B29K 2023/16
Epm, i.e. ethylene-propylene copolymers
Official title: {EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers}
B29K2023/16 (Epm, i.e. ethylene-propylene copolymers) appears on 241 US grants and 270 published applications in this corpus.
Search patents in B29K- Granted patents
- 241
- Published applications
- 270
- Assignees
- 200
- Inventors
- 773
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 4 |
| 2002 | 4 | 7 |
| 2003 | 8 | 7 |
| 2004 | 5 | 8 |
| 2005 | 3 | 7 |
| 2006 | 2 | 3 |
| 2007 | 3 | 3 |
| 2008 | 1 | 5 |
| 2009 | 2 | 9 |
| 2010 | 3 | 10 |
| 2011 | 2 | 6 |
| 2012 | 6 | 2 |
| 2013 | 3 | 4 |
| 2014 | 5 | 5 |
| 2015 | 2 | 21 |
| 2016 | 12 | 13 |
| 2017 | 8 | 4 |
| 2018 | 12 | 19 |
| 2019 | 13 | 11 |
| 2020 | 9 | 17 |
| 2021 | 6 | 22 |
| 2022 | 15 | 20 |
| 2023 | 15 | 11 |
| 2024 | 15 | 21 |
| 2025 | 12 | 15 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Multilayer, coextruded polyolefin film and manufacture thereof on triple bubble lines28 Jul 2026US 12,691,625 B2Cryovac, Inc.
- System and method for continuously manufacturing cured membranes21 Jul 2026US 12,686,157 B2Amrize Technology Switzerland LLC
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- Recyclable multilayer films having a heco-based core layer8 Oct 2026US 2026/0307321 A1
- Flame retardant polypropylene composition23 Jul 2026US 2026/0209496 A1Sabic Global Technologies B.V.
- Continuous process for reducing the molecular weight of ethylene copolymers and terpolymers23 Jul 2026US 2026/0209627 A1Versalis S.P.A.
- Polypropylene resin composition for improving surface quality of molded article and enhancing injection moldability, and molded article thereof16 Jul 2026US 2026/0201156 A1BGFecomaterials
Most cited
By later US patents
- Wafer planarization using a uniform layer of material and method and apparatus for forming uniform layer of material used in semiconductor processing544US 6,410,459 B1Micron Technology, Inc. · 2002
- Drag reducing aerodynamic vehicle components and methods of making the same127US 10,214,252 B2Sabic Global Technologies B.V. · 2019
- Process for producing sticky polymers99US 4,994,534 AUnion Carbide Chemicals and Plastics Company Inc. · 1991
- Connector member for dissimilar materials85US 4,327,726 ABaxter Travenol Laboratories, Inc. · 1982
- Mold structure for producing an encapsulated window assembly66US 4,688,752 ALibbey-Owens-Ford Co. · 1987