C08L 61/00
Compositions of condensation polymers of aldehydes or ketones
Official title: Compositions of condensation polymers of aldehydes or ketones (with polyalcohols C08L59/00; with polynitriles C08L77/00); Compositions of derivatives of such polymers
C08L61/00 (Compositions of condensation polymers of aldehydes or ketones) appears on 2,996 US grants and 2,325 published applications in this corpus.
Search patents in C08L- Granted patents
- 2,996
- Published applications
- 2,325
- Assignees
- 1,237
- Inventors
- 6,998
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 56 | 0 |
| 1977 | 68 | 0 |
| 1978 | 91 | 0 |
| 1979 | 77 | 0 |
| 1980 | 79 | 0 |
| 1981 | 75 | 0 |
| 1982 | 59 | 0 |
| 1983 | 63 | 0 |
| 1984 | 57 | 0 |
| 1985 | 45 | 0 |
| 1986 | 46 | 0 |
| 1987 | 49 | 0 |
| 1988 | 35 | 0 |
| 1989 | 46 | 0 |
| 1990 | 37 | 0 |
| 1991 | 50 | 0 |
| 1992 | 45 | 0 |
| 1993 | 47 | 0 |
| 1994 | 55 | 0 |
| 1995 | 47 | 0 |
| 1996 | 44 | 0 |
| 1997 | 66 | 0 |
| 1998 | 53 | 0 |
| 1999 | 59 | 0 |
| 2000 | 61 | 0 |
| 2001 | 62 | 17 |
| 2002 | 64 | 68 |
| 2003 | 73 | 106 |
| 2004 | 65 | 94 |
| 2005 | 36 | 92 |
| 2006 | 48 | 86 |
| 2007 | 38 | 65 |
| 2008 | 37 | 78 |
| 2009 | 34 | 90 |
| 2010 | 52 | 96 |
| 2011 | 49 | 90 |
| 2012 | 51 | 109 |
| 2013 | 65 | 116 |
| 2014 | 71 | 101 |
| 2015 | 81 | 126 |
| 2016 | 85 | 130 |
| 2017 | 83 | 106 |
| 2018 | 94 | 118 |
| 2019 | 74 | 130 |
| 2020 | 91 | 98 |
| 2021 | 84 | 90 |
| 2022 | 54 | 70 |
| 2023 | 55 | 99 |
| 2024 | 56 | 64 |
| 2025 | 52 | 52 |
| 2026 | 32 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08L 61/04Condensation polymers of aldehydes or ketones with phenols only1,549
- C08L 61/20Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached1,142
- C08L 61/34Condensation polymers of aldehydes or ketones with monomers covered by at least185
- C08L 61/02Condensation polymers of aldehydes or ketones only80
- C08L 61/18Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen32
Recent patents
- Multilayer film and method for producing same22 Sep 2026US 12,742,048 B2Toray Industries, Inc.
- Phenolic resin compositions as binders in refractory articles22 Sep 2026US 12,742,067 B2Arclin USA LLC
- Acrylic polyester resin and an aqueous coating composition containing the same15 Sep 2026US 12,735,524 B2PPG Industries Ohio, Inc.
- 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 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.
- Dynamically vulcanized compositions comprising aliphatic polyketone, functionalized rubber, and low-odor crosslinking compound20 Aug 2026US 2026/0242589 A1
- Formaldehyde-free binder compositions and methods of making the binders under controlled acidic conditions6 Aug 2026US 2026/0225951 A1Johns Manville
Most cited
By later US patents
- Aminoplast curable film-forming compositions providing films having resistance to acid etching485US 6,235,858 B1PPG Industries Ohio, Inc. · 2001
- Fire retardant compositions and methods for preserving wood products255US 6,620,349 B12003
- 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
- Composite color-plus-clear coating utilizing carbamate-functional polymer composition in the clearcoat148US 5,356,669 ABASF SE · 1994