B01J 31/0295
By covalent attachment to the substrate
Official title: {by covalent attachment to the substrate, e.g. silica}
B01J31/0295 (By covalent attachment to the substrate) appears on 19 US grants and 30 published applications in this corpus.
Search patents in B01J- Granted patents
- 19
- Published applications
- 30
- Assignees
- 32
- Inventors
- 98
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 0 | 2 |
| 2013 | 3 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 2 |
| 2023 | 0 | 4 |
| 2024 | 2 | 0 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for recycling polyester fabrics with use of ionic liquid catalyst11 Nov 2025US 12,466,934 B2Nan Ya Plastics Corporation
- Heterogeneous catalyst with multicatalytic activity8 Apr 2025US 12,269,019 B2Instituto Mexicano Del Petroleo
- Ionic liquid catalyst11 Feb 2025US 12,220,687 B2Nan Ya Plastics Corporation
- Catalyst system for producing cyclic carbonates and method related thereto26 Mar 2024US 11,938,467 B2Ptt Exploration and Production Public Company Limited
- Catalyst system for producing cyclic carbonates and method related thereto26 Mar 2024US 11,938,468 B2Ptt Exploration and Production Public Company Limited
- Compositions and methods for mitigating aggregation of and recycling of nanoscale catalysts20 Aug 2026US 2026/0241374 A1Massachusetts Institute of Technology
- Heterogeneous catalyst with multicatalytic activity10 Jul 2025US 2025/0222445 A1Instituto Mexicano Del Petroleo
- Heterogeneous catalyst with multicatalytic activity26 Jun 2025US 2025/0205692 A1Instituto Mexicano Del Petroleo
- (poly)ester and (poly)amide compositions, method for modifying (poly)esters or (poly)amides and catalyst therefor5 Jun 2025US 2025/0179263 A1Centro De Investigacion En Quimica Aplicada
- Use of magnetic mesoporous poly(ionic liquid) interfacial catalyst in hydrogenation reaction and preparation of biodiesel15 Jun 2023US 2023/0182122 A1Qufu Normal University
Most cited
By later US patents
- Immobilised ionic liquids33US 6,969,693 B2Johnson Matthey PLC · 2005
- Redistribution catalyst and methods for its preparation and use to convert chlorosilicon hydrides to silane14US 4,613,491 AKorea Advanced Institute of Science and Technology · 1986
- Hydrogenation catalyst and methods for its preparation and use to convert silicon tetrachloride to chlorosilane and silane7US 4,701,430 AKorea Advance Institute of Science and Technology · 1987
- Hybrid organic-inorganic materials that contain stabilized carbene7US 8,871,877 B2Universite Claude Bernard Lyon 1 (Ucbl) · 2014
- Process to control product selectivity6US 8,471,086 B2Chevron U.S.A.Inc. · 2013