C07C 51/25
Of unsaturated compounds containing no six-membered aromatic ring
Official title: of unsaturated compounds containing no six-membered aromatic ring
C07C51/25 (Of unsaturated compounds containing no six-membered aromatic ring) appears on 1,050 US grants and 667 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,050
- Published applications
- 667
- Assignees
- 227
- Inventors
- 1,366
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 34 | 0 |
| 1978 | 50 | 0 |
| 1979 | 38 | 0 |
| 1980 | 24 | 0 |
| 1981 | 42 | 0 |
| 1982 | 34 | 0 |
| 1983 | 22 | 0 |
| 1984 | 26 | 0 |
| 1985 | 28 | 0 |
| 1986 | 18 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 14 | 0 |
| 1993 | 17 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 15 |
| 2002 | 36 | 36 |
| 2003 | 32 | 38 |
| 2004 | 38 | 65 |
| 2005 | 22 | 60 |
| 2006 | 45 | 39 |
| 2007 | 38 | 54 |
| 2008 | 41 | 38 |
| 2009 | 34 | 30 |
| 2010 | 24 | 36 |
| 2011 | 25 | 27 |
| 2012 | 30 | 15 |
| 2013 | 28 | 16 |
| 2014 | 13 | 21 |
| 2015 | 25 | 24 |
| 2016 | 20 | 27 |
| 2017 | 20 | 11 |
| 2018 | 15 | 11 |
| 2019 | 10 | 10 |
| 2020 | 11 | 12 |
| 2021 | 7 | 11 |
| 2022 | 10 | 13 |
| 2023 | 3 | 11 |
| 2024 | 7 | 26 |
| 2025 | 2 | 13 |
| 2026 | 16 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-stage preparation process for α,ß-ethylenically unsaturated carboxylic acids and plant for the purpose1 Sep 2026US 12,723,015 B2BASF SE
- Method for producing (meth)acrolein and method for producing (meth)acrylic acid25 Aug 2026US 12,715,833 B2Mitsubishi Chemical Corporation
- Method for producing acrylic acid18 Aug 2026US 12,709,591 B2Nippon Shokubai Co., Ltd.
- Catalyst28 Jul 2026US 12,691,438 B2Mitsubishi Chemical Corporation
- Co-production of monomers, including at least one bio-based monomer28 Jul 2026US 12,692,217 B2Archer Daniels Midland Company
- Systems and methods for production of acrylic acid30 Jul 2026US 2026/0217637 A1
- Method for preparing acrylic acid30 Jul 2026US 2026/0217639 A1LG Chem.Ltd.
- Catalyst and method for producing compound using same23 Jul 2026US 2026/0208169 A1Nippon Kayaku Kabushiki Kaisha
- Method for preparation of acrylic acid2 Jul 2026US 2026/0184661 A1LG Chem.Ltd.
- Dehydration catalysts for acrolein production from glycerol and methods for forming the same18 Jun 2026US 2026/0166525 A1Trillium Renewable Chemicals
Most cited
By later US patents
- Integrated process for the production of vinyl acetate and/or acetic acid118US 6,040,474 ABP Chemicals Limited · 2000
- Catalytic gas-phase oxidation of acrolein to acrylic acid79US 5,739,391 ABASF SE · 1998
- Methods for producing unsaturated carboxylic acids and unsaturated nitriles78US 6,710,207 B2Rohm and Haas Company · 2004
- Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid76US 5,198,578 APlastics Technology Corporation · 1993
- Process for forming multi-component oxide complex catalysts73US 4,148,757 AThe Standard Oil Company · 1979