C07C 45/35
In propene or isobutene
Official title: in propene or isobutene
C07C45/35 (In propene or isobutene) appears on 543 US grants and 313 published applications in this corpus.
Search patents in C07C- Granted patents
- 543
- Published applications
- 313
- Assignees
- 152
- Inventors
- 886
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 21 | 0 |
| 1978 | 10 | 0 |
| 1979 | 16 | 0 |
| 1980 | 16 | 0 |
| 1981 | 12 | 0 |
| 1982 | 13 | 0 |
| 1983 | 7 | 0 |
| 1984 | 10 | 0 |
| 1985 | 15 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 3 | 0 |
| 1992 | 13 | 0 |
| 1993 | 16 | 0 |
| 1994 | 10 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 7 |
| 2002 | 18 | 11 |
| 2003 | 11 | 11 |
| 2004 | 14 | 35 |
| 2005 | 13 | 39 |
| 2006 | 21 | 16 |
| 2007 | 24 | 29 |
| 2008 | 22 | 23 |
| 2009 | 21 | 10 |
| 2010 | 12 | 13 |
| 2011 | 9 | 10 |
| 2012 | 11 | 7 |
| 2013 | 14 | 9 |
| 2014 | 9 | 12 |
| 2015 | 14 | 15 |
| 2016 | 15 | 15 |
| 2017 | 14 | 3 |
| 2018 | 6 | 8 |
| 2019 | 4 | 4 |
| 2020 | 4 | 6 |
| 2021 | 4 | 4 |
| 2022 | 5 | 5 |
| 2023 | 2 | 5 |
| 2024 | 3 | 9 |
| 2025 | 0 | 4 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing (meth)acrolein and method for producing (meth)acrylic acid25 Aug 2026US 12,715,833 B2Mitsubishi Chemical Corporation
- Catalyst28 Jul 2026US 12,691,438 B2Mitsubishi Chemical Corporation
- Process for the continuous production of either acrolein or acrylic acid as the target product from propene9 Jun 2026US 12,649,710 B2BASF SE
- Manufacturing method for molybdenum-bismuth composite metal oxide28 Apr 2026US 12,611,656 B2LG Chem.Ltd.
- Shaped catalyst body with improved properties, its preparation and use6 Jan 2026US 12,515,204 B2BASF SE
- Method for producing unsaturated aldehyde and device for producing unsaturated aldehyde14 May 2026US 2026/0132097 A1Nippon Kayaku Kabushiki Kaisha
- Acrolein and/or acrylic acid production from propylene with reduced amount of high boiling point byproducts9 Apr 2026US 2026/0097375 A1
- Catalyst for producing unsaturated carboxylic acid, method for producing same, and method for producing unsaturated carboxylic acid5 Mar 2026US 2026/0061402 A1Nippon Kayaku Kabushiki Kaisha
- Method for preparing catalyst for preparing (meth)acrylic acid, catalyst for preparing (meth)acrylic acid, and method for preparing (meth)acrylic acid12 Jun 2025US 2025/0186978 A1LG Chem.Ltd.
- Separation of acrylic acid with the aid of membrane contactors22 May 2025US 2025/0162970 A1Evonik Superabsorber GmbH
Most cited
By later US patents
- Methods for identifying and optimizing materials in microfluidic systems177US 6,737,026 B1Symyx Technologies, Inc. · 2004
- Chemical processing microsystems comprising parallel flow microreactors and methods for using same166US 6,749,814 B1Symyx Technologies, Inc. · 2004
- Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid76US 5,198,578 APlastics Technology Corporation · 1993
- Cyclic autothermal hydrocarbon reforming process74US 6,761,838 B2The BOC Group, Inc. · 2004
- Process for forming multi-component oxide complex catalysts73US 4,148,757 AThe Standard Oil Company · 1979