B22C 1/2246
Condensation polymers of aldehydes and ketones
Official title: {Condensation polymers of aldehydes and ketones (B22C1/224, B22C1/2273 take precedence)}
B22C1/2246 (Condensation polymers of aldehydes and ketones) appears on 183 US grants and 94 published applications in this corpus.
Search patents in B22C- Granted patents
- 183
- Published applications
- 94
- Assignees
- 69
- Inventors
- 291
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 10 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 15 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 5 |
| 2006 | 1 | 3 |
| 2007 | 0 | 4 |
| 2008 | 0 | 6 |
| 2009 | 1 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 6 |
| 2012 | 5 | 7 |
| 2013 | 4 | 3 |
| 2014 | 5 | 6 |
| 2015 | 3 | 6 |
| 2016 | 4 | 0 |
| 2017 | 2 | 5 |
| 2018 | 5 | 3 |
| 2019 | 2 | 10 |
| 2020 | 3 | 5 |
| 2021 | 1 | 2 |
| 2022 | 7 | 4 |
| 2023 | 4 | 2 |
| 2024 | 5 | 4 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Foundry mix including resorcinol20 May 2025US 12,303,970 B2Novis Works, LLC
- Production method, casting moulds, cores or feeders and kit and method for production of a metallic casting13 Aug 2024US 12,059,724 B2Chemex Foundry Solutions GmbH
- Product for reducing sand adhesions2 Jul 2024US 12,023,726 B2ASK Chemicals GmbH
- Formaldehyde scavenger for binder systems14 May 2024US 11,981,770 B2HüTtenes-Albertus Chemische Werke Gesellschaft Mit BeschräNkter Haftung
- Binder, method for manufacturing same and method for manufacturing casting sand mold19 Mar 2024US 11,932,732 B2DIC Corporation
- Wash composition for reducing formaldehyde emissions3 Jul 2025US 2025/0214131 A1HüTtenes-Albertus Chemische Werke Gesellschaft Mit BeschräNkter Haftung
- Method for layered construction of bodies comprising refractory molding base material and resols, three-dimensional bodies produced using this method, and a binder for three-dimensionally constructing bodies5 Jun 2025US 2025/0178073 A1ASK Chemicals GmbH
- Use of closed-pore microspheres of expanded pearlite as a filler for the production of mouldings for the foundry industry23 Jan 2025US 2025/0025932 A1HüTtenes-Albertus Chemische Werke Gesellschaft Mit BeschräNkter Haftung
- Esters of epoxidized fatty acids in furfuryl alcohol binders16 May 2024US 2024/0157432 A1ASK Chemicals GmbH
- Product for reducing sand adhesions8 Feb 2024US 2024/0042514 A1ASK Chemicals GmbH
Most cited
By later US patents
- Particles covered with a cured infusible thermoset film and process for their production132US 4,439,489 AAcme Resin Corporation · 1984
- Bisphenol-containing resin coating articles and methods of using same109US 5,916,933 ABorden Chemical, Inc. · 1999
- Bisphenol-containing resin coating articles and methods of using same87US 5,639,806 ABorden Chemical, Inc. · 1997
- Modular expandable housing arrangement for electronic apparatus79US 4,858,070 ARacal Data Communications Inc. · 1989
- Method for manufacturing foundry cores48US 4,089,691 AKrause Milling Company · 1978