C08G 75/06
From cyclic thioethers
Official title: from cyclic thioethers
C08G75/06 (From cyclic thioethers) appears on 238 US grants and 262 published applications in this corpus.
Search patents in C08G- Granted patents
- 238
- Published applications
- 262
- Assignees
- 121
- Inventors
- 543
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 4 |
| 2002 | 7 | 4 |
| 2003 | 8 | 8 |
| 2004 | 3 | 7 |
| 2005 | 2 | 5 |
| 2006 | 11 | 2 |
| 2007 | 3 | 6 |
| 2008 | 5 | 2 |
| 2009 | 1 | 6 |
| 2010 | 2 | 12 |
| 2011 | 5 | 9 |
| 2012 | 2 | 10 |
| 2013 | 13 | 16 |
| 2014 | 14 | 18 |
| 2015 | 11 | 31 |
| 2016 | 20 | 19 |
| 2017 | 12 | 7 |
| 2018 | 21 | 16 |
| 2019 | 5 | 5 |
| 2020 | 15 | 8 |
| 2021 | 5 | 16 |
| 2022 | 7 | 11 |
| 2023 | 6 | 15 |
| 2024 | 8 | 9 |
| 2025 | 7 | 13 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Spectacle lens21 Apr 2026US 12,606,692 B2Hoya Lens Thailand Ltd.
- Composition for optical material17 Feb 2026US 12,552,902 B2Mitsubishi Gas Chemical Company, Inc.
- High transparency electrochromic polymers20 Jan 2026US 12,529,932 B2Ambilight Inc.
- Composition, and optical material and lens using same2 Dec 2025US 12,486,352 B2Mitsubishi Gas Chemical Company, Inc.
- Diffraction light guide plate and manufacturing method thereof14 Oct 2025US 12,441,843 B2LG Chem.Ltd.
- Method for producing tetrafunctional thiol with episulfide resin as starting material1 Oct 2026US 2026/0299165 A1Mitsubishi Gas Chemical Company, Inc.
- Episulfide composition, polymerizable composition, cured product, optical material, and lens6 Aug 2026US 2026/0226236 A1Mitsui Chemicals, Inc.
- Photocurable resin composition19 Feb 2026US 2026/0049181 A1The University of Birmingham
- Disulfidated polymers and methods of preparation18 Dec 2025US 2025/0382419 A1The Regents of the University of Colorado, a body corporate
- Monomer for optical component, polymerizable composition for optical component, cured product, and spectacle lens11 Dec 2025US 2025/0376456 A1Hoya Lens Thailand Ltd.
Most cited
By later US patents
- Sulfide-containing polythiols95US 7,009,032 B2PPG Industries Ohio, Inc. · 2006
- Resin for optical material90US 6,117,923 AMitsubishi Gas Chemical Company, Inc. · 2000
- Gas separations utilizing glassy polymer membranes at sub-ambient temperatures80US 5,837,032 AThe Cynara Company · 1998
- Alkyl sulfide type episulfide compound74US 5,807,975 AMitsubishi Gas Chemical Company, Inc. · 1998
- Episulfide compound67US 5,945,504 AMitsubishi Gas Chemical Company, Inc. · 1999