C07C 41/48
Preparation of compounds having [image cpc-sch-c07c-0958.gif] groups
Official title: Preparation of compounds having [IMAGE cpc-sch-C07C-0958.gif] groups
C07C41/48 (Preparation of compounds having [image cpc-sch-c07c-0958.gif] groups) appears on 444 US grants and 247 published applications in this corpus.
Search patents in C07C- Granted patents
- 444
- Published applications
- 247
- Assignees
- 251
- Inventors
- 967
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 12 | 0 |
| 1979 | 21 | 0 |
| 1980 | 19 | 0 |
| 1981 | 17 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 18 | 0 |
| 2001 | 10 | 2 |
| 2002 | 9 | 7 |
| 2003 | 10 | 8 |
| 2004 | 6 | 9 |
| 2005 | 5 | 4 |
| 2006 | 3 | 9 |
| 2007 | 5 | 4 |
| 2008 | 1 | 10 |
| 2009 | 7 | 9 |
| 2010 | 12 | 15 |
| 2011 | 4 | 11 |
| 2012 | 7 | 10 |
| 2013 | 6 | 8 |
| 2014 | 10 | 19 |
| 2015 | 20 | 12 |
| 2016 | 15 | 7 |
| 2017 | 8 | 11 |
| 2018 | 7 | 4 |
| 2019 | 7 | 11 |
| 2020 | 6 | 9 |
| 2021 | 9 | 12 |
| 2022 | 10 | 14 |
| 2023 | 8 | 14 |
| 2024 | 7 | 14 |
| 2025 | 8 | 6 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for preparing indene acryladehyde derivatives24 Mar 2026US 12,583,809 B2Firmenich SA
- Sustainable process for the manufacture of 1,1,4,4-tetramethoxy-2-butene6 Jan 2026US 12,516,009 B2Dsm IP Assets B.V.
- 11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound25 Nov 2025US 12,479,786 B2Shin-Etsu Chemical Co., Ltd.
- Process for obtaining isobutene from a C4-hydrocarbon mixture21 Oct 2025US 12,448,342 B2BASF SE
- Method for purifying (hydro)halocarbon by reduced pressure distillation from azeotropic or azeotropic-like composition21 Oct 2025US 12,448,343 B2Central Glass Company, Limited
- Compound, composition, method for expressing sensitizing effect and production method8 Oct 2026US 2026/0308100 A1Mitsubishi Gas Chemical Company, Inc.
- Processes for the preparation of citral and interrelated products24 Sep 2026US 2026/0285794 A1BASF SE
- A process for preparing 2,2-dimethoxypropane17 Sep 2026US 2026/0274778 A1Aditya Birla Chemicals (Thailand) Ltd.
- Process for at least partially removing aldehydes from a composition containing at least one compound having at least one alkylene oxide unit10 Sep 2026US 2026/0263965 A1Zschimmer & Schwarz Chemie GmbH
- Method for producing compound, polymer, composition, and pattern formation method23 Jul 2026US 2026/0209160 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Physiologically acceptable emulsions containing perfluorocarbon ether hydrides and methods of use99US 5,567,765 AMinnesota Mining and Manufacturing Company · 1996
- Fluorine containing vinyl ethers99US 6,255,536 B13M Innovative Properties Company · 2001
- Physiologically acceptable emulsions containing perfluorocarbon ether hydrides and methods for use82US 5,502,094 AMinnesota Mining and Manufacturing Company · 1996
- Liquid phase fluorination77US 5,093,432 AExfluor Research Corporation · 1992
- Manufacture of alcohols64US 7,700,814 B2ExxonMobil Chemical Patents Inc. · 2010