C07C 45/673
By change of size of the carbon skeleton
Official title: {by change of size of the carbon skeleton}
C07C45/673 (By change of size of the carbon skeleton) appears on 1,005 US grants and 272 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,005
- Published applications
- 272
- Assignees
- 363
- Inventors
- 1,743
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 20 | 0 |
| 1978 | 16 | 0 |
| 1979 | 26 | 0 |
| 1980 | 23 | 0 |
| 1981 | 27 | 0 |
| 1982 | 19 | 0 |
| 1983 | 25 | 0 |
| 1984 | 29 | 0 |
| 1985 | 40 | 0 |
| 1986 | 29 | 0 |
| 1987 | 33 | 0 |
| 1988 | 28 | 0 |
| 1989 | 37 | 0 |
| 1990 | 34 | 0 |
| 1991 | 26 | 0 |
| 1992 | 33 | 0 |
| 1993 | 33 | 0 |
| 1994 | 26 | 0 |
| 1995 | 24 | 0 |
| 1996 | 54 | 0 |
| 1997 | 59 | 0 |
| 1998 | 38 | 0 |
| 1999 | 37 | 0 |
| 2000 | 18 | 0 |
| 2001 | 30 | 8 |
| 2002 | 20 | 18 |
| 2003 | 19 | 19 |
| 2004 | 11 | 24 |
| 2005 | 12 | 10 |
| 2006 | 11 | 20 |
| 2007 | 12 | 10 |
| 2008 | 5 | 14 |
| 2009 | 9 | 14 |
| 2010 | 10 | 25 |
| 2011 | 10 | 9 |
| 2012 | 8 | 7 |
| 2013 | 7 | 6 |
| 2014 | 5 | 9 |
| 2015 | 10 | 8 |
| 2016 | 8 | 13 |
| 2017 | 8 | 3 |
| 2018 | 5 | 7 |
| 2019 | 7 | 7 |
| 2020 | 6 | 6 |
| 2021 | 3 | 5 |
| 2022 | 4 | 6 |
| 2023 | 2 | 5 |
| 2024 | 7 | 10 |
| 2025 | 5 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for preparing perfuming intermediate28 Apr 2026US 12,612,352 B2Firmenich SA
- Method for preparing intermediate for synthesis of sphingosine-1-phosphate receptor agonist13 Jan 2026US 12,522,554 B2LG Chem.Ltd.
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom16 Dec 2025US 12,497,374 B2Chirogate International Inc.
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom16 Dec 2025US 12,497,375 B2Chirogate International Inc.
- Method of depolymerising phenolic polymers15 Apr 2025US 12,275,697 B2Stellenbosch University
- Processes for the preparation of citral and interrelated products24 Sep 2026US 2026/0285794 A1BASF SE
- Process27 Aug 2026US 2026/0250230 A1Givaudan SA
- Process for preparing perfuming intermediate6 Aug 2026US 2026/0225984 A1Firmenich SA
- Fluoroalcohols as co-solvents for chemical synthesis and methods for producing the same7 Aug 2025US 2025/0250234 A1The University of Mississippi
- Process for preparing octahydro-2(1h)-naphthalenone derivatives29 May 2025US 2025/0171391 A1Firmenich SA
Most cited
By later US patents
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Compounds and methods for kinase modulation, and indications therefor151US 7,863,288 B2Plexxikon Inc. · 2011
- Compounds and methods for kinase modulation, and indications therefor118US 8,143,271 B2Plexxikon Inc. · 2012
- Heteroarylpiperidines, pyrrolidines and piperazines and their use as antipsychotics and analetics115US 5,364,866 AHoechst-Roussel Pharmaceuticals Inc. · 1994
- Antifertility compounds114US 4,230,862 AEli Lilly and Company · 1980