C08J 2201/054
Precipitating the polymer by adding a non-solvent or a different solvent
C08J2201/054 (Precipitating the polymer by adding a non-solvent or a different solvent) appears on 240 US grants and 200 published applications in this corpus.
Search patents in C08J- Granted patents
- 240
- Published applications
- 200
- Assignees
- 197
- Inventors
- 673
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 10 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 5 |
| 2004 | 1 | 6 |
| 2005 | 1 | 3 |
| 2006 | 3 | 3 |
| 2007 | 0 | 2 |
| 2008 | 3 | 5 |
| 2009 | 0 | 3 |
| 2010 | 1 | 7 |
| 2011 | 2 | 8 |
| 2012 | 3 | 1 |
| 2013 | 4 | 4 |
| 2014 | 6 | 6 |
| 2015 | 5 | 6 |
| 2016 | 2 | 9 |
| 2017 | 7 | 14 |
| 2018 | 4 | 13 |
| 2019 | 9 | 8 |
| 2020 | 8 | 16 |
| 2021 | 9 | 17 |
| 2022 | 6 | 18 |
| 2023 | 21 | 13 |
| 2024 | 7 | 10 |
| 2025 | 16 | 12 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adsorbent resin for removing perfluorinated pollutants from body of water, preparation therefor, and use thereof25 Aug 2026US 12,715,787 B2Sunresin New Materials Co. Ltd.
- Porous membranes for high pressure filtration7 Jul 2026US 12,673,303 B2Syensqo Specialty Polymers USA, LLC
- Separator for non-aqueous secondary battery and non-aqueous secondary battery2 Jun 2026US 12,646,803 B2Teijin Limited
- Aerogel foams and methods of preparing the same21 Apr 2026US 12,605,688 B2Board of Regents, The University of Texas System
- PPO based film with high surface area and procedures for the obtainment thereof17 Mar 2026US 12,576,366 B2MATERIAS S.r.l.
- High strength biomedical materials6 Aug 2026US 2026/0224782 A1Access Vascular, Inc.
- Compositions for preparing membranes from polymer solutions23 Jul 2026US 2026/0208118 A1The Lubrizol Corporation
- Absorption devices, materials, and methods18 Jun 2026US 2026/0166518 A1Celgard, LLC
- Polyarylethersulfone copolymer having improved hydrophilicity16 Apr 2026US 2026/0103568 A1Syensqo Specialtyy Polymres USA, LLC
- Compostable polymer aerogels, processes and intermediate mixtures for their fabrication, and components formed therewith9 Apr 2026US 2026/0098141 A1The Trustees of Indiana University
Most cited
By later US patents
- Microporous sheet material, method of making and articles made therewith399US 4,539,256 AMinnesota Mining and Manufacturing Company · 1985
- Methods for making microporous products280US 4,247,498 AAkzona Incorporated · 1981
- Process for producing microporous powders and membranes180US 4,968,733 AAkzo N. V. · 1990
- Microporous polyolefin shaped articles with patterned surface areas of different porosity153US 5,120,594 AMinnesota Mining and Manufacturing Company · 1992
- Microporous products137US 4,519,909 AAkzona Incorporated · 1985