B01J 31/10
Sulfonated
Official title: sulfonated
B01J31/10 (Sulfonated) appears on 327 US grants and 209 published applications in this corpus.
Search patents in B01J- Granted patents
- 327
- Published applications
- 209
- Assignees
- 178
- Inventors
- 729
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 12 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 2 | 0 |
| 1995 | 9 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 3 |
| 2002 | 4 | 9 |
| 2003 | 11 | 13 |
| 2004 | 9 | 12 |
| 2005 | 9 | 7 |
| 2006 | 4 | 5 |
| 2007 | 4 | 6 |
| 2008 | 0 | 5 |
| 2009 | 3 | 8 |
| 2010 | 4 | 8 |
| 2011 | 7 | 12 |
| 2012 | 7 | 16 |
| 2013 | 15 | 7 |
| 2014 | 6 | 9 |
| 2015 | 6 | 10 |
| 2016 | 8 | 11 |
| 2017 | 11 | 14 |
| 2018 | 16 | 6 |
| 2019 | 3 | 7 |
| 2020 | 7 | 9 |
| 2021 | 6 | 6 |
| 2022 | 5 | 8 |
| 2023 | 10 | 4 |
| 2024 | 1 | 6 |
| 2025 | 7 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the preparation of 3,4-methylenedioxypropiophenone6 Oct 2026US 12,753,160 B2Endura S. P. A.
- Systems and methods for MTBE production6 Jan 2026US 12,516,008 B2Sabic Global Technologies B.V.
- Carbon-based solid acid23 Sep 2025US 12,424,636 B2Nissan Chemical Corporation
- Pretreatment process of resin catalyst for synthesizing bisphenol A26 Aug 2025US 12,397,287 B1Tianjin University
- Catalyst layer, membrane electrode assembly for solid polymer fuel cell, and solid polymer fuel cell15 Jul 2025US 12,362,366 B2AGC Inc.
- Ethylene oxide abatement systems1 Oct 2026US 2026/0295522 A1Boston Scientific Scimed, Inc.
- Ethylene oxide abatement systems1 Oct 2026US 2026/0295523 A1Boston Scientific Scimed, Inc.
- Ethylene oxide abatement systems1 Oct 2026US 2026/0295524 A1Boston Scientific Scimed, Inc.
- Catalytic deprotection method for organic molecules16 Jul 2026US 2026/0200966 A1FilmTec Water USA, LLC
- Methods and related tools for cbd conversion to thc10 Jul 2025US 2025/0223273 A1
Most cited
By later US patents
- Method for depositing a fluorocarbonsulfonic acid polymer on a support from a solution104US 4,661,411 AThe Dow Chemical Company · 1987
- Dual functional catalyst of packing type and the catalytic distillation equipment62US 6,117,812 AChina Petro-Chemical Corporation · 2000
- Hydrocarbon conversion process using a supported perfluorinated polymer catalyst61US 4,038,213 AShell Oil Company · 1977
- Supported perfluorinated ion-exchange polymers50US 5,094,995 AE. I. Du Pont de Nemours and Company · 1992
- Method and catalyst for making bisphenol46US 4,396,728 AGeneral Electric Company · 1983