C07H 15/20
Carbocyclic rings
C07H15/20 (Carbocyclic rings) appears on 2,235 US grants and 1,623 published applications in this corpus.
Search patents in C07H- Granted patents
- 2,235
- Published applications
- 1,623
- Assignees
- 960
- Inventors
- 4,838
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 54 | 0 |
| 1977 | 60 | 0 |
| 1978 | 47 | 0 |
| 1979 | 46 | 0 |
| 1980 | 101 | 0 |
| 1981 | 70 | 0 |
| 1982 | 73 | 0 |
| 1983 | 49 | 0 |
| 1984 | 59 | 0 |
| 1985 | 31 | 0 |
| 1986 | 29 | 0 |
| 1987 | 29 | 0 |
| 1988 | 17 | 0 |
| 1989 | 34 | 0 |
| 1990 | 47 | 0 |
| 1991 | 38 | 0 |
| 1992 | 46 | 0 |
| 1993 | 24 | 0 |
| 1994 | 28 | 0 |
| 1995 | 34 | 0 |
| 1996 | 35 | 0 |
| 1997 | 67 | 0 |
| 1998 | 53 | 0 |
| 1999 | 36 | 0 |
| 2000 | 44 | 0 |
| 2001 | 32 | 12 |
| 2002 | 25 | 33 |
| 2003 | 33 | 49 |
| 2004 | 31 | 47 |
| 2005 | 27 | 66 |
| 2006 | 31 | 50 |
| 2007 | 19 | 43 |
| 2008 | 22 | 44 |
| 2009 | 29 | 34 |
| 2010 | 30 | 47 |
| 2011 | 31 | 57 |
| 2012 | 30 | 76 |
| 2013 | 44 | 70 |
| 2014 | 66 | 87 |
| 2015 | 52 | 71 |
| 2016 | 59 | 83 |
| 2017 | 51 | 81 |
| 2018 | 57 | 83 |
| 2019 | 60 | 87 |
| 2020 | 67 | 95 |
| 2021 | 50 | 80 |
| 2022 | 50 | 82 |
| 2023 | 58 | 73 |
| 2024 | 47 | 82 |
| 2025 | 53 | 58 |
| 2026 | 30 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chemically cleavable group15 Sep 2026US 12,735,444 B2Tagworks Pharmaceuticals B.V.
- Stevia extracts8 Sep 2026US 12,727,609 B2PureCircle Sdn Bhd
- Prodrugs for sustained releasing therapeutic agents and uses thereof8 Sep 2026US 12,729,186 B2Liangjiang Medicine Co., Ltd.
- Semicarbazone-based saponin conjugate18 Aug 2026US 12,708,638 B2Sapreme Technologies B.V.
- High-purity steviol glycosides18 Aug 2026US 12,709,768 B2PureCircle USA Inc.
- Glycolipid derivative as mincle ligand1 Oct 2026US 2026/0295038 A1The University of Osaka
- Improved isolation of steviol glycosides1 Oct 2026US 2026/0297119 A1Dsm IP Assets B.V.
- Steviol glycoside solubility enhancers1 Oct 2026US 2026/0297120 A1Cargill, Incorporated
- Acylated dihydrochalcones, methods of production and uses thereof24 Sep 2026US 2026/0283205 A1Symrise AG
- Processes of producing volixibat and analogs thereof24 Sep 2026US 2026/0285895 A1Mirum Pharmaceuticals, Inc.
Most cited
By later US patents
- Saponin adjuvant520US 5,057,540 ACambridge Biotech Corporation · 1991
- Anthracycline conjugates having a novel linker and methods for their production315US 5,122,368 ABristol-Myers Squibb Company · 1992
- Process for preparing targeted forms of methyltrithio antitumor agents315US 5,770,701 AAmerican Cyanamid Company · 1998
- Antitumor and antibacterial substituted disulfide derivatives prepared from compounds possessing a methlytrithio group288US 5,770,710 AAmerican Cyanamid Company · 1998
- Targeted forms of methyltrithio antitumor agents215US 5,053,394 AAmerican Cyanamid Company · 1991