C08G 18/7837
Containing allophanate groups
Official title: {containing allophanate groups}
C08G18/7837 (Containing allophanate groups) appears on 299 US grants and 366 published applications in this corpus.
Search patents in C08G- Granted patents
- 299
- Published applications
- 366
- Assignees
- 127
- Inventors
- 823
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 3 |
| 2002 | 7 | 2 |
| 2003 | 10 | 7 |
| 2004 | 7 | 12 |
| 2005 | 4 | 10 |
| 2006 | 6 | 12 |
| 2007 | 3 | 13 |
| 2008 | 2 | 12 |
| 2009 | 2 | 16 |
| 2010 | 6 | 23 |
| 2011 | 13 | 19 |
| 2012 | 6 | 12 |
| 2013 | 8 | 6 |
| 2014 | 12 | 13 |
| 2015 | 8 | 17 |
| 2016 | 11 | 21 |
| 2017 | 14 | 18 |
| 2018 | 10 | 18 |
| 2019 | 17 | 18 |
| 2020 | 15 | 23 |
| 2021 | 6 | 23 |
| 2022 | 15 | 24 |
| 2023 | 10 | 15 |
| 2024 | 11 | 14 |
| 2025 | 13 | 9 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Non-ionic hydrophilized polyisocyanates having a very low monomer content26 May 2026US 12,637,535 B2Covestro Deutschland AG
- Distillation of polyisocyanates19 May 2026US 12,630,662 B2Covestro Deutschland AG
- Active-energy-ray-curable coating composition and molded article27 Aug 2026US 2026/0250514 A1DIC Corporation
- Polyisocyanate mixture9 Jul 2026US 2026/0193405 A1Covestro Deutschland AG
- Resin composition for preparing a thermoplastic polymer matrix11 Jun 2026US 2026/0159631 A1Covestro Deutschland AG
- Xylylene diisocyanate composition, xylylene diisocyanate modified composition, polymerizable composition, resin, molded article, optical element, and lens11 Jun 2026US 2026/0159635 A1Mitsui Chemicals, Inc.
- Curable compositions, articles and coated articles formed therefrom2 Apr 2026US 2026/0092161 A1PPG Industries Ohio, Inc.
Most cited
By later US patents
- Coating agents which can be hardened by the addition of isocyanate groups as well as by the radiation-induced addition of activated c-c double covalent bonds81US 6,617,413 B1BASF SE · 2003
- Process for the preparation of allophanates which contain isocyanate groups72US 4,160,080 ABayer Aktiengesellschaft · 1979
- Polyether-modified polyisocyanate mixtures having improved dispersibility in water61US 6,426,414 B1Bayer Aktiengesellschaft · 2002
- Polyisocyanates containing allophanate and isocyanurate groups, a process for their production and their use in two-component coating compositions58US 5,235,018 AMiles Inc. · 1993
- Process for the production of polyisocyanates containing allophanate groups56US 4,810,820 AMobay Corporation · 1989