B29C 44/3465
By compressing particles in vacuum, followed by expansion in normal pressure
Official title: {by compressing particles in vacuum, followed by expansion in normal pressure}
B29C44/3465 (By compressing particles in vacuum, followed by expansion in normal pressure) appears on 7 US grants and 7 published applications in this corpus.
Search patents in B29C- Granted patents
- 7
- Published applications
- 7
- Assignees
- 8
- Inventors
- 24
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer composition and expanded polypropylene beads made from the polymer composition3 Feb 2026US 12,540,225 B2Sabic Global Technologies B.V.
- Method of producing container product25 Mar 2025US 12,257,746 B2
- Expandable vinyl aromatic polymers5 Dec 2023US 11,834,563 B2Totalenergies Onetech Belgium
- Polypropylene resin expanded particles and polypropylene resin in-mold foaming molded body26 May 2015US 9,040,599 B2Kaneka Corporation
- Moldable shrunken thermoplastic polymer foam beads25 Jun 1991US 5,026,736 AAstro-Valcour, Inc.
- Method of Producing Container Product21 Nov 2024US 2024/0383177 A1
- Copolymer having polyamide blocks and having polyether blocks for the manufacture of a foamed article9 Nov 2023US 2023/0357482 A1Arkema France
- Polymer composition and expanded polypropylene beads made from the polymer composition18 Aug 2022US 2022/0259397 A1Sabic Global Technologies B.V.
- Micro-particle-size thermoplastic micro-airbag polyurethane elastomer material and preparation therefor3 Dec 2020US 2020/0376714 A1Nantong De New Material Co., Ltd.
- Improved Expandable Vinyl Aromatic Polymers10 Oct 2019US 2019/0309139 A1Total Research & Technology Feluy
Most cited
By later US patents
- Moldable shrunken thermoplastic polymer foam beads72US 5,026,736 AAstro-Valcour, Inc. · 1991
- Moldable silane-crosslinked polyolefin foam beads42US 4,870,111 AAstro-Valcour, Inc. · 1989
- Moldable silane-crosslinked polyolefin foam beads39US 4,702,868 AValcour Incorporated · 1987
- Polypropylene resin expanded particles and polypropylene resin in-mold foaming molded body2US 9,040,599 B2Kaneka Corporation · 2015