C07C 55/10
Succinic acid
C07C55/10 (Succinic acid) appears on 121 US grants and 200 published applications in this corpus.
Search patents in C07C- Granted patents
- 121
- Published applications
- 200
- Assignees
- 158
- Inventors
- 675
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 3 |
| 2010 | 1 | 6 |
| 2011 | 2 | 8 |
| 2012 | 1 | 9 |
| 2013 | 4 | 8 |
| 2014 | 6 | 7 |
| 2015 | 8 | 9 |
| 2016 | 5 | 9 |
| 2017 | 7 | 11 |
| 2018 | 7 | 15 |
| 2019 | 8 | 9 |
| 2020 | 13 | 7 |
| 2021 | 3 | 7 |
| 2022 | 4 | 8 |
| 2023 | 3 | 18 |
| 2024 | 5 | 20 |
| 2025 | 8 | 16 |
| 2026 | 7 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Psilocybin analogs, salts, compositions, and methods of use15 Sep 2026US 12,735,386 B2Cybin IRL Limited
- Salts of nitrogen-containing heterocyclic compound, and solid forms of salts, pharmaceutical composition and use thereof26 May 2026US 12,637,470 B2Wuhan Humanwell Innovative Drug Research and Development Center Limited Company
- Crystalline salt forms of mesembrine7 Apr 2026US 12,595,231 B2Kanna Health LTD
- Co-crystal forms of selinexor24 Feb 2026US 12,559,478 B2Karyopharm Therapeutics Inc.
- Hexylamine salts and methods of using hexylamine27 Jan 2026US 12,533,327 B2ThermoLife International, LLC
- Method of synthesis8 Oct 2026US 2026/0308107 A1Mitocholine Ltd.
- Salts and solid forms of elenestinib17 Sep 2026US 2026/0274850 A1Assia Chemical Industries Ltd.
- Co-crystal forms of selinexor3 Sep 2026US 2026/0258017 A1Karyopharm Therapeutics Inc.
- Psilocybin analogs, salts, compositions, and methods of use27 Aug 2026US 2026/0250246 A1Cybin IRL Limited
- Non-covalent dimer cation of purine/pyrimidine and amino acid, salt thereof, preparation method therefor, and use thereof13 Aug 2026US 2026/0234153 A1Suzhou Protonation Chain Biotechnology Co., Ltd
Most cited
By later US patents
- Manufacture of butanediol and/or tetrahydrofuran from maleic and/or succinic anhydride via .gamma.- butyrolactone97US 4,048,196 ABASF SE · 1977
- Hydrothermally treated product of compound having hydrotalcite-like crystal structure composition thereof, and use thereof33US 4,629,626 AKyowa Chemical Industry Co., Ltd. · 1986
- Method for production of ultra-fine gold particle-immobilized oxides30US 5,051,394 AAgency of Industrial Science and Technology · 1991
- Method for extracting tobacco alkaloids27US 5,119,835 AB.A.T. Cigarettenfabriken GmbH · 1992
- Succinate salt of O-desmethyl-venlafaxine26US 6,673,838 B2Wyeth · 2004