B01J 31/4007
Of catalysts containing polymers
Official title: {of catalysts containing polymers}
B01J31/4007 (Of catalysts containing polymers) appears on 49 US grants and 21 published applications in this corpus.
Search patents in B01J- Granted patents
- 49
- Published applications
- 21
- Assignees
- 29
- Inventors
- 118
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 4 |
| 2004 | 5 | 5 |
| 2005 | 3 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Non-metal catalyst for synthesizing polycarbonate by CO2 and preparation method therefor31 Mar 2026US 12,589,384 B2Wuhan Institute of Technology
- Regeneration of an ionic liquid catalyst using metal complexes24 Nov 2015US 9,192,928 B1Uop LLC
- Regeneration of acidic ion exchangers2 Apr 2013US 8,410,184 B2Bayer MaterialScience AG
- Synthesis of particles in dendritic structures26 Apr 2011US 7,932,311 B2Centre National de la Recherche Scientifique (CNRS)
- Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide23 Aug 2005US 6,933,257 B2E. I. Du Pont de Nemours and Company
- Compositions and methods for mitigating aggregation of and recycling of nanoscale catalysts20 Aug 2026US 2026/0241374 A1Massachusetts Institute of Technology
- Hydrogen peroxide manufacturing process and manufacturing system based on photochemical reaction1 May 2025US 2025/0136445 A1Korea Institute of Science and Technology
- Non-metal catalyst for synthesizing polycarbonate by co2 and preparation method therefor28 Dec 2023US 2023/0415138 A1Wuhan Institute of Technology
- Catalysts and methods for making cyclic carbonates30 Mar 2017US 2017/0088535 A1East China University of Science and Technology
- Solid catalytic compositions based on mesoporous organic materials17 Jan 2013US 2013/0017944 A1Centre National de la Recherche Scientifique (CNRS)
Most cited
By later US patents
- Colloidal size hydrophobic polymers particulate having discrete particles of an inorganic material dispersed therein112US 4,421,660 AThe Dow Chemical Company · 1983
- Olefin production46US 5,563,312 APhillips Petroleum Company · 1996
- Olefin production38US 5,543,375 APhillips Petroleum Company · 1996
- Porous microcomposite of perfluorinated ion-exchange polymer and metal oxide, a network of silica, or a network of metal oxide and silica derived via a sol-gel process38US 5,824,622 AE. I. Du Pont de Nemours and Company · 1998
- Reactivation of perfluorinated ion-exchange microcomposite catalysts29US 6,001,762 AE. I. Du Pont de Nemours and Company · 1999