free polyunsaturated fatty acid-containing composition and manufacturing method therefor7 May 2024US 11,976,254 B2Nissui Corporation
- Diels-Alder ring-opening process19 Mar 2024US 11,932,616 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Maleic anhydride hydrogenation process and succinic acid production process comprising the same6 Feb 2025US 2025/0042867 A1Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Free-polyunsaturated-fatty-acid-containing composition and method for manufacturing same2 Jan 2025US 2025/0002808 A1Nissui Corporation
- Free Polyunsaturated Fatty Acid-Containing Compositions and Manufacturing Method Therefor1 Aug 2024US 2024/0254407 A1Nissui Corporation
- Acidic elimination for bio-based aromatics17 Nov 2022US 2022/0363624 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Free polyunsaturated fatty acid-containing composition and manufacturing method therefor3 Nov 2022US 2022/0348841 A1Nippon Suisan Kaisha, Ltd.
Most cited
By later US patents
- Method of purifying dianhydrides8US 7,495,113 B2Sabic Innovative Plastics · 2009
- Non-toxic solvent soluble group IV and V metal acid salt complexes using polyether acid anhydrides4US 6,054,600 ARaytheon Company · 2000
- Processes for purifying acetic and hydrating anhydride3US 9,908,835 B2Celanese International Corporation · 2018
- Trifluoromethylbenzyl containing quaternary salts2US 5,093,498 AMerck & Co., Inc. · 1992
- Carboxylic acid production process employing solvent from esterification of lignocellulosic material2US 8,455,680 B2Eastman Chemical Company · 2013