B29K 2023/14
Copolymers of polypropylene
Official title: {Copolymers of polypropylene (B29K2023/16 takes precedence)}
B29K2023/14 (Copolymers of polypropylene) appears on 136 US grants and 193 published applications in this corpus.
Search patents in B29K- Granted patents
- 136
- Published applications
- 193
- Assignees
- 89
- Inventors
- 411
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 5 |
| 2011 | 1 | 0 |
| 2012 | 1 | 5 |
| 2013 | 0 | 4 |
| 2014 | 1 | 11 |
| 2015 | 7 | 23 |
| 2016 | 12 | 18 |
| 2017 | 11 | 12 |
| 2018 | 13 | 10 |
| 2019 | 15 | 11 |
| 2020 | 10 | 14 |
| 2021 | 7 | 14 |
| 2022 | 6 | 16 |
| 2023 | 11 | 13 |
| 2024 | 13 | 16 |
| 2025 | 13 | 10 |
| 2026 | 11 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Propylene composition for foaming with improved mechanical properties11 Aug 2026US 12,703,791 B2Borealis AG
- Polymeric film and method of making same2 Jun 2026US 12,643,275 B23M Innovative Properties Company
- Thermoplastic sheets and articles with variable lofting capacity26 May 2026US 12,636,852 B2Hanwha Azdel, Inc.
- Method of preparation of a decorated wall or floor panels12 May 2026US 12,623,390 B2Akzenta Paneele + Profile GmbH
- Glass fiber reinforced thermoplastic polymer composition comprising a thermoplastic polymer composition with high flowability28 Apr 2026US 12,611,800 B2Sabic Global Technologies B.V.
- Polymeric Film and Method of Making Same17 Sep 2026US 2026/0273828 A13M Innovative Properties Company
- Polyolefin co-extruded film for liquid-liquid multi-chamber infusion bags, and preparation method and application thereof23 Jul 2026US 2026/0208472 A1Chongzhou Junjian Medical Plastics Packaging Co., Ltd.
- Flame resistant foamed article23 Jul 2026US 2026/0209527 A1Sabic Global Technologies B.V.
- Container formulation and layer structure11 Jun 2026US 2026/0158725 A1Berry Global, Inc.
- Method for producing polypropylene-based resin expanded beads4 Jun 2026US 2026/0152614 A1Jsp Corporation
Most cited
By later US patents
- BOPP film with improved stiffness/toughness balance32US 9,637,602 B2Borealis AG · 2017
- Method and apparatus for thermoforming an article23US 11,040,499 B2Berry Global, Inc. · 2021
- Controlled degradation or cracking of alpha-olefin polymers20US 4,578,430 AShell Oil Company · 1986
- Process for the degradation of polyolefins11US 6,060,584 AEastman Chemical Company · 2000
- Polypropylene copolymers and method of preparing polyproylene copolymers10US 6,610,792 B2Fina Technology, Inc. · 2003