B32B 2323/046
Ldpe, i.e. low density polyethylene
Official title: LDPE, i.e. low density polyethylene
B32B2323/046 (Ldpe, i.e. low density polyethylene) appears on 898 US grants and 527 published applications in this corpus.
Search patents in B32B- Granted patents
- 898
- Published applications
- 527
- Assignees
- 449
- Inventors
- 1,943
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 10 | 0 |
| 1982 | 14 | 0 |
| 1983 | 15 | 0 |
| 1984 | 19 | 0 |
| 1985 | 21 | 0 |
| 1986 | 13 | 0 |
| 1987 | 18 | 0 |
| 1988 | 21 | 0 |
| 1989 | 24 | 0 |
| 1990 | 32 | 0 |
| 1991 | 31 | 0 |
| 1992 | 30 | 0 |
| 1993 | 18 | 0 |
| 1994 | 33 | 0 |
| 1995 | 20 | 0 |
| 1996 | 31 | 0 |
| 1997 | 26 | 0 |
| 1998 | 36 | 0 |
| 1999 | 26 | 0 |
| 2000 | 51 | 0 |
| 2001 | 39 | 10 |
| 2002 | 28 | 42 |
| 2003 | 31 | 28 |
| 2004 | 35 | 56 |
| 2005 | 15 | 46 |
| 2006 | 10 | 25 |
| 2007 | 12 | 23 |
| 2008 | 13 | 15 |
| 2009 | 13 | 12 |
| 2010 | 16 | 5 |
| 2011 | 8 | 1 |
| 2012 | 4 | 6 |
| 2013 | 3 | 4 |
| 2014 | 4 | 8 |
| 2015 | 2 | 16 |
| 2016 | 6 | 13 |
| 2017 | 6 | 21 |
| 2018 | 10 | 53 |
| 2019 | 15 | 27 |
| 2020 | 28 | 24 |
| 2021 | 16 | 20 |
| 2022 | 19 | 15 |
| 2023 | 13 | 6 |
| 2024 | 10 | 17 |
| 2025 | 11 | 24 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multilayer films including ethylene-based copolymers22 Sep 2026US 12,741,456 B2Dow Global Technologies LLC
- Thermoplastic roofing membranes for fully-adhered roofing systems8 Sep 2026US 12,729,538 B2Amrize Technology Switzerland LLC
- Thermoplastic films and bags with improved strength properties created by angled ring rolling25 Aug 2026US 12,715,201 B2The Glad Products Company
- Aluminum cup14 Jul 2026US 12,678,849 B2LumiTerra, Inc.
- Graft-modified product, adhesive, olefin resin composition, and laminate14 Jul 2026US 12,679,917 B2Mitsui Chemicals, Inc.
- Polyolefinic packaging film27 Aug 2026US 2026/0249595 A1Rkw SE
- Breathable articles30 Jul 2026US 2026/0216997 A1Dow Global Technologies LLC
- Functional And Recyclable Materials With Electron Beam Crosslinking For Various Packaging Applications18 Jun 2026US 2026/0166872 A1Energy Sciences Inc.
- Packaging materials11 Jun 2026US 2026/0158768 A1adapa flexibles Denmark Slagelse AS
- Laminate film and container28 May 2026US 2026/0145410 A1Yupo Corporation
Most cited
By later US patents
- Breathable, cloth-like film/nonwoven composite224US 5,695,868 AKimberly-Clark Worldwide, Inc. · 1997
- Getter system for vacuum insulation panel197US 5,505,810 AWhirlpool Corporation · 1996
- Absorbent article having a composite breathable backsheet163US 5,843,056 AKimberly-Clark Worldwide, Inc. · 1998
- Soft films having enhanced physical properties154US 5,376,439 AExxon Chemical Patents Inc. · 1994
- Multilayered polymer structure for medical products151US 6,083,587 ABaxter International Inc. · 2000