B01J 2231/30
Addition reactions at carbon centres, i.e. to either c-c or c-x multiple
Official title: Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
B01J2231/30 (Addition reactions at carbon centres, i.e. to either c-c or c-x multiple) appears on 1,958 US grants and 1,289 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,958
- Published applications
- 1,289
- Assignees
- 636
- Inventors
- 3,688
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 48 | 0 |
| 1977 | 36 | 0 |
| 1978 | 27 | 0 |
| 1979 | 33 | 0 |
| 1980 | 39 | 0 |
| 1981 | 47 | 0 |
| 1982 | 37 | 0 |
| 1983 | 36 | 0 |
| 1984 | 42 | 0 |
| 1985 | 40 | 0 |
| 1986 | 30 | 0 |
| 1987 | 27 | 0 |
| 1988 | 14 | 0 |
| 1989 | 21 | 0 |
| 1990 | 19 | 0 |
| 1991 | 22 | 0 |
| 1992 | 42 | 0 |
| 1993 | 46 | 0 |
| 1994 | 33 | 0 |
| 1995 | 27 | 0 |
| 1996 | 27 | 0 |
| 1997 | 29 | 0 |
| 1998 | 70 | 0 |
| 1999 | 43 | 0 |
| 2000 | 46 | 0 |
| 2001 | 50 | 12 |
| 2002 | 49 | 29 |
| 2003 | 43 | 59 |
| 2004 | 46 | 68 |
| 2005 | 41 | 50 |
| 2006 | 41 | 37 |
| 2007 | 35 | 32 |
| 2008 | 17 | 21 |
| 2009 | 19 | 33 |
| 2010 | 27 | 32 |
| 2011 | 19 | 37 |
| 2012 | 20 | 41 |
| 2013 | 26 | 35 |
| 2014 | 37 | 66 |
| 2015 | 51 | 71 |
| 2016 | 70 | 94 |
| 2017 | 87 | 76 |
| 2018 | 63 | 57 |
| 2019 | 63 | 66 |
| 2020 | 53 | 54 |
| 2021 | 48 | 61 |
| 2022 | 36 | 66 |
| 2023 | 34 | 54 |
| 2024 | 44 | 65 |
| 2025 | 32 | 46 |
| 2026 | 26 | 27 |
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
- Acousticmicrofluidic driven one-step template-free engineering of porous multidimensional multimetallic nanoarchitectures with tunable size, shape, and composition22 Sep 2026US 12,741,277 B2Qatar University
- Intermediates for making derivatives of substituted morpholines18 Aug 2026US 12,709,602 B2Supernus Pharmaceuticals, Inc.
- Catalyst for addition reaction of alkylene oxide and use thereof14 Jul 2026US 12,678,777 B2China Petroleum & Chemical Corporation
- Process for improving rhodium/phosphite-based homogenous hydroformylation catalyst activity8 Oct 2026US 2026/0308098 A1Dow Technology Investments LLC
- Novel compound or salt thereof, catalyst, method of preparing novel compound or salt thereof and method of preparing mannich product8 Oct 2026US 2026/0308178 A1Okinawa Institute of Science and Technology School Corporation
- Processes for preparing c-4 sugars and ketose sugars24 Sep 2026US 2026/0285894 A1
- 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.
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
- Carbonylation catalysts143US 4,792,620 ABP Chemicals Limited · 1988
- Transition metal complex catalyzed processes126US 4,769,498 AUnion Carbide Corporation · 1988
- Transition metal complex catalyzed processes112US 4,668,651 AUnion Carbide Corporation · 1987