B29C 33/722
Compositions for cleaning moulds
Official title: {Compositions for cleaning moulds}
B29C33/722 (Compositions for cleaning moulds) appears on 37 US grants and 26 published applications in this corpus.
Search patents in B29C- Granted patents
- 37
- Published applications
- 26
- Assignees
- 35
- Inventors
- 110
- Latest grant
- 18 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 8 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 3 |
| 2021 | 0 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning agent composition and molding raw material18 Jul 2023US 11,701,799 B2Seiki Kabushiki Kaisha
- Cleaning agent composition and molding raw material25 Apr 2023US 11,633,880 B2Seiki Kabushiki Kaisha
- Cleaning agent for molding-machine cleaning and cleaning method13 Dec 2022US 11,524,428 B2
- Thermoplastic resin composition for cleaning molding processing machine18 Oct 2022US 11,472,068 B2Daicel Polymer Ltd.
- Compositions and methods for cleaning urethane molds4 Jan 2022US 11,214,762 B2Chem-Trend Limited Partnership
- Cleaning agent composition, cleaning material, and method of cleaning mold for molding7 May 2026US 2026/0124792 A1Resonac Corporation
- Resin composition for cleaning molding machines5 Feb 2026US 2026/0035558 A1Asahi Kasei Kabushiki Kaisha
- Solvent compositions and associated methods9 Oct 2025US 2025/0313780 A1Shellef Holdings Inc.
- Solvent compositions and associated methods9 Oct 2025US 2025/0313781 A1
- Purging compound for resin processing machine26 Oct 2023US 2023/0340380 A1Asahi Kasei Kabushiki Kaisha
Most cited
By later US patents
- Cleaning composition for mold for molding semiconductor device and method of cleaning mold using the same30US 6,077,360 ANitto Denko Corporation · 2000
- Thermoplastic resin composition for cleaning26US 4,838,945 AChisso Corporation · 1989
- Abrasive and purge compositions and methods of using the same19US 5,395,456 AFerro Corporation · 1995
- Cleaning composition for resin processing equipment13US 5,139,694 AUnion Carbide Chemicals & Plastics Technology Corporation · 1992
- Resin cleaning composition comprising polyolefin, sulfonate, and copolymer13US 5,238,608 AChisso Corporation · 1993