B01J 31/0288
Phosphorus
Official title: {Phosphorus}
B01J31/0288 (Phosphorus) appears on 111 US grants and 110 published applications in this corpus.
Search patents in B01J- Granted patents
- 111
- Published applications
- 110
- Assignees
- 59
- Inventors
- 225
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 4 |
| 2003 | 3 | 6 |
| 2004 | 4 | 4 |
| 2005 | 2 | 7 |
| 2006 | 3 | 2 |
| 2007 | 3 | 9 |
| 2008 | 0 | 3 |
| 2009 | 0 | 6 |
| 2010 | 12 | 9 |
| 2011 | 4 | 5 |
| 2012 | 2 | 2 |
| 2013 | 6 | 12 |
| 2014 | 11 | 5 |
| 2015 | 9 | 5 |
| 2016 | 4 | 6 |
| 2017 | 5 | 3 |
| 2018 | 2 | 8 |
| 2019 | 4 | 3 |
| 2020 | 5 | 4 |
| 2021 | 5 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Depolymerization of polymers with ester, ether and carbonate linkages using acidic ionic liquid (AIL) catalyst20 Jan 2026US 12,528,929 B2Council of Scientific and Industrial Research An Indian Resgistered Body Incorporated Under the Regn. of Soc. Act (Act Xxi of 1860)
- Selective hydrogenation methods25 Apr 2023US 11,634,370 B2Clariant International Ltd.
- Selective hydrogenation methods and catalysts11 Apr 2023US 11,623,902 B2Clariant International Ltd.
- Catalytic reduction of halogenated carbosilanes and halogenated carbodisilanes1 Mar 2022US 11,261,202 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Trialkylphosphonium ionic liquids, methods of making, and alkylation processes using trialkylphosphonium ionic liquids21 Sep 2021US 11,123,721 B2Uop LLC
- Method for polyurethane depolymerization19 Mar 2026US 2026/0078235 A1AsociacióN Empresarial Centro TecnolóGico Del Mueble Y La Madera De La RegióN De Murcia
- Catalytic composition in the form of a pickering emulsion13 Feb 2025US 2025/0050319 A1Ifp Energies Nouvelles
- Perfluorinated amide salts and their uses as ionic conducting materials1 Aug 2024US 2024/0253023 A1
- Depolymerization of polymers with ester, ether and carbonate linkages using acidic ionic liquid (ail) catalyst16 Mar 2023US 2023/0078491 A1Council of Scientific and Industrial Research An Indian Registered Body Incorporation
- Catalytic reduction of halogenated carbosilanes and halogenated carbodisilanes25 Mar 2021US 2021/0087209 A1Air Liquide Advanced Materials, Inc.
Most cited
By later US patents
- Functionalized ionic liquids, and methods of use thereof64US 7,208,605 B2University of South Alabama · 2007
- Perfluorinated amide salts and their uses as ionic conducting materials61US 6,319,428 B1Centre National De La Recherche Scientifique · 2001
- Non-aqueous liquid composition with an ionic character and its use as a solvent55US 5,104,840 AInstitut Francais du Petrole · 1992
- Linear alxylbenzene formation using low temperature ionic liquid42US 5,824,832 AAkzo Nobel N. V. · 1998
- Regeneration of ionic liquid catalyst by hydrogenation using a supported catalyst37US 7,691,771 B2Chevron U.S.A.Inc. · 2010