C08F 290/148
Polysiloxanes
Official title: {Polysiloxanes}
C08F290/148 (Polysiloxanes) appears on 160 US grants and 106 published applications in this corpus.
Search patents in C08F- Granted patents
- 160
- Published applications
- 106
- Assignees
- 96
- Inventors
- 455
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 3 |
| 2002 | 5 | 2 |
| 2003 | 8 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 5 | 7 |
| 2007 | 5 | 3 |
| 2008 | 2 | 4 |
| 2009 | 2 | 6 |
| 2010 | 5 | 12 |
| 2011 | 5 | 7 |
| 2012 | 5 | 3 |
| 2013 | 7 | 6 |
| 2014 | 4 | 0 |
| 2015 | 5 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 5 |
| 2018 | 2 | 3 |
| 2019 | 6 | 2 |
| 2020 | 3 | 5 |
| 2021 | 1 | 4 |
| 2022 | 2 | 3 |
| 2023 | 1 | 6 |
| 2024 | 1 | 7 |
| 2025 | 2 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radiation-curable organopolysiloxane composition and a release sheet27 Jan 2026US 12,534,649 B2Shin-Etsu Chemical Co., Ltd.
- Crosslinkable reactive silicone organic copolymers dispersions23 Sep 2025US 12,421,342 B2Wacker Chemie AG
- Eight-arm star-shaped thermoplastic elastomer copolymer and preparation method therefor13 May 2025US 12,297,324 B2Soochow University
- Polymerizing silicone and acrylic monomers23 Jul 2024US 12,043,685 B2Dow Silicones Corporation
- Phosphorylcholine group-containing polysiloxane monomer26 Dec 2023US 11,851,516 B2Nof Corporation
- Electrophotographic member and electrophotographic image forming apparatus23 Jul 2026US 2026/0211348 A1
- Polysiloxane compound and method for manufacturing the same4 Jun 2026US 2026/0152591 A1Shin-Etsu Chemical Co., Ltd.
- Organosilicone material and latex composition comprising the same7 May 2026US 2026/0125504 A1Momentive Performance Materials Inc.
- Curable resin, curable resin composition, and cured article26 Mar 2026US 2026/0085145 A1DIC Corporation
- Vinyl-modified organopolysiloxane, and radical polymerizable polymer or radical polymerizable copolymer using same as raw material20 Feb 2025US 2025/0059329 A1Dow Toray Co., Ltd.
Most cited
By later US patents
- Polysiloxane hydrogels775US 4,136,250 ACiba-Geigy Corporation · 1979
- Hydrogel with internal wetting agent363US 6,367,929 B1Johnson & Johnson Vision Care, Inc. · 2002
- Unsaturated polysiloxanes and polymers thereof291US 4,605,712 ACiba-Geigy Corporation · 1986
- Silicone hydrogel polymers257US 6,020,445 AJohnson & Johnson Vision Products, Inc. · 2000
- Strong, silicone containing polymers with high oxygen permeability242US 4,486,577 ACiba-Geigy Corporation · 1984