C08G 8/20
With polyhydric phenols
Official title: with polyhydric phenols
C08G8/20 (With polyhydric phenols) appears on 188 US grants and 216 published applications in this corpus.
Search patents in C08G- Granted patents
- 188
- Published applications
- 216
- Assignees
- 113
- Inventors
- 443
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 4 |
| 2005 | 0 | 1 |
| 2006 | 1 | 5 |
| 2007 | 1 | 5 |
| 2008 | 1 | 4 |
| 2009 | 3 | 3 |
| 2010 | 6 | 5 |
| 2011 | 1 | 6 |
| 2012 | 3 | 8 |
| 2013 | 5 | 10 |
| 2014 | 11 | 12 |
| 2015 | 6 | 14 |
| 2016 | 13 | 21 |
| 2017 | 5 | 15 |
| 2018 | 17 | 11 |
| 2019 | 12 | 20 |
| 2020 | 11 | 11 |
| 2021 | 7 | 11 |
| 2022 | 9 | 10 |
| 2023 | 6 | 17 |
| 2024 | 10 | 14 |
| 2025 | 3 | 4 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Phloroglucinolic resins, methods of making, and uses in rubber compositions7 Jul 2026US 12,674,055 B2Sumitomo Chemical Advanced Technologies LLC
- Phenolic hydroxy group-containing resin, resin composition for alkaline developable resist, resist curable resin composition, and method for producing phenolic hydroxy group-containing resin16 Jun 2026US 12,655,242 B2DIC Corporation
- Resist underlayer film-forming composition19 May 2026US 12,631,964 B2Nissan Chemical Corporation
- Alkoxylated resol-type phenol resin and method for producing same3 Feb 2026US 12,540,210 B2Kolon Industries, Inc.
- Preparation of polymeric resins and carbon materials16 Dec 2025US 12,497,479 B2Group14 Technologies, Inc.
- Methods of preparing hard carbon material and energy storage device and method of enhancing plateau capacity8 Oct 2026US 2026/0307995 A1National Tsing Hua University
- Phenolic resin composition and article11 Jun 2026US 2026/0159719 A1Sumitomo Bakelite Co., Ltd.
- Blasthole stemming based on formaldehyde resins, system and charging method20 Nov 2025US 2025/0354790 A1Oxiquim S.A.
- Method for producing lignin-modified resol-type phenol resin25 Sep 2025US 2025/0297049 A1Sumitomo Bakelite Co., Ltd.
- Methods for sol-gel polymerization in absence of solvent and creation of tunable carbon structure from same3 Jul 2025US 2025/0215234 A1Group14 Technologies, Inc.
Most cited
By later US patents
- Low density, resorcinol-formaldehyde aerogels201US 4,873,218 AUnited States Department of Energy · 1989
- Low density, resorcinol-formaldehyde aerogels200US 4,997,804 AThe United States of America as represented by the United States Department of Energy · 1991
- Supercapacitors based on carbon foams189US 5,260,855 A1993
- Low density open cell organic foams, low density open cell carbon foams, and methods for preparing same146US 5,945,084 AOcellus, Inc. · 1999
- Carbon foams for energy storage devices106US 5,529,971 AThe Regents of the University of California · 1996