C08G 18/7664
Containing alkylene polyphenyl groups
Official title: {containing alkylene polyphenyl groups}
C08G18/7664 (Containing alkylene polyphenyl groups) appears on 2,659 US grants and 4,074 published applications in this corpus.
Search patents in C08G- Granted patents
- 2,659
- Published applications
- 4,074
- Assignees
- 1,186
- Inventors
- 7,582
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 9 | 0 |
| 1978 | 13 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 11 | 0 |
| 1983 | 10 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 16 | 0 |
| 1991 | 22 | 0 |
| 1992 | 29 | 0 |
| 1993 | 23 | 0 |
| 1994 | 15 | 0 |
| 1995 | 16 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 22 | 0 |
| 2001 | 13 | 8 |
| 2002 | 26 | 24 |
| 2003 | 21 | 27 |
| 2004 | 18 | 34 |
| 2005 | 17 | 35 |
| 2006 | 15 | 35 |
| 2007 | 13 | 40 |
| 2008 | 6 | 49 |
| 2009 | 19 | 58 |
| 2010 | 19 | 87 |
| 2011 | 26 | 78 |
| 2012 | 33 | 101 |
| 2013 | 49 | 145 |
| 2014 | 79 | 160 |
| 2015 | 87 | 165 |
| 2016 | 128 | 225 |
| 2017 | 145 | 246 |
| 2018 | 147 | 252 |
| 2019 | 191 | 318 |
| 2020 | 205 | 344 |
| 2021 | 217 | 344 |
| 2022 | 185 | 388 |
| 2023 | 195 | 280 |
| 2024 | 237 | 252 |
| 2025 | 181 | 219 |
| 2026 | 90 | 160 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for the production of a polyurethane sandwich element6 Oct 2026US 12,753,284 B2Covestro Deutschland AG
- Hydrophilic acrylic-modified polyurethane and method for preparing same, and water-based paint composition prepared therefrom and manufacturing method thereof22 Sep 2026US 12,742,036 B2Samyang Corporation
- Polyurethane-reactive system for pultrusion15 Sep 2026US 12,735,526 B2Covestro Deutschland AG
- Compound, binder resin, negative-type photosensitive resin composition, and display device comprising black bank formed using same15 Sep 2026US 12,736,876 B2LG Chem.Ltd.
- Polyurethanes from depolymerized lignin containing lignin monomers8 Sep 2026US 12,729,265 B2Vito NV
- Recycleable bioplastics, methods of manufacture thereof and articles comprising the same8 Oct 2026US 2026/0308306 A1University of Connecticut
- Method for the Production of a Thermoplastic Polyurethane Powder by Means of Precipitation Polymerisation1 Oct 2026US 2026/0297239 A1Covestro Deutschland AG
- Polyurethane polyisocyanate, method for producing polyurethane polyisocyanate, polyisocyanate composition, adhesive, layered product, and packaging material1 Oct 2026US 2026/0297401 A1DIC Corporation
- Polyol compositions and uses thereof in polyurethane foams24 Sep 2026US 2026/0286038 A1
- Polyurethane insulation foam composition comprising a stabilizing compound17 Sep 2026US 2026/0275024 A1Huntsman International LLC
Most cited
By later US patents
- Fast curing compositions996US 6,894,140 B2Tyco Healthecare Gropu LP · 2005
- At least partially resorbable reticulated elastomeric matrix elements and methods of making same952US 9,050,176 B2Biomerix Corporation · 2015
- Segmented polyether polyurethane385US 4,849,458 AMatrix Medica, Inc. · 1989
- Polyurethane resins having multiple mechanisms of hardening for use in producing three-dimensional objects271US 9,453,142 B2Carbon3D, Inc. · 2016
- Golf ball with polyurethane cover222US 6,117,024 ACallaway Golf Company · 2000