B01J 2231/32
Addition reactions to c=c or c-c triple bonds
Official title: Addition reactions to C=C or C-C triple bonds
B01J2231/32 (Addition reactions to c=c or c-c triple bonds) appears on 1,527 US grants and 967 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,527
- Published applications
- 967
- Assignees
- 497
- Inventors
- 2,764
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 45 | 0 |
| 1977 | 30 | 0 |
| 1978 | 20 | 0 |
| 1979 | 30 | 0 |
| 1980 | 34 | 0 |
| 1981 | 42 | 0 |
| 1982 | 25 | 0 |
| 1983 | 27 | 0 |
| 1984 | 29 | 0 |
| 1985 | 34 | 0 |
| 1986 | 19 | 0 |
| 1987 | 18 | 0 |
| 1988 | 11 | 0 |
| 1989 | 17 | 0 |
| 1990 | 10 | 0 |
| 1991 | 16 | 0 |
| 1992 | 35 | 0 |
| 1993 | 42 | 0 |
| 1994 | 28 | 0 |
| 1995 | 21 | 0 |
| 1996 | 24 | 0 |
| 1997 | 25 | 0 |
| 1998 | 62 | 0 |
| 1999 | 37 | 0 |
| 2000 | 38 | 0 |
| 2001 | 40 | 7 |
| 2002 | 36 | 19 |
| 2003 | 28 | 42 |
| 2004 | 32 | 52 |
| 2005 | 28 | 30 |
| 2006 | 29 | 32 |
| 2007 | 29 | 17 |
| 2008 | 12 | 17 |
| 2009 | 17 | 26 |
| 2010 | 20 | 23 |
| 2011 | 14 | 25 |
| 2012 | 16 | 27 |
| 2013 | 14 | 28 |
| 2014 | 31 | 48 |
| 2015 | 42 | 59 |
| 2016 | 54 | 71 |
| 2017 | 63 | 61 |
| 2018 | 47 | 43 |
| 2019 | 52 | 49 |
| 2020 | 42 | 41 |
| 2021 | 35 | 46 |
| 2022 | 26 | 57 |
| 2023 | 30 | 43 |
| 2024 | 34 | 54 |
| 2025 | 20 | 30 |
| 2026 | 17 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation of organosilicon compounds with carbinol functionality6 Oct 2026US 12,753,193 B2Dow Global Technologies LLC
- Internal diene compounds and their Pt complexes for catalyzed reactions including hydrosilylation29 Sep 2026US 12,746,537 B2
- Frontal polymerization using encapsulated catalysts16 Jun 2026US 12,655,250 B1National Technology & Engineering Solutions of Sandia, LLC
- Curable composition, reaction product therefrom, and electronic article including the same12 May 2026US 12,624,209 B23M Innovative Properties Compnay
- Process for hydroformylation with removal of dissolved hydrogen28 Apr 2026US 12,612,351 B2Johnson Matthey Davy Technologies Limited
- Process for improving rhodium/phosphite-based homogenous hydroformylation catalyst activity8 Oct 2026US 2026/0308098 A1Dow Technology Investments LLC
- Encapsulated catalyst, method of preparation, composition and methods involving hydrosilylation17 Sep 2026US 2026/0273516 A1Dow Silicones Corporation
- Immobilized quaternary phosphonium salt having phenol domain, method for producing same, and cyclic carbonate production method using same17 Sep 2026US 2026/0274874 A1Shin-Etsu Chemical Co., Ltd.
- Mesoporous nickel powder and preparation method therefor, nickel-phosphorus catalyst system and adiponitrile preparation method3 Sep 2026US 2026/0257212 A1Shandong Nhu Fine Chemical Science and Technology Company 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.
Most cited
By later US patents
- Copper-catalysed ligation of azides and acetylenes267US 7,375,234 B2The Scripps Research Institute · 2008
- Platinum complexes and use thereof172US 5,175,325 ADow Corning Corporation · 1992
- Transition metal complex catalyzed processes126US 4,769,498 AUnion Carbide Corporation · 1988
- Transition metal complex catalyzed processes112US 4,668,651 AUnion Carbide Corporation · 1987
- Low temperature ionic liquids109US 5,731,101 AAkzo Nobel N. V. · 1998