C07C 41/05
By addition of compounds to unsaturated compounds
Official title: by addition of compounds to unsaturated compounds
C07C41/05 (By addition of compounds to unsaturated compounds) appears on 715 US grants and 340 published applications in this corpus.
Search patents in C07C- Granted patents
- 715
- Published applications
- 340
- Assignees
- 236
- Inventors
- 1,318
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 11 | 0 |
| 1980 | 15 | 0 |
| 1981 | 20 | 0 |
| 1982 | 15 | 0 |
| 1983 | 14 | 0 |
| 1984 | 16 | 0 |
| 1985 | 18 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 15 | 0 |
| 1989 | 23 | 0 |
| 1990 | 18 | 0 |
| 1991 | 29 | 0 |
| 1992 | 32 | 0 |
| 1993 | 37 | 0 |
| 1994 | 27 | 0 |
| 1995 | 29 | 0 |
| 1996 | 19 | 0 |
| 1997 | 20 | 0 |
| 1998 | 31 | 0 |
| 1999 | 16 | 0 |
| 2000 | 21 | 0 |
| 2001 | 14 | 3 |
| 2002 | 8 | 7 |
| 2003 | 8 | 7 |
| 2004 | 4 | 9 |
| 2005 | 5 | 10 |
| 2006 | 10 | 12 |
| 2007 | 4 | 13 |
| 2008 | 7 | 20 |
| 2009 | 9 | 13 |
| 2010 | 12 | 10 |
| 2011 | 4 | 12 |
| 2012 | 4 | 9 |
| 2013 | 5 | 22 |
| 2014 | 17 | 18 |
| 2015 | 21 | 19 |
| 2016 | 15 | 15 |
| 2017 | 11 | 12 |
| 2018 | 11 | 11 |
| 2019 | 9 | 6 |
| 2020 | 7 | 8 |
| 2021 | 6 | 20 |
| 2022 | 18 | 28 |
| 2023 | 9 | 18 |
| 2024 | 13 | 14 |
| 2025 | 10 | 13 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalytic method for the preparation of perfluoroalkoxy-substituted arenes and heteroarenes6 Oct 2026US 12,753,139 B2Freie UniversitäT Berlin
- Biofuel and method of synthesis of the same14 Jul 2026US 12,680,039 B2Colabit Sweden AB
- Method for the preparation of 1,2-propanediol, dipropylene glycol and tripropylene glycol7 Jul 2026US 12,673,912 B2Evonik Operations GmbH
- Method for the preparation of 1,2-propanediol and dipropylene glycol30 Jun 2026US 12,668,560 B2Evonik Operations GmbH
- Process for making ethers from ethanol9 Jun 2026US 12,649,886 B2The Trustees of Princeton University
- Systems and process for the production of hydrocarbon products from crude oil27 Aug 2026US 2026/0250584 A1Sabic Global Technologies B.V.
- Systems and process for the production of hydrocarbon products27 Aug 2026US 2026/0250585 A1Sabic Global Technologies B.V.
- Metallosilicate catalyst solvents13 Aug 2026US 2026/0233208 A1
- Terpenol ethers23 Jul 2026US 2026/0209150 A1
- Terpenol ethers23 Jul 2026US 2026/0209151 A1P2 Science, Inc.
Most cited
By later US patents
- Catalytic distillation process146US 4,232,177 AChemical Research & Licensing Company · 1980
- Process for producing light olefins from crude methanol133US 5,714,662 AUop LLC · 1998
- Catalytic distillation process107US 4,307,254 AChemical Research & Licensing Company · 1981
- Flexible light olefins production100US 5,523,502 AStone & Webster Engineering Corp. · 1996
- Integrated process for producing ethanol, methanol and butyl ethers89US 5,070,016 ARevolution Fuels of America, Inc. · 1991