C08G 8/00
Condensation polymers of aldehydes or ketones with phenols only
C08G8/00 (Condensation polymers of aldehydes or ketones with phenols only) appears on 1,634 US grants and 990 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,634
- Published applications
- 990
- Assignees
- 604
- Inventors
- 3,091
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 50 | 0 |
| 1978 | 51 | 0 |
| 1979 | 37 | 0 |
| 1980 | 47 | 0 |
| 1981 | 53 | 0 |
| 1982 | 30 | 0 |
| 1983 | 49 | 0 |
| 1984 | 43 | 0 |
| 1985 | 29 | 0 |
| 1986 | 30 | 0 |
| 1987 | 27 | 0 |
| 1988 | 17 | 0 |
| 1989 | 32 | 0 |
| 1990 | 25 | 0 |
| 1991 | 38 | 0 |
| 1992 | 43 | 0 |
| 1993 | 50 | 0 |
| 1994 | 35 | 0 |
| 1995 | 43 | 0 |
| 1996 | 25 | 0 |
| 1997 | 39 | 0 |
| 1998 | 30 | 0 |
| 1999 | 36 | 0 |
| 2000 | 28 | 0 |
| 2001 | 29 | 5 |
| 2002 | 22 | 14 |
| 2003 | 20 | 18 |
| 2004 | 12 | 29 |
| 2005 | 11 | 17 |
| 2006 | 10 | 23 |
| 2007 | 5 | 25 |
| 2008 | 13 | 20 |
| 2009 | 9 | 22 |
| 2010 | 18 | 20 |
| 2011 | 10 | 31 |
| 2012 | 14 | 40 |
| 2013 | 30 | 47 |
| 2014 | 32 | 47 |
| 2015 | 44 | 56 |
| 2016 | 48 | 71 |
| 2017 | 38 | 64 |
| 2018 | 51 | 58 |
| 2019 | 48 | 84 |
| 2020 | 48 | 63 |
| 2021 | 42 | 56 |
| 2022 | 48 | 44 |
| 2023 | 30 | 54 |
| 2024 | 36 | 35 |
| 2025 | 22 | 24 |
| 2026 | 20 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 8/04Condensation polymers of aldehydes or ketones with phenols only: of aldehydes1,098
- C08G 8/28Chemically modified polycondensates621
- C08G 8/38Block or graft polymers prepared by polycondensation of aldehydes or ketones onto75
- C08G 8/02Condensation polymers of aldehydes or ketones with phenols only: of ketones55
- C08G 8/26From mixtures of aldehydes and ketones23
Recent patents
- Polyoxymethylene compositions6 Oct 2026US 12,753,302 B2Delrin USA, LLC
- Blasthole stemming based on formaldehyde resins, system and charging method6 Oct 2026US 12,754,001 B2Oxiquim S.A.
- Method for preparing a resol-type phenolic resin with reduced formaldehyde content25 Aug 2026US 12,715,953 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Resist underlayer compositions and pattern formation methods using such compositions11 Aug 2026US 12,704,778 B2Dupont Electronic Materials International, LLC
- Phloroglucinolic resins, methods of making, and uses in rubber compositions7 Jul 2026US 12,674,055 B2Sumitomo Chemical Advanced Technologies LLC
- Methods of preparing hard carbon material and energy storage device and method of enhancing plateau capacity8 Oct 2026US 2026/0307995 A1National Tsing Hua University
- Resist underlayer film-forming composition24 Sep 2026US 2026/0288008 A1Nissan Chemical Corporation
- Composite ammonium diuranate gel particles with a phenolic resin phase, and methods of making the same17 Sep 2026US 2026/0274684 A1X-energy, LLC
- Coating agent composition for nitrogen-atom-containing substrate13 Aug 2026US 2026/0235956 A1Nissan Chemical Corporation
- Resist underlayer film-forming composition13 Aug 2026US 2026/0235957 A1Nissan Chemical Corporation
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
- Coatable thermally curable binder presursor solutions modified with a reactive diluent, abrasive articles incorporating same, and methods of making said abrasive articles110US 5,178,646 AMinnesota Mining and Manufacturing Company · 1993