C08L 61/04
Condensation polymers of aldehydes or ketones with phenols only
C08L61/04 (Condensation polymers of aldehydes or ketones with phenols only) appears on 1,549 US grants and 1,407 published applications in this corpus.
Search patents in C08L- Granted patents
- 1,549
- Published applications
- 1,407
- Assignees
- 773
- Inventors
- 3,882
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 25 | 0 |
| 1978 | 33 | 0 |
| 1979 | 22 | 0 |
| 1980 | 29 | 0 |
| 1981 | 30 | 0 |
| 1982 | 27 | 0 |
| 1983 | 26 | 0 |
| 1984 | 31 | 0 |
| 1985 | 13 | 0 |
| 1986 | 22 | 0 |
| 1987 | 21 | 0 |
| 1988 | 17 | 0 |
| 1989 | 15 | 0 |
| 1990 | 13 | 0 |
| 1991 | 22 | 0 |
| 1992 | 21 | 0 |
| 1993 | 21 | 0 |
| 1994 | 16 | 0 |
| 1995 | 24 | 0 |
| 1996 | 22 | 0 |
| 1997 | 31 | 0 |
| 1998 | 21 | 0 |
| 1999 | 31 | 0 |
| 2000 | 38 | 0 |
| 2001 | 31 | 7 |
| 2002 | 38 | 31 |
| 2003 | 36 | 64 |
| 2004 | 36 | 56 |
| 2005 | 29 | 60 |
| 2006 | 31 | 45 |
| 2007 | 22 | 39 |
| 2008 | 26 | 31 |
| 2009 | 22 | 52 |
| 2010 | 26 | 43 |
| 2011 | 25 | 56 |
| 2012 | 28 | 67 |
| 2013 | 46 | 75 |
| 2014 | 44 | 65 |
| 2015 | 45 | 81 |
| 2016 | 44 | 82 |
| 2017 | 51 | 72 |
| 2018 | 69 | 77 |
| 2019 | 44 | 99 |
| 2020 | 60 | 63 |
| 2021 | 54 | 60 |
| 2022 | 39 | 44 |
| 2023 | 29 | 58 |
| 2024 | 31 | 36 |
| 2025 | 26 | 27 |
| 2026 | 23 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Phenolic resin compositions as binders in refractory articles22 Sep 2026US 12,742,067 B2Arclin USA LLC
- Organic slurry and method for manufacture thereof11 Aug 2026US 12,703,795 B2Willamette Valley Company
- Resist underlayer compositions and pattern formation methods using such compositions11 Aug 2026US 12,704,778 B2Dupont Electronic Materials International, LLC
- Method of thickening phenolic resin and use thereof to form vehicle components14 Jul 2026US 12,679,969 B2Csp Innovations, Inc.
- Phloroglucinolic resins, methods of making, and uses in rubber compositions7 Jul 2026US 12,674,055 B2Sumitomo Chemical Advanced Technologies LLC
- Method of making a coated abrasive article and coated abrasive article24 Sep 2026US 2026/0284835 A13M Innovative Properties Company
- Membrane comprising a blend of polyarylethersulfone and polyaryletherketone and method for manufacturing thereof3 Sep 2026US 2026/0258241 A1Syensqo Specialty Polymers USA, LLC
- Easily dismantlable resin composition for fixing rotor and dismantling method for rotor27 Aug 2026US 2026/0250479 A1Sumitomo Bakelite Co., Ltd.
- Phosphorus-containing (meth)acryloyl compound, phosphorus-containing vinyl benzyl compound, production methods therefor, flame-retardant resin composition and laminated board for electronic circuit board containing same6 Aug 2026US 2026/0226082 A1Nippon Steel Chemical & Material Co., Ltd.
- Aralkyl resole polymer6 Aug 2026US 2026/0226296 A1
Most cited
By later US patents
- Thermoplastic elastomeric blends of olefin rubber and polyolefin resin243US 4,311,628 AMonsanto Company · 1982
- Photocurable epoxy compositions containing group Va onium salts166US 4,069,055 AGeneral Electric Company · 1978
- Composition and method for producing fuel resistant liquid polythioether polymers with good low temperature flexibility143US 6,172,179 B2PRC-DeSoto International, Inc. · 2001
- Sealants and potting formulations including mercapto-terminated polymers produced by the reaction of a polythiol and polyvinyl ether monomer130US 6,509,418 B1PRC-DeSoto International, Inc. · 2003
- Phenolic resin compositions with improved impact resistance129US 5,736,619 AAmeron International Corporation · 1998