C08G 18/3876
Containing mercapto groups
Official title: {containing mercapto groups}
C08G18/3876 (Containing mercapto groups) appears on 395 US grants and 524 published applications in this corpus.
Search patents in C08G- Granted patents
- 395
- Published applications
- 524
- Assignees
- 163
- Inventors
- 863
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 8 | 6 |
| 2003 | 7 | 8 |
| 2004 | 4 | 8 |
| 2005 | 4 | 10 |
| 2006 | 8 | 8 |
| 2007 | 2 | 10 |
| 2008 | 3 | 14 |
| 2009 | 5 | 20 |
| 2010 | 7 | 23 |
| 2011 | 12 | 17 |
| 2012 | 7 | 15 |
| 2013 | 9 | 15 |
| 2014 | 10 | 8 |
| 2015 | 18 | 22 |
| 2016 | 12 | 16 |
| 2017 | 17 | 41 |
| 2018 | 21 | 29 |
| 2019 | 26 | 39 |
| 2020 | 20 | 27 |
| 2021 | 13 | 47 |
| 2022 | 19 | 40 |
| 2023 | 28 | 33 |
| 2024 | 16 | 28 |
| 2025 | 25 | 21 |
| 2026 | 17 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymerizable composition for optical material, optical material, and use thereof29 Sep 2026US 12,747,336 B2Mitsui Chemicals, Inc.
- Thiol urethane group-containing polymerizable composition15 Sep 2026US 12,735,520 B2Kulzer GmbH
- Curable coating compositions25 Aug 2026US 12,716,010 B2PPG Industries Ohio, Inc.
- Xylylene diisocynate composition, preparation method therefor and use thereof14 Jul 2026US 12,679,923 B2Wanhua Chemical Group Co., Ltd.
- Dual cure 3D printing resins7 Jul 2026US 12,674,015 B2Stratasys, Inc.
- Ophthalmic lens comprising an acrylonitrile compound24 Sep 2026US 2026/0286135 A1Essilor International
- Dual cure 3d printing resins17 Sep 2026US 2026/0275022 A1Stratasys, Inc.
- Polythiol, polymerizable composition for optical materials, optical material, and method for producing same10 Sep 2026US 2026/0265439 A1Hoya Lens Thailand Ltd.
- Method of curing a polythiourethane-based substrate from a pre-polymer20 Aug 2026US 2026/0242527 A1Essilor International
- Xylylene diisocyanate composition, xylylene diisocyanate modified composition, polymerizable composition, resin, molded article, optical element, and lens11 Jun 2026US 2026/0159635 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- System for packaging, processing, activating, and deactivating multiple individual transaction cards as a singular unit139US 7,740,170 B2Blackhawk Network, Inc. · 2010
- Sulfide-containing polythiols95US 7,009,032 B2PPG Industries Ohio, Inc. · 2006
- High-refractivity plastic lens resin formed by reacting at least one polyisocyanate with at least one polythiol73US 4,775,733 AMitsui Toatsu Chemicals, Inc. · 1988
- Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur-containing urethane resin lens and lens prepared thereby69US 5,753,730 AMitsui Toatsu Chemicals, Inc. · 1998
- Composition for urethane-base plastic lens, urethane-base plastic lens obtained from the composition, and process for the production of the plastic lens66US 5,693,738 AMitsui Toatsu Chemicals, Inc. · 1997