B01D 71/402
Polymers based on the polymerisation of fumaric acid or derivatives thereof
Official title: {Polymers based on the polymerisation of fumaric acid or derivatives thereof}
B01D71/402 (Polymers based on the polymerisation of fumaric acid or derivatives thereof) appears on 9 US grants and 6 published applications in this corpus.
Search patents in B01D- Granted patents
- 9
- Published applications
- 6
- Assignees
- 7
- Inventors
- 37
- Latest grant
- 28 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Functional fluoropolymers28 Jan 2025US 12,209,152 B2Arkema Inc.
- Gel including condensation product of organic silicon compound8 Sep 2020US 10,765,993 B2Sumitomo Chemical Company, Limited
- Water flux polymer membranes18 Jul 2017US 9,707,524 B2Arkema Inc.
- Use of hydrophobically modified copolymers based on N-vinyl monomers for the production of membranes25 Mar 2008US 7,347,938 B2BASF SE
- Use of microphase-separated polymer blends for the preparation of permeable membranes10 Apr 2001US 6,214,936 B1
- Functional fluoropolymers5 Jun 2025US 2025/0179230 A1Arkema Inc.
- Functional fluoropolymers3 Jun 2021US 2021/0163647 A1Arkema Inc.
- Gel having interpenetrating network31 Dec 2020US 2020/0407515 A1Sumitomo Chemical Company, Limited
- Gel including condensation product of organic silicon compound13 Feb 2020US 2020/0047115 A1Sumitomo Chemical Company, Limited
- Water flux polymer membranes25 Aug 2011US 2011/0207841 A1Arkema Inc.
Most cited
By later US patents
- Process for the manufacture of an ophthalmic molding244US 6,039,913 ANovartis AG · 2000
- Use of microphase-separated polymer blends for the preparation of permeable membranes19US 6,214,936 B12001
- Metal ionomer membranes for gas separation13US 4,789,386 AThe Dow Chemical Company · 1988
- Electrodialysis for aqueous solution of base5US 4,051,002 AAsahi Glass Company, Limited · 1977
- Use of hydrophobically modified copolymers based on N-vinyl monomers for the production of membranes5US 7,347,938 B2BASF SE · 2008