C08F 8/28
Condensation with aldehydes or ketones
C08F8/28 (Condensation with aldehydes or ketones) appears on 242 US grants and 215 published applications in this corpus.
Search patents in C08F- Granted patents
- 242
- Published applications
- 215
- Assignees
- 143
- Inventors
- 554
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 4 |
| 2002 | 3 | 4 |
| 2003 | 4 | 3 |
| 2004 | 3 | 5 |
| 2005 | 1 | 8 |
| 2006 | 4 | 9 |
| 2007 | 3 | 4 |
| 2008 | 4 | 4 |
| 2009 | 4 | 10 |
| 2010 | 3 | 5 |
| 2011 | 7 | 8 |
| 2012 | 7 | 4 |
| 2013 | 4 | 5 |
| 2014 | 3 | 4 |
| 2015 | 3 | 6 |
| 2016 | 9 | 9 |
| 2017 | 4 | 14 |
| 2018 | 6 | 9 |
| 2019 | 12 | 11 |
| 2020 | 11 | 13 |
| 2021 | 8 | 10 |
| 2022 | 1 | 11 |
| 2023 | 9 | 16 |
| 2024 | 9 | 16 |
| 2025 | 13 | 13 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of preparing aldehyde-functionalized polymers29 Sep 2026US 12,747,307 B2Ecolab USA Inc.
- Recycle content poly(vinyl acetal)9 Jun 2026US 12,649,805 B2Eastman Chemical Company
- GPAM compositions and methods17 Feb 2026US 12,553,188 B2Kemira Oyj
- Slurry composition27 Jan 2026US 12,534,551 B2Sekisui Chemical Co., Ltd.
- Anti-environmental stress cracking additive, compositions and methods thereof27 Jan 2026US 12,534,613 B2Braskem S/A
- Polyvinyl alcohol-based polymer, dispersion stabilizing agent, and production method of vinyl-based polymer30 Jul 2026US 2026/0217872 A1Japan Vam & Poval Co., Ltd.
- Thermoplastic resin film, laminate, and optical laminate16 Jul 2026US 2026/0200217 A1Sekisui Chemical Co., Ltd.
- Polymer material16 Jul 2026US 2026/0201082 A1
- Moisture curable silicon polyolefin polymer and process2 Jul 2026US 2026/0184862 A1Dow Global Technologies LLC
- Dispersing and wetting agents and compositions and methods of use thereof4 Jun 2026US 2026/0152467 A1Mojave Bio, Inc.
Most cited
By later US patents
- Temporary wet strength resin165US 4,605,702 AAmerican Cyanamid Company · 1986
- Temporary wet strength resins134US 4,603,176 AThe Procter & Gamble Company · 1986
- Small-globular crosslinked monoallylamine polymer and process for producing the same115US 4,605,701 ANitto Boseki Co., Ltd. · 1986
- Crosslinked polymers containing salt structures115US 6,303,687 B1Novartis AG · 2001
- Polyvinyl alcohol hydrogel and process for producing the same71US 6,139,963 AKuraray Co., Ltd. · 2000