C08G 18/7642
Containing at least two isocyanate or isothiocyanate groups linked to the aromatic
Official title: {containing at least two isocyanate or isothiocyanate groups linked to the aromatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate groups, e.g. xylylene diisocyanate or homologues substituted on the aromatic ring}
C08G18/7642 (Containing at least two isocyanate or isothiocyanate groups linked to the aromatic) appears on 295 US grants and 485 published applications in this corpus.
Search patents in C08G- Granted patents
- 295
- Published applications
- 485
- Assignees
- 176
- Inventors
- 934
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 3 |
| 2003 | 4 | 5 |
| 2004 | 1 | 6 |
| 2005 | 3 | 4 |
| 2006 | 4 | 2 |
| 2007 | 4 | 4 |
| 2008 | 1 | 5 |
| 2009 | 3 | 13 |
| 2010 | 1 | 14 |
| 2011 | 6 | 13 |
| 2012 | 3 | 8 |
| 2013 | 10 | 6 |
| 2014 | 3 | 11 |
| 2015 | 8 | 20 |
| 2016 | 10 | 16 |
| 2017 | 11 | 27 |
| 2018 | 14 | 40 |
| 2019 | 20 | 51 |
| 2020 | 37 | 38 |
| 2021 | 20 | 39 |
| 2022 | 20 | 47 |
| 2023 | 26 | 39 |
| 2024 | 21 | 31 |
| 2025 | 24 | 24 |
| 2026 | 20 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thiol urethane group-containing polymerizable composition15 Sep 2026US 12,735,520 B2Kulzer GmbH
- Xylylene diisocynate composition, preparation method therefor and use thereof14 Jul 2026US 12,679,923 B2Wanhua Chemical Group Co., Ltd.
- Xylylene diisocyanate composition, xylylene diisocyanate modified composition, polymerizable composition, resin, molded article, optical element, and lens16 Jun 2026US 12,655,246 B2Mitsui Chemicals, Inc.
- Resin composition and film16 Jun 2026US 12,655,277 B2Toppan Inc.
- Xylylene diisocyanate composition and optical composition comprising same9 Jun 2026US 12,649,818 B2SK Pucore Co., Ltd.
- Ophthalmic lens comprising an acrylonitrile compound24 Sep 2026US 2026/0286135 A1Essilor International
- Optical film, optical effect film, easily adhesive film, optical multilayer body, surface plate, image display device, and polarizing plate27 Aug 2026US 2026/0251821 A1Dai Nippon Printing Co.Ltd.
- Method of curing a polythiourethane-based substrate from a pre-polymer20 Aug 2026US 2026/0242527 A1Essilor International
- Microcapsules13 Aug 2026US 2026/0234512 A1Iberchem S.A.U.
- Polyurethane dispersion, gas barrier coating material, and method for producing polyurethane dispersion30 Jul 2026US 2026/0218005 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Impact resistant polyurethane and method of manufacture thereof79US 6,127,505 ASimula, Inc. · 2000
- S-alkyl thiocarbamate base lens resin60US 4,689,387 AMitsui Toatsu Chemicals, Inc. · 1987
- Toner47US 9,309,349 B2Canon Kabushiki Kaisha · 2016
- In-situ bonds42US 6,524,327 B1Praxis, LLC. · 2003
- Composition for a resin38US 6,130,307 AMitsubishi Gas Chemical Company, Inc. · 2000