C08F 290/068
Polysiloxanes
Official title: {Polysiloxanes}
C08F290/068 (Polysiloxanes) appears on 451 US grants and 481 published applications in this corpus.
Search patents in C08F- Granted patents
- 451
- Published applications
- 481
- Assignees
- 211
- Inventors
- 1,161
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 5 | 0 |
| 1993 | 11 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 3 |
| 2002 | 7 | 6 |
| 2003 | 9 | 8 |
| 2004 | 10 | 18 |
| 2005 | 10 | 8 |
| 2006 | 9 | 17 |
| 2007 | 5 | 17 |
| 2008 | 6 | 19 |
| 2009 | 7 | 16 |
| 2010 | 18 | 25 |
| 2011 | 11 | 13 |
| 2012 | 13 | 12 |
| 2013 | 15 | 20 |
| 2014 | 16 | 17 |
| 2015 | 19 | 19 |
| 2016 | 17 | 16 |
| 2017 | 19 | 30 |
| 2018 | 14 | 25 |
| 2019 | 19 | 21 |
| 2020 | 27 | 29 |
| 2021 | 20 | 24 |
| 2022 | 11 | 17 |
| 2023 | 12 | 31 |
| 2024 | 17 | 25 |
| 2025 | 12 | 18 |
| 2026 | 6 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modifier for ophthalmological device25 Aug 2026US 12,715,944 B2Nof Corporation
- Multifunctional crosslinking agents and ophthalmic devices formed therefrom19 May 2026US 12,631,791 B2Bausch + Lomb Ireland Limited
- Radiation blockers for contact lenses17 Mar 2026US 12,577,345 B2CooperVision International Limited
- Coating agent, resin member, and production method therefor10 Feb 2026US 12,545,803 B2Kabushiki Kaisha Toyota Jidoshokki
- Coating composition and coating film6 Jan 2026US 12,516,218 B2Nippon Paint Marine Coatings Co., Ltd.
- Silicone prepolymer and contact lens formed therefrom10 Sep 2026US 2026/0263358 A1
- Silicone-containing copolymer, leveling agent, coating composition, resist composition, color filter, and method for producing silicone-containing copolymer10 Sep 2026US 2026/0265437 A1DIC Corporation
- Ultraviolet-curable organopolysiloxane composition, cured object, and electronic appliance20 Aug 2026US 2026/0242545 A1Shin-Etsu Chemical Co., Ltd.
- Side-chain urethane-modified silicone macromer and copolymer thereof6 Aug 2026US 2026/0226218 A1Shin-Etsu Chemical Co., Ltd.
- Radically polymerizable polycaprolactone-modified silicone compound, novel silicone-polycaprolactone copolymer particles and cosmetic composition using same, and other uses23 Jul 2026US 2026/0207467 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
- Biomedical devices containing internal wetting agents330US 6,822,016 B2Johnson & Johnson Vision Care, Inc. · 2004
- Long wearable soft contact lens322US 6,867,245 B2Asahikasei Aime Co., Ltd · 2005
- Preparation of novel homo- and copolymers using atom transfer radical polymerization287US 5,789,487 ACarnegie Mellon University · 1998