B29K 2023/0641
Mdpe, i.e. medium density polyethylene
Official title: {MDPE, i.e. medium density polyethylene}
B29K2023/0641 (Mdpe, i.e. medium density polyethylene) appears on 175 US grants and 188 published applications in this corpus.
Search patents in B29K- Granted patents
- 175
- Published applications
- 188
- Assignees
- 110
- Inventors
- 445
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 4 |
| 2002 | 5 | 4 |
| 2003 | 9 | 6 |
| 2004 | 3 | 9 |
| 2005 | 8 | 16 |
| 2006 | 4 | 16 |
| 2007 | 3 | 11 |
| 2008 | 7 | 21 |
| 2009 | 4 | 11 |
| 2010 | 7 | 19 |
| 2011 | 8 | 7 |
| 2012 | 8 | 5 |
| 2013 | 12 | 9 |
| 2014 | 14 | 4 |
| 2015 | 4 | 4 |
| 2016 | 5 | 4 |
| 2017 | 5 | 6 |
| 2018 | 4 | 9 |
| 2019 | 1 | 2 |
| 2020 | 7 | 3 |
| 2021 | 2 | 2 |
| 2022 | 2 | 7 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Film, laminated film, and packaging bag18 Aug 2026US 12,709,088 B2ZACROS Corporation
- Polymer recyclate processes and products12 May 2026US 12,623,392 B2Equistar Chemicals, LP
- Biaxially oriented MDPE film9 Dec 2025US 12,491,678 B2NOVA Chemicals (International) S.A.
- Method of forming a shaped article15 Jul 2025US 12,358,235 B2Qinetiq Limited
- Polyethylene pouch and the fabrication method thereof16 Apr 2024US 11,958,254 B2Dow Global Technologies LLC
- Stretched base material, printing base material, barrier base material, laminate, and packaging container10 Sep 2026US 2026/0264303 A1Dai Nippon Printing Co.Ltd.
- Dropper container, a use of a polymeric material for making a dropper container, and a method for making a dropper container6 Aug 2026US 2026/0225301 A1
- Multilayer films and articles comprising multilayer films14 May 2026US 2026/0131515 A1Dow Global Technologies LLC
- Multilayer polymer films formed from post-consumer recycling materials with improved mechanical and physical properties22 Jan 2026US 2026/0021620 A1Revolution Sustainable Solutions
- Sargassum ecological lumber material7 Aug 2025US 2025/0249627 A1
Most cited
By later US patents
- Extrusion compositions having high drawdown and substantially reduced neck-in151US 5,582,923 AThe Dow Chemical Company · 1996
- Flexible, multiple-compartment drug container and method of making and using same132US 5,944,709 AB. Braun Medical Inc. · 1999
- Method of making and using a flexible, multiple-compartment drug container91US 6,203,535 B1B. Braun Medical Inc. · 2001
- Laser scored package65US 5,229,180 AAmerican National Can Company · 1993
- Method and article for microwave bonding of polyethylene pipe52US 5,254,824 AMinnesota Mining and Manufacturing Company · 1993