C08K 5/38
Thiocarbonic acids
Official title: Thiocarbonic acids; Derivatives thereof, e.g. xanthates {; i.e. compounds containing -X-C(=X)- groups, X being oxygen or sulfur, at least one X being sulfur}
C08K5/38 (Thiocarbonic acids) appears on 100 US grants and 98 published applications in this corpus.
Search patents in C08K- Granted patents
- 100
- Published applications
- 98
- Assignees
- 86
- Inventors
- 307
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 4 |
| 2009 | 2 | 2 |
| 2010 | 3 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 5 |
| 2015 | 5 | 3 |
| 2016 | 4 | 5 |
| 2017 | 4 | 3 |
| 2018 | 2 | 3 |
| 2019 | 2 | 4 |
| 2020 | 7 | 17 |
| 2021 | 7 | 6 |
| 2022 | 4 | 11 |
| 2023 | 2 | 13 |
| 2024 | 9 | 2 |
| 2025 | 4 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Latex composition and dip molded body16 Jun 2026US 12,655,241 B2Zeon Corporation
- Fluoropolymer production method and fluoropolymer21 Apr 2026US 12,606,654 B2Daikin Industries, Ltd.
- Rubber composition and rubber product6 Jan 2026US 12,516,144 B2Bridgestone Corporation
- Method for producing latex composition23 Dec 2025US 12,503,571 B2Zeon Corporation
- Latex composition production method23 Dec 2025US 12,503,584 B2Zeon Corporation
- Tire rubber composition, tread rubber, and tire24 Sep 2026US 2026/0286108 A1
- Fluoropolymer production method and fluoropolymer16 Jul 2026US 2026/0201089 A1Daikin Industries, Ltd.
- Rubber compositions and articles thereof9 Jul 2026US 2026/0193457 A1The Goodyear Tire & Rubber Company
- Biodegradable polyurethane and method for preparing the same2 Jul 2026US 2026/0184850 A1Hyundai Motor Company
- Dynamically crosslinked multiblock copolymers for compatibilizing immiscible mixed plastics28 Aug 2025US 2025/0270385 A1Colorado State University Research Foundation
Most cited
By later US patents
- Solid golf ball167US 5,252,652 ABridgestone Corporation · 1993
- Films and containers of heat resistant copolyesters69US 5,124,388 AEastman Kodak Company · 1992
- Process for the stabilization of polyvinyl chloride and stabilizer compositions29US 4,338,226 ANeynaber Chemie GmbH · 1982
- Vulcanizable rubber compositions containing xanthogen polysulfide and xanthate compounds24US 4,695,609 ARobinson Brothers Limited · 1987
- Polymerization with living characteristics23US 7,714,075 B1Commonwealth Scientific and Industrial Research Organisation · 2010