C08G 2340/00
Filter material
C08G2340/00 (Filter material) appears on 65 US grants and 73 published applications in this corpus.
Search patents in C08G- Granted patents
- 65
- Published applications
- 73
- Assignees
- 63
- Inventors
- 227
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 3 |
| 2013 | 1 | 3 |
| 2014 | 3 | 3 |
| 2015 | 2 | 9 |
| 2016 | 1 | 1 |
| 2017 | 3 | 7 |
| 2018 | 6 | 8 |
| 2019 | 7 | 9 |
| 2020 | 7 | 1 |
| 2021 | 2 | 6 |
| 2022 | 2 | 8 |
| 2023 | 0 | 0 |
| 2024 | 4 | 4 |
| 2025 | 4 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions and articles including perfluoropolyether bottlebrush polymers and methods of making and using same21 Apr 2026US 12,606,661 B2Donaldson Company, Inc.
- Antimicrobial anhydrous topical skin closure compositions and systems20 Jan 2026US 12,528,913 B2Ethicon, Inc.
- Polyurethane resin-forming composition for membrane-sealing material, and membrane and membrane module using same27 May 2025US 12,312,435 B2Tosoh Corporation
- Photocurable (meth)acrylate compositions6 May 2025US 12,291,646 B2Henkel AG & Co. KGaA
- Polypropylene backbone, and nanoporous polypropylene membrane4 Feb 2025US 12,215,199 B2Sabic Global Technologies B.V.
- Polyamide-based mixed matrix membrane for oil-water separation24 Sep 2026US 2026/0286076 A1King Fahd University of Petroleum and Minerals
- Method of making sulfonated polyphenylenes22 May 2025US 2025/0163212 A1Ionomr Innovations Inc.
- Photocurable (meth)acrylate compositions15 May 2025US 2025/0154293 A1Henkel AG & Co. KGaA
- Functionalized poly(aryl ether sulfone) copolymers13 Feb 2025US 2025/0051522 A1Solvay Specialty Polymers USA, LLC
- Separation functional layer, separation membrane, and method for manufacturing separation functional layer6 Feb 2025US 2025/0041808 A1Nitto Denko Corporation
Most cited
By later US patents
- Polyhydroxyalkanoate-based resin foamed particle, molded article comprising the same and process for producing the same37US 8,076,381 B2Kaneka Corporation · 2011
- Process for the production of polyisocyanate organic silicate solid/cellular solid product30US 4,153,764 A1979
- Organic hydroxy silicates utilized as curing agents for polyurethane prepolymers30US 4,153,768 A1979
- Flexible polyurethane foams having low resistance to air flow and method for preparation25US 4,167,612 AWm. T. Burnett & Co., Inc. · 1979
- Open celled polyurethane foams20US 4,826,882 APMC, Inc. · 1989