C08G 18/61
Polysiloxanes
C08G18/61 (Polysiloxanes) appears on 728 US grants and 715 published applications in this corpus.
Search patents in C08G- Granted patents
- 728
- Published applications
- 715
- Assignees
- 374
- Inventors
- 1,967
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 12 | 0 |
| 1987 | 9 | 0 |
| 1988 | 15 | 0 |
| 1989 | 18 | 0 |
| 1990 | 13 | 0 |
| 1991 | 12 | 0 |
| 1992 | 18 | 0 |
| 1993 | 14 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 16 | 0 |
| 1999 | 23 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 2 |
| 2002 | 16 | 13 |
| 2003 | 12 | 23 |
| 2004 | 13 | 26 |
| 2005 | 6 | 21 |
| 2006 | 18 | 25 |
| 2007 | 11 | 21 |
| 2008 | 17 | 22 |
| 2009 | 10 | 32 |
| 2010 | 19 | 32 |
| 2011 | 14 | 19 |
| 2012 | 20 | 19 |
| 2013 | 17 | 26 |
| 2014 | 20 | 24 |
| 2015 | 19 | 28 |
| 2016 | 18 | 28 |
| 2017 | 25 | 28 |
| 2018 | 18 | 33 |
| 2019 | 22 | 41 |
| 2020 | 32 | 53 |
| 2021 | 30 | 41 |
| 2022 | 24 | 58 |
| 2023 | 30 | 28 |
| 2024 | 19 | 32 |
| 2025 | 29 | 24 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Amphiphilic siloxane-polyurethane fouling-release coatings4 Aug 2026US 12,698,405 B2NDSU Research Foundation
- Fibers, fiber multilayer structure, spinning solution for electrospinning, and method for producing fibers7 Jul 2026US 12,674,017 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Process for the preparation of hydroxyl-functionalized polyether-polysiloxane block copolymers9 Jun 2026US 12,649,828 B2Henkel AG & Co. KGaA
- Internally emulisified polyurethane dispersion and method for preparing the same2 Jun 2026US 12,644,224 B2Dow Global Technologies LLC
- Composition for coating materials26 May 2026US 12,637,582 B2Nippon Paint Automotive Coatings Co., Ltd.
- Stabilizers for polymer foams based on recycling of polydimethylsiloxane8 Oct 2026US 2026/0308305 A1Evonik Operations GmbH
- Fibers, fiber multilayer structure, spinning solution for electrospinning, and method for producing fibers1 Oct 2026US 2026/0297241 A1Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Thermoplastic polyurethanes with high temperature stability and uses thereof3 Sep 2026US 2026/0258189 A1Lubrizol Advanced Materials, Inc.
- Radiation curable compositions for coating optical fibers27 Aug 2026US 2026/0250540 A1Covestro LLC
- Functionalized thermoplastic polyurethane, method for producing same, method for producing highly functional medical composite material using same, and medical device including same20 Aug 2026US 2026/0242532 A1I-Sens, Inc.
Most cited
By later US patents
- Polyurethane/polyurea compositions containing silicone for biosensor membranes783US 5,882,494 AMiniMed Inc. · 1999
- Polysiloxane hydrogels775US 4,136,250 ACiba-Geigy Corporation · 1979
- Novel prepolymers useful in biomedical devices618US 5,034,461 ABausch & Lomb Incorporated · 1991
- Extended wear ophthalmic lens578US 5,760,100 ACIBA Vision Corporation · 1998
- Hydrophilic and hydrophobic polyether polyurethanes and uses therefor530US 5,993,972 ATyndale Plains-Hunter, Ltd. · 1999