B01J 31/0231
Halogen-containing compounds
Official title: {Halogen-containing compounds}
B01J31/0231 (Halogen-containing compounds) appears on 273 US grants and 185 published applications in this corpus.
Search patents in B01J- Granted patents
- 273
- Published applications
- 185
- Assignees
- 194
- Inventors
- 751
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 10 | 0 |
| 1983 | 9 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 4 |
| 2002 | 12 | 8 |
| 2003 | 6 | 5 |
| 2004 | 4 | 6 |
| 2005 | 6 | 13 |
| 2006 | 4 | 1 |
| 2007 | 6 | 7 |
| 2008 | 3 | 3 |
| 2009 | 3 | 6 |
| 2010 | 5 | 7 |
| 2011 | 6 | 4 |
| 2012 | 5 | 2 |
| 2013 | 2 | 10 |
| 2014 | 2 | 11 |
| 2015 | 8 | 6 |
| 2016 | 9 | 12 |
| 2017 | 10 | 9 |
| 2018 | 8 | 15 |
| 2019 | 9 | 4 |
| 2020 | 4 | 4 |
| 2021 | 8 | 14 |
| 2022 | 9 | 13 |
| 2023 | 6 | 9 |
| 2024 | 8 | 6 |
| 2025 | 3 | 6 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Access to chiral bisphenol (BPOL) ligands through desymmetrizing asymmetric ortho-selective mono-halogenation26 May 2026US 12,637,403 B2The Chinese University of Hong Kong
- Method for preparing cyano sulfonyl fluoride compounds23 Dec 2025US 12,503,430 B1Zhejiang Normal University
- Synthesis of deuterated aldehydes28 Oct 2025US 12,454,502 B2Arizona Board of Regents On Behalf of Athe University of Arizona
- Catalyst composition for cyclic carbonate production from CO2 and olefins5 Aug 2025US 12,377,406 B2PTT Global Chemical Public Company Limited
- Process for making biobased products from sugars22 Oct 2024US 12,122,739 B2Archer Daniels Midland Company
- Method for co-producing valproamide and sodium valproate13 Nov 2025US 2025/0346555 A1Hunan University
- Waste gas treatment equipment using high frequency heat source30 Oct 2025US 2025/0332565 A1Wholetech System Hitech Limited Co., Ltd.
- Method for producing glycoside16 Oct 2025US 2025/0320242 A1Resonac Corporation
- Method for producing protected glycoside derivative16 Oct 2025US 2025/0320243 A1Resonac Corporation
- Rare earth and group 4 catalysts for ambient conversion of dinitrogen to secondary silylamines21 Aug 2025US 2025/0262613 A1The Regents of the University of California
Most cited
By later US patents
- Carbonylation catalysts143US 4,792,620 ABP Chemicals Limited · 1988
- Supported olefin polymerization catalysts96US 6,211,311 B1Equistar Chemicals, LP · 2001
- Compositions containing fluorine substituted olefins90US 7,279,451 B2Honeywell International Inc. · 2007
- Process for improving productivity of a carbonylation catalyst solution by removing corrosion metals77US 5,731,252 AHoechst Celanese Corporation · 1998
- Olefin production process69US 7,157,612 B2Phillips Petroleum Company · 2007