C08G 18/7818
Containing ureum or ureum derivative groups
Official title: {containing ureum or ureum derivative groups}
C08G18/7818 (Containing ureum or ureum derivative groups) appears on 732 US grants and 781 published applications in this corpus.
Search patents in C08G- Granted patents
- 732
- Published applications
- 781
- Assignees
- 315
- Inventors
- 1,924
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 14 | 0 |
| 1987 | 17 | 0 |
| 1988 | 15 | 0 |
| 1989 | 16 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 17 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 16 | 6 |
| 2002 | 15 | 12 |
| 2003 | 15 | 20 |
| 2004 | 15 | 19 |
| 2005 | 5 | 25 |
| 2006 | 10 | 27 |
| 2007 | 5 | 30 |
| 2008 | 6 | 30 |
| 2009 | 5 | 27 |
| 2010 | 13 | 37 |
| 2011 | 22 | 25 |
| 2012 | 14 | 26 |
| 2013 | 16 | 25 |
| 2014 | 19 | 30 |
| 2015 | 23 | 31 |
| 2016 | 24 | 40 |
| 2017 | 30 | 32 |
| 2018 | 25 | 35 |
| 2019 | 31 | 39 |
| 2020 | 30 | 48 |
| 2021 | 22 | 47 |
| 2022 | 23 | 44 |
| 2023 | 18 | 43 |
| 2024 | 21 | 33 |
| 2025 | 29 | 27 |
| 2026 | 15 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Producing isocyanate-terminated, urethane group-containing prepolymers1 Sep 2026US 12,723,123 B2Covestro Deutschland AG
- Water-dispersible polyisocyanate, aqueous polyurethane resin composition, and article25 Aug 2026US 12,715,956 B2Mitsui Chemicals, Inc.
- Xylylene diisocyanate composition, xylylene diisocyanate modified composition, polymerizable composition, resin, molded article, optical element, and lens16 Jun 2026US 12,655,246 B2Mitsui Chemicals, Inc.
- Free-radically polymerizable compounds, compositions including the same, polymerized compounds, methods of making and articles including the same2 Jun 2026US 12,645,139 B23M Innovative Properties Company
- Non-ionic hydrophilized polyisocyanates having a very low monomer content26 May 2026US 12,637,535 B2Covestro Deutschland AG
- Active-energy-ray-curable coating composition and molded article27 Aug 2026US 2026/0250514 A1DIC Corporation
- Protective film, optical article including the same, and method for preparing the protective film27 Aug 2026US 2026/0250521 A1Electronics and Telecommunications Research Institute
- Resin Particle Dispersion for Inkjet Printing27 Aug 2026US 2026/0250538 A1Agfa NV
- A method for floating microspheres in a (meth)acrylic polyurethane copolymer and articles thereof20 Aug 2026US 2026/0242615 A13M Innovative Properties Company
- Anti-glare protective film and optical article including the same13 Aug 2026US 2026/0234436 A1Electronics and Telecommunications Research Institute
Most cited
By later US patents
- Method for free-formation of a free-standing, three-dimensional body196US 5,510,066 AGuild Associates, Inc. · 1996
- Process for the production of polyurethane coatings194US 5,126,170 ABayer Aktiengesellschaft · 1992
- Process for the production of polyurethane coatings134US 5,236,741 ABayer Aktiengesellschaft · 1993
- Thin film hydrophilic coatings113US 5,688,855 AS.K.Y. Polymers, Inc. · 1997
- Stable, colloidal, aqueous dispersions of cross-linked urea-urethane polymers and their method of production108US 4,408,008 AMobay Chemical Corporation · 1983