C08G 18/77
Having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen
Official title: having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
C08G18/77 (Having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen) appears on 3,464 US grants and 3,909 published applications in this corpus.
Search patents in C08G- Granted patents
- 3,464
- Published applications
- 3,909
- Assignees
- 1,033
- Inventors
- 8,197
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 19 | 0 |
| 1978 | 31 | 0 |
| 1979 | 28 | 0 |
| 1980 | 34 | 0 |
| 1981 | 36 | 0 |
| 1982 | 22 | 0 |
| 1983 | 23 | 0 |
| 1984 | 37 | 0 |
| 1985 | 43 | 0 |
| 1986 | 39 | 0 |
| 1987 | 54 | 0 |
| 1988 | 46 | 0 |
| 1989 | 50 | 0 |
| 1990 | 42 | 0 |
| 1991 | 43 | 0 |
| 1992 | 67 | 0 |
| 1993 | 49 | 0 |
| 1994 | 39 | 0 |
| 1995 | 33 | 0 |
| 1996 | 58 | 0 |
| 1997 | 32 | 0 |
| 1998 | 68 | 0 |
| 1999 | 64 | 0 |
| 2000 | 54 | 0 |
| 2001 | 60 | 22 |
| 2002 | 67 | 72 |
| 2003 | 60 | 111 |
| 2004 | 64 | 124 |
| 2005 | 49 | 113 |
| 2006 | 65 | 118 |
| 2007 | 40 | 144 |
| 2008 | 33 | 120 |
| 2009 | 41 | 124 |
| 2010 | 70 | 161 |
| 2011 | 82 | 129 |
| 2012 | 69 | 124 |
| 2013 | 91 | 129 |
| 2014 | 109 | 160 |
| 2015 | 127 | 168 |
| 2016 | 116 | 148 |
| 2017 | 106 | 142 |
| 2018 | 118 | 193 |
| 2019 | 137 | 204 |
| 2020 | 157 | 224 |
| 2021 | 125 | 252 |
| 2022 | 128 | 268 |
| 2023 | 134 | 200 |
| 2024 | 140 | 206 |
| 2025 | 138 | 145 |
| 2026 | 95 | 108 |
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
- Composition and method for a root canal filling8 Sep 2026US 12,728,078 B2Rutgers, The State University of New Jersey
- Producing isocyanate-terminated, urethane group-containing prepolymers1 Sep 2026US 12,723,123 B2Covestro Deutschland 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.
- Fibers, fiber multilayer structure, spinning solution for electrospinning, and method for producing fibers1 Oct 2026US 2026/0297241 A1Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- 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
Most cited
By later US patents
- Process for preparing amide acetals1,464US 7,439,354 B2E. I. Du Pont de Nemours and Company · 2008
- Fast curing compositions996US 6,894,140 B2Tyco Healthecare Gropu LP · 2005
- 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