C08J 2345/00
Working-up: characterised by the use of homopolymers or copolymers of compounds having
Official title: Characterised by the use of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Derivatives of such polymers
C08J2345/00 (Working-up: characterised by the use of homopolymers or copolymers of compounds having) appears on 147 US grants and 221 published applications in this corpus.
Search patents in C08J- Granted patents
- 147
- Published applications
- 221
- Assignees
- 124
- Inventors
- 547
- Latest grant
- 22 Sep 2026
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 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 0 | 1 |
| 2009 | 2 | 9 |
| 2010 | 0 | 3 |
| 2011 | 4 | 2 |
| 2012 | 2 | 0 |
| 2013 | 3 | 4 |
| 2014 | 4 | 4 |
| 2015 | 3 | 14 |
| 2016 | 2 | 9 |
| 2017 | 6 | 22 |
| 2018 | 6 | 7 |
| 2019 | 13 | 15 |
| 2020 | 16 | 22 |
| 2021 | 11 | 25 |
| 2022 | 9 | 13 |
| 2023 | 16 | 16 |
| 2024 | 19 | 21 |
| 2025 | 8 | 18 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fine resin particle and application thereof22 Sep 2026US 12,742,030 B2Sekisui Kasei Co., Ltd.
- Palladium catalysts for forming vinyl addition polymers having improved film forming properties1 Sep 2026US 12,723,111 B2Promerus, LLC
- Preparation of metallocene containing cationic polymers for anion exchange applications28 Jul 2026US 12,691,419 B2University of South Carolina
- Test method for quality evaluation and coated container21 Jul 2026US 12,686,530 B2Schot AG
- Anti-reflective film, polarizing plate, and display apparatus7 Apr 2026US 12,596,205 B2Xinmei Fontana Holding (Hong Kong) Limited
- Process for the fabrication of supported membranes by thermal and uv initiated mass polymerization24 Sep 2026US 2026/0286075 A1Promerus, LLC
- Method of producing recycled alicyclic structure-containing polymer6 Aug 2026US 2026/0226247 A1Zeon Corporation
- Resin, resin composition, cured layer and etching method16 Jul 2026US 2026/0201091 A1Advanced Echem Materials Company Limited
- Composite materials and filaments composed of the same for printing three dimensional articles16 Jul 2026US 2026/0201126 A1
- Active energy ray-curable composition, multilayer body, and method for producing multilayer body18 Jun 2026US 2026/0167789 A1Nippon Steel Chemical & Material Co., Ltd.
Most cited
By later US patents
- Process for producing a high strength artificial (cast) stone with high permeability and filter effect75US 5,232,955 AKoolajkutato Vallalat · 1993
- Semi-crystalline cycloolefin copolymer film57US 5,552,504 AHoechst Aktiengesellschaft · 1996
- Rigid cycloolefin copolymer film45US 5,534,606 AHoechst Aktiengesellschaft · 1996
- Flexible cycloolefin copolymer film and method of preparing same33US 5,583,192 AHoechst Aktiengesellschaft · 1996
- Method, composition and product produced by delayed gelation in the polymerization of cycloolefins32US 4,598,102 AHercules Incorporated · 1986