C08L 45/00
Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals
Official title: Compositions 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; Compositions of derivatives of such polymers (of cyclic anhydrides or imides C08L35/00; of cyclic esters of polyfunctional acids C08L31/00)
C08L45/00 (Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals) appears on 384 US grants and 432 published applications in this corpus.
Search patents in C08L- Granted patents
- 384
- Published applications
- 432
- Assignees
- 233
- Inventors
- 1,157
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 10 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 1 |
| 2002 | 8 | 5 |
| 2003 | 8 | 11 |
| 2004 | 8 | 11 |
| 2005 | 6 | 7 |
| 2006 | 5 | 8 |
| 2007 | 2 | 17 |
| 2008 | 5 | 10 |
| 2009 | 1 | 17 |
| 2010 | 8 | 25 |
| 2011 | 6 | 21 |
| 2012 | 13 | 11 |
| 2013 | 8 | 13 |
| 2014 | 17 | 23 |
| 2015 | 15 | 21 |
| 2016 | 10 | 25 |
| 2017 | 22 | 33 |
| 2018 | 21 | 35 |
| 2019 | 20 | 29 |
| 2020 | 30 | 26 |
| 2021 | 25 | 15 |
| 2022 | 10 | 12 |
| 2023 | 13 | 11 |
| 2024 | 12 | 18 |
| 2025 | 10 | 17 |
| 2026 | 1 | 10 |
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.
- Prepolymer, resin composition comprising the same and article made therefrom28 Oct 2025US 12,454,611 B2Elite Material Co., Ltd.
- Organic insulator and wiring board2 Sep 2025US 12,408,268 B2KYOCERA Corporation
- Dental composition26 Aug 2025US 12,396,929 B2DENTSPLY SIRONA Inc.
- Composites for high-frequency printed circuit boards and methods of making8 Jul 2025US 12,356,544 B2Corning Incorporated
- Resin composition, prepreg, resin film, metal-clad laminate, printed wiring board, semiconductor package, and acenaphthylene homopolymer27 Aug 2026US 2026/0250498 A1Resonac Corporation
- Resin composition, film, film set, optical waveguide, opto-electric composite substrate, and electronic component30 Jul 2026US 2026/0218020 A1Sumitomo Bakelite Co., Ltd.
- Composition containing fluorine-containing polymer and aprotic solvent, fluorine-containing polymer, method for producing fluorine-containing polymer solution, method for producing mixture of fluorine monomer and aprotic solvent, and method for producing fluorine-containing polymer23 Jul 2026US 2026/0209406 A1Daikin Industries, Ltd.
- Resin, resin composition, cured layer and etching method16 Jul 2026US 2026/0201091 A1Advanced Echem Materials Company Limited
- Halogen free and phosphorus free low loss flame retardant compositions containing polycyclic-olefinic polymers with epoxy functionality and melamine2 Jul 2026US 2026/0184892 A1Promerus, LLC
Most cited
By later US patents
- Polyolefin fiber compositions117US 6,388,013 B1Equistar Chemicals, LP · 2002
- Selective deposition modeling material103US 6,476,122 B1Vantico Inc. · 2002
- Method and apparatus for preventing unauthorized recycling of single-use camera and permitting authorized reuse of the camera96US 5,534,962 AEastman Kodak Company · 1996
- Multi-component oxygen scavenger system useful in film packaging94US 5,660,761 AChevron Chemical Company · 1997
- Tackified emulsion pressure-sensitive adhesive70US 5,623,011 AAvery Dennison Corporation · 1997