C08G 18/52
Polythioethers
C08G18/52 (Polythioethers) appears on 62 US grants and 53 published applications in this corpus.
Search patents in C08G- Granted patents
- 62
- Published applications
- 53
- Assignees
- 34
- Inventors
- 145
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 3 | 2 |
| 2015 | 1 | 6 |
| 2016 | 4 | 4 |
| 2017 | 4 | 4 |
| 2018 | 1 | 0 |
| 2019 | 2 | 5 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 3 | 5 |
| 2023 | 3 | 1 |
| 2024 | 1 | 3 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Two component coating compositions16 Jun 2026US 12,655,247 B2PPG Industries Ohio, Inc.
- Sulfur-based functional prepolymers for polyurethanes and polymeric materials27 Jan 2026US 12,534,565 B2Arizona Board of Regents on Behalf of the University of Arizona
- Optically softening resin composition, method for producing softened product of optically softening resin composition, curable resin composition and cured product of same, and patterned film and method for producing same5 Aug 2025US 12,378,376 B2Resonac Corporation
- Polymerizable composition for optical materials and use thereof8 Apr 2025US 12,269,914 B2Mitsui Chemicals, Inc.
- Actinic radiation-curable urethane/urea-containing aerospace coatings and sealants13 Feb 2024US 11,898,054 B2PRC-DeSoto International, Inc.
- Polythiols, methods of making them, and polymerizable compositions13 Aug 2026US 2026/0234334 A1PPG Industries Ohio, Inc.
- Coating compositions6 Nov 2025US 2025/0340693 A1PPG Industries Ohio, Inc.
- Oxidatively Degrading and ROS Scavenging Polymers23 Oct 2025US 2025/0325728 A1Bridgeway Innovations, LLC
- Hydrophilic poly(thioketal) urethane scaffolds and methods of use thereof11 Jul 2024US 2024/0226372 A1Vanderbilt University
- Isocyanate-functionalized organosilanes as adhesion promoters in sealant and primer compositions4 Jul 2024US 2024/0218204 A1Chemetall GmbH
Most cited
By later US patents
- Hydrophilic or hydrogel carrier systems such as coatings, body implants and other articles353US 3,975,350 APrinceton Polymer Laboratories, Incorporated · 1976
- Liquid polythioethers193US 4,366,307 AProducts Research & Chemical Corp. · 1982
- Compositions including a polythioether49US 7,879,955 B22011
- Sulfur-containing urethane-based resin and composition and process for producing the resin41US 6,100,362 AMitsui Chemicals, Inc. · 2000
- Polythiol useful for preparing sulfur-containing urethane-based resin and process for producing the same35US 5,608,115 AMitsui Toatsu Chemicals, Inc. · 1997