C08G 18/3855
Having sulfur
Official title: {having sulfur}
C08G18/3855 (Having sulfur) appears on 706 US grants and 868 published applications in this corpus.
Search patents in C08G- Granted patents
- 706
- Published applications
- 868
- Assignees
- 316
- Inventors
- 1,787
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 4 | 0 |
| 1990 | 13 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 5 |
| 2002 | 10 | 9 |
| 2003 | 11 | 14 |
| 2004 | 5 | 12 |
| 2005 | 5 | 14 |
| 2006 | 12 | 14 |
| 2007 | 4 | 31 |
| 2008 | 6 | 20 |
| 2009 | 8 | 28 |
| 2010 | 9 | 27 |
| 2011 | 15 | 26 |
| 2012 | 13 | 19 |
| 2013 | 16 | 24 |
| 2014 | 24 | 21 |
| 2015 | 26 | 41 |
| 2016 | 22 | 25 |
| 2017 | 29 | 59 |
| 2018 | 30 | 49 |
| 2019 | 36 | 66 |
| 2020 | 37 | 51 |
| 2021 | 30 | 73 |
| 2022 | 33 | 63 |
| 2023 | 44 | 55 |
| 2024 | 28 | 46 |
| 2025 | 35 | 40 |
| 2026 | 28 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Sulfur containing polyisocyanate polyaddition (PIPA) polyol with improved flame retardant properties and foams containing them8 Sep 2026US 12,729,264 B2Dow Global Technologies LLC
- Dispersions that are substantially free of volatile organic compounds and that have a high solids content8 Sep 2026US 12,729,266 B2Stahl International B.V.
- Hydrophilically modified polyisocyanates comprising silane and thioallophanate structures1 Sep 2026US 12,723,127 B2Covestro Deutschland AG
- Use of Polyurethane Elastomers Based on or Use of Kit-Of-Parts Comprising MDI-Polyadipate Prepolymers and Polyamine Chain-Extenders in Pulp and Paper Applications, Preferably in the Manufacture of Die Cutting Pads, Anvil Covers, Rollers and Zero Crush Wheels8 Oct 2026US 2026/0308850 A1Covestro Deutschland AG
- Process for Recycling Polythiourethanes, Thio Compounds, and Use Thereof24 Sep 2026US 2026/0286086 A1Bruno Bock GmbH
- Ophthalmic lens comprising an acrylonitrile compound24 Sep 2026US 2026/0286135 A1Essilor International
- Dual cure 3d printing resins17 Sep 2026US 2026/0275022 A1Stratasys, Inc.
- Upcycling polyurethane foam by incorporation of dynamic covalent adaptable networks17 Sep 2026US 2026/0275023 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Aqueous polyurethane dispersions from solvent-free prepolymers using sulfonate diols142US 4,108,814 ABayer Aktiengesellschaft · 1978
- 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
- Water-and oil-repellency imparting urethane oligomers comprising perfluoroalkyl moieties71US 6,803,109 B23M Innovative Properties Company · 2004