C08G 18/7628
Containing at least one isocyanate or isothiocyanate group linked to the aromatic
Official title: {containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group}
C08G18/7628 (Containing at least one isocyanate or isothiocyanate group linked to the aromatic) appears on 558 US grants and 718 published applications in this corpus.
Search patents in C08G- Granted patents
- 558
- Published applications
- 718
- Assignees
- 280
- Inventors
- 1,497
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 15 | 2 |
| 2002 | 8 | 9 |
| 2003 | 10 | 20 |
| 2004 | 11 | 17 |
| 2005 | 9 | 21 |
| 2006 | 12 | 8 |
| 2007 | 9 | 26 |
| 2008 | 3 | 17 |
| 2009 | 7 | 19 |
| 2010 | 6 | 22 |
| 2011 | 9 | 17 |
| 2012 | 8 | 17 |
| 2013 | 18 | 17 |
| 2014 | 13 | 14 |
| 2015 | 13 | 25 |
| 2016 | 15 | 21 |
| 2017 | 16 | 29 |
| 2018 | 21 | 51 |
| 2019 | 23 | 61 |
| 2020 | 46 | 50 |
| 2021 | 30 | 55 |
| 2022 | 24 | 55 |
| 2023 | 31 | 58 |
| 2024 | 31 | 37 |
| 2025 | 36 | 27 |
| 2026 | 25 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 18/7642Containing at least two isocyanate or isothiocyanate groups linked to the aromatic295
- C08G 18/765Alpha, alpha, alpha', alpha', -tetraalkylxylylene diisocyanate or homologues substituted on the aromatic240
- C08G 18/7635Containing one isocyanate or isothiocyanate group linked to the aromatic ring by9
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
- 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.
- 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
- Functionalized polyurethanes309US 6,177,523 B1CardioTech International, Inc. · 2001
- Electro-optic displays, and materials for use therein112US 7,551,346 B2Air Products and Chemicals, Inc. · 2009
- Microcapsules with readily adjustable release rates88US 5,925,595 AMonsanto Company · 1999
- Impact resistant polyurethane and method of manufacture thereof79US 6,127,505 ASimula, Inc. · 2000
- 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