C07C 45/64
By introduction of functional groups containing oxygen only in singly bound form
Official title: by introduction of functional groups containing oxygen only in singly bound form
C07C45/64 (By introduction of functional groups containing oxygen only in singly bound form) appears on 343 US grants and 194 published applications in this corpus.
Search patents in C07C- Granted patents
- 343
- Published applications
- 194
- Assignees
- 207
- Inventors
- 925
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 11 | 0 |
| 1980 | 12 | 0 |
| 1981 | 15 | 0 |
| 1982 | 2 | 0 |
| 1983 | 12 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 0 |
| 2002 | 7 | 9 |
| 2003 | 5 | 2 |
| 2004 | 3 | 13 |
| 2005 | 4 | 9 |
| 2006 | 7 | 14 |
| 2007 | 5 | 3 |
| 2008 | 3 | 4 |
| 2009 | 8 | 6 |
| 2010 | 7 | 4 |
| 2011 | 4 | 3 |
| 2012 | 3 | 7 |
| 2013 | 4 | 3 |
| 2014 | 4 | 12 |
| 2015 | 12 | 11 |
| 2016 | 6 | 9 |
| 2017 | 3 | 4 |
| 2018 | 9 | 8 |
| 2019 | 8 | 9 |
| 2020 | 5 | 8 |
| 2021 | 5 | 7 |
| 2022 | 4 | 7 |
| 2023 | 4 | 9 |
| 2024 | 3 | 13 |
| 2025 | 9 | 11 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production of 2,2,4,4-tetramethylcyclobutane-1,3-diol from secondary alcohols and 2,2,4,4-tetramethylcyclobutanedione using homogeneous catalysts19 May 2026US 12,630,491 B2Eastman Chemical Company
- Muguet type fragrance compounds19 May 2026US 12,630,783 B2Symrise AG
- Processes and cataylsts for the selective hydrogenation of compounds having carbonyl carbon atoms24 Mar 2026US 12,583,831 B2Archer Daniels Midland Company
- Production of 2,2,4,4-tetramethylcyclobutane-1,3-diol from isobutanol using a homogeneous catalyst17 Mar 2026US 12,577,184 B2Eastman Chemical Company
- Method for preparing intermediate for synthesis of sphingosine-1-phosphate receptor agonist13 Jan 2026US 12,522,554 B2LG Chem.Ltd.
- Compound, composition, method for expressing sensitizing effect and production method8 Oct 2026US 2026/0308100 A1Mitsubishi Gas Chemical Company, Inc.
- Beta-alkoxy ketone having long-lasting fragrance and preparation method and use thereof1 Oct 2026US 2026/0297007 A1Guangzhou Flower Flavours Fragrances Co., Ltd
- Biphenyl compound, pharmaceutical composition, method for preparing same, and use thereof1 Oct 2026US 2026/0297017 A1Longivitron (Suzhou) Biotechnology Co., Ltd
- Manufacturing 2,3,5-trimethylhydroquinone from a mixture of mesitol and 2,3,6-trimethylphenol20 Aug 2026US 2026/0242317 A1Dsm IP Assets B.V.
- Method for preparing honokiol derivative and intermediate thereof20 Aug 2026US 2026/0242318 A1Beijing Jinrui Foundation Pharmaceutical Technology Co., Ltd.
Most cited
By later US patents
- Photosensitive hydroxyalkylphenones102US 4,347,111 AMerck Patent GmbH · 1982
- Photosensitive hydroxylalkylphenones95US 4,721,734 AMerck Patent GmbH · 1988
- Treprostinil production72US 8,481,782 B2United Therapeutics Corporation · 2013
- Branched amides of L-aspartyl-d-amino acid dipeptides70US 4,411,925 APfizer Inc. · 1983
- Aromatic-aliphatic ketones useful as photoinitiators66US 4,496,447 AMerck Patent Gesellschaft mit beschraenkter Haftung · 1985