C08J 2481/00
Working-up: characterised by the use of macromolecular compounds obtained by reactions forming
Official title: Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
C08J2481/00 (Working-up: characterised by the use of macromolecular compounds obtained by reactions forming) appears on 169 US grants and 259 published applications in this corpus.
Search patents in C08J- Granted patents
- 169
- Published applications
- 259
- Assignees
- 122
- Inventors
- 615
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 4 | 3 |
| 2012 | 4 | 12 |
| 2013 | 2 | 8 |
| 2014 | 2 | 8 |
| 2015 | 5 | 15 |
| 2016 | 4 | 13 |
| 2017 | 10 | 18 |
| 2018 | 14 | 19 |
| 2019 | 16 | 22 |
| 2020 | 18 | 22 |
| 2021 | 13 | 29 |
| 2022 | 12 | 21 |
| 2023 | 15 | 23 |
| 2024 | 15 | 11 |
| 2025 | 12 | 11 |
| 2026 | 6 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blend of polyarylether ketone copolymer6 Oct 2026US 12,753,305 B2Syensqo Specialty Polymers USA, LLC
- Material systems and methods of manufacture for auxetic foams11 Aug 2026US 12,703,132 B2The Florida State University Research Foundation, Inc.
- Micro-engineered poly(HEMA) hydrogel for wearable contact lens biosensing and other applications16 Jun 2026US 12,655,256 B2CooperVision International Limited
- Prepreg19 May 2026US 12,630,679 B2Toray Industries, Inc.
- Prepreg, molded article, and integrally molded article24 Feb 2026US 12,558,816 B2Toray Industries, Inc.
- Material systems and methods of manufacture for auxetic foams1 Oct 2026US 2026/0295909 A1The Florida State University Research Foundation, Inc.
- Reversible crosslinked extruded profile and process27 Aug 2026US 2026/0250432 A1
- Process for reversible crosslink composition27 Aug 2026US 2026/0250449 A1Dow Global Technologies LLC
- Process for reversible crosslink composition27 Aug 2026US 2026/0250450 A1Dow Global Technologies LLC
- Facile material extrusion of 3d wearable conductive-polymer micro-super-capacitors27 Aug 2026US 2026/0250470 A1The Governing Council of the University of Toronto
Most cited
By later US patents
- Polythiophenes, process for their preparation and their use172US 4,959,430 ABayer Aktiengesellschaft · 1990
- Method of imparting antistatic properties to a substrate by coating the substrate with a novel polythiophene108US 5,035,926 ABayer Aktiengesellschaft · 1991
- Polythiophenes, process for their preparation and their use102US 4,987,042 ABayer Aktiengesellschaft · 1991
- Antistatic plastic articles94US 5,370,981 AAgfa-Gevaert · 1994
- Fluorinated polymeric surfaces34US 4,296,151 APhillips Petroleum Company · 1981