C08G 18/79
Characterised by the polyisocyanates used, these having groups formed by oligomerisation of
Official title: characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
C08G18/79 (Characterised by the polyisocyanates used, these having groups formed by oligomerisation of) appears on 2,604 US grants and 3,194 published applications in this corpus.
Search patents in C08G- Granted patents
- 2,604
- Published applications
- 3,194
- Assignees
- 829
- Inventors
- 6,734
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 19 | 0 |
| 1979 | 10 | 0 |
| 1980 | 13 | 0 |
| 1981 | 22 | 0 |
| 1982 | 10 | 0 |
| 1983 | 14 | 0 |
| 1984 | 22 | 0 |
| 1985 | 32 | 0 |
| 1986 | 19 | 0 |
| 1987 | 32 | 0 |
| 1988 | 27 | 0 |
| 1989 | 30 | 0 |
| 1990 | 27 | 0 |
| 1991 | 24 | 0 |
| 1992 | 43 | 0 |
| 1993 | 37 | 0 |
| 1994 | 29 | 0 |
| 1995 | 28 | 0 |
| 1996 | 38 | 0 |
| 1997 | 18 | 0 |
| 1998 | 49 | 0 |
| 1999 | 52 | 0 |
| 2000 | 36 | 0 |
| 2001 | 37 | 15 |
| 2002 | 52 | 56 |
| 2003 | 48 | 92 |
| 2004 | 51 | 101 |
| 2005 | 42 | 88 |
| 2006 | 51 | 92 |
| 2007 | 34 | 118 |
| 2008 | 28 | 94 |
| 2009 | 34 | 99 |
| 2010 | 54 | 115 |
| 2011 | 62 | 99 |
| 2012 | 53 | 100 |
| 2013 | 70 | 110 |
| 2014 | 90 | 131 |
| 2015 | 107 | 139 |
| 2016 | 90 | 114 |
| 2017 | 83 | 110 |
| 2018 | 96 | 163 |
| 2019 | 109 | 175 |
| 2020 | 132 | 194 |
| 2021 | 111 | 202 |
| 2022 | 105 | 223 |
| 2023 | 113 | 166 |
| 2024 | 110 | 180 |
| 2025 | 120 | 127 |
| 2026 | 79 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cover coating with good adhesion on polyurethane and polyurea membranes6 Oct 2026US 12,753,267 B2Sika Technology AG
- Storage-stable polyisocyanate composition and preparation method therefor1 Sep 2026US 12,723,124 B2Wanhua Chemical Group Co., Ltd.
- Aliphatic polyisocyanate composition, preparation method therefor, and coating composition1 Sep 2026US 12,723,126 B2Wanhua Chemical Group Co., Ltd.
- Water-dispersible polyisocyanate, aqueous polyurethane resin composition, and article25 Aug 2026US 12,715,956 B2Mitsui Chemicals, Inc.
- Curable coating compositions25 Aug 2026US 12,716,010 B2PPG Industries Ohio, Inc.
- Polyisocyanates with improved properties3 Sep 2026US 2026/0258190 A1Covestro Deutschland AG
- Process for wet on wet application of a multilayer coating3 Sep 2026US 2026/0258278 A1Axalta Coating Systems IP Co., LLC
- Urea-containing polyurethane acrylate resin, composite material, and method for preparing composite material thereof27 Aug 2026US 2026/0250456 A1Swancor Innovation & Incubation Co., Ltd.
- 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
Most cited
By later US patents
- Process for preparing amide acetals1,464US 7,439,354 B2E. I. Du Pont de Nemours and Company · 2008
- 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
- Polyisocyanate preparation dispersible in water and their use as an additive for aqueous adhesives123US 4,663,377 ABayer Aktiengesellschaft · 1987
- Process for the preparation of polyisocyanates containing isocyanurate groups and the use thereof112US 4,324,879 ABayer Aktiengesellschaft · 1982