C08L 61/02
Condensation polymers of aldehydes or ketones only
C08L61/02 (Condensation polymers of aldehydes or ketones only) appears on 80 US grants and 87 published applications in this corpus.
Search patents in C08L- Granted patents
- 80
- Published applications
- 87
- Assignees
- 72
- Inventors
- 251
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 4 |
| 2008 | 1 | 8 |
| 2009 | 2 | 2 |
| 2010 | 5 | 0 |
| 2011 | 0 | 4 |
| 2012 | 2 | 3 |
| 2013 | 1 | 6 |
| 2014 | 5 | 3 |
| 2015 | 4 | 4 |
| 2016 | 3 | 4 |
| 2017 | 1 | 2 |
| 2018 | 4 | 9 |
| 2019 | 2 | 6 |
| 2020 | 7 | 7 |
| 2021 | 4 | 3 |
| 2022 | 2 | 4 |
| 2023 | 4 | 5 |
| 2024 | 3 | 0 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Additive manufacture of hierarchically porous materials with high resolution23 Sep 2025US 12,420,472 B2Lawrence Livermore National Security, LLC
- Stimulus responsive polymer films and formulations3 Jun 2025US 12,322,588 B2Lam Research Corporation
- Color stable and low wear polymer composition and articles made therefrom3 Dec 2024US 12,157,812 B2Celanese International Corporation
- Fiber-reinforced thermoplastic resin filament for 3D printer, and molded article thereof1 Oct 2024US 12,104,044 B2Toray Industries, Inc.
- Low emission polyoxymethylene composition26 Mar 2024US 11,939,464 B2Ticona LLC
- Separator, battery cell, battery, and electrical apparatus1 Jan 2026US 2026/0005402 A1Contemporary Amperex Technology Co., Limited
- Separator, battery cell, battery and electrical apparatus20 Nov 2025US 2025/0357625 A1Contemporary Amperex Technology Co., Limited
- Additive manufacture of hierarchically porous materials with high resolution18 Sep 2025US 2025/0289176 A1Lawrence Livermore National Security, LLC
- Fiber reinforced thermoplastic matrix composite material19 Oct 2023US 2023/0331979 A1Cytec Industries Inc.
- Color Stable and Low Wear Polymer Composition and Articles Made Therefrom12 Oct 2023US 2023/0323107 A1Celanese International Corporation
Most cited
By later US patents
- Polyglutaraldehyde microspheres64US 4,267,235 ACalifornia Institute of Technology · 1981
- Metal container coating compositions comprising an acrylic polymer latex, melamine formaldehyde resin and an phenol formaldehyde resin43US 5,043,380 AThe Dexter Corporation · 1991
- Aqueous resin dispersion40US 4,579,888 AToyo Ink Manufacturing Co., Ltd. · 1986
- Cellulosic materials rendered transparent32US 4,513,056 AArjomari-Prioux · 1985
- Water-resistant alkaline corrugating adhesive composition25US 4,366,275 ANational Starch and Chemical Corporation · 1982