C08J 9/26
Working-up of macromolecular substances to porous or cellular articles or materials: by
Official title: by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
C08J9/26 (Working-up of macromolecular substances to porous or cellular articles or materials: by) appears on 628 US grants and 635 published applications in this corpus.
Search patents in C08J- Granted patents
- 628
- Published applications
- 635
- Assignees
- 398
- Inventors
- 1,604
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 15 | 0 |
| 2000 | 8 | 0 |
| 2001 | 16 | 3 |
| 2002 | 17 | 15 |
| 2003 | 10 | 22 |
| 2004 | 12 | 19 |
| 2005 | 18 | 12 |
| 2006 | 10 | 10 |
| 2007 | 5 | 9 |
| 2008 | 10 | 14 |
| 2009 | 6 | 12 |
| 2010 | 8 | 27 |
| 2011 | 10 | 19 |
| 2012 | 10 | 25 |
| 2013 | 18 | 17 |
| 2014 | 16 | 23 |
| 2015 | 11 | 37 |
| 2016 | 14 | 36 |
| 2017 | 27 | 37 |
| 2018 | 23 | 46 |
| 2019 | 25 | 45 |
| 2020 | 41 | 46 |
| 2021 | 31 | 41 |
| 2022 | 28 | 29 |
| 2023 | 28 | 38 |
| 2024 | 26 | 22 |
| 2025 | 20 | 22 |
| 2026 | 13 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Functionalized porous composites6 Oct 2026US 12,753,288 B2Celanese International Corporation
- Separator including polyethylene with highly entangled polymer chains, and electrochemical device including the same29 Sep 2026US 12,749,766 B2LG Energy Solution, Ltd.
- Instrinsically antimicrobial porosic matrix composites and method of manufacture thereof15 Sep 2026US 12,733,637 B2
- Water soluble polymer blend compositions15 Sep 2026US 12,735,546 B2Interfacial Consultants LLC
- Composite material21 Jul 2026US 12,686,802 B2Nitto Denko Corporation
- Porous Polymer Scaffolds, and Methods of Making and Using the Same27 Aug 2026US 2026/0250477 A1The Regents of the University of California
- Microporous membrane, and preparation method therefor and application thereof6 Aug 2026US 2026/0229711 A1Shenzhen Senior Technology Material Co., Ltd.
- Ultralow-ri materials, low-k dielectric materials, composites, and methods23 Jul 2026US 2026/0209459 A1
- Photonic crystal micropatterns and anti-counterfeiting films, methods of making, and methods of use4 Jun 2026US 2026/0152615 A1
- Method of producing meso-macroporous hydrogel structure, hydrogel structure produced thereby, and method of isolating exosomes using the same30 Apr 2026US 2026/0118235 A1Korea Institute of Science and Technology
Most cited
By later US patents
- Medical devices and applications of polyhydroxyalkanoate polymers1,636US 6,838,493 B2Metabolix, Inc. · 2005
- Process for manufacturing biomedical foams1,536US 6,355,699 B1Ethicon, Inc. · 2002
- Porous polymeric matrices made of natural polymers and synthetic polymers and optionally at least one cation and methods of making789US 7,446,131 B1The United States of America as represented by the Secretary of Agriculture · 2008
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Method of producing porous plastic materials483US 4,076,656 ADeBell & Richardson, Inc. · 1978