C08L 2023/44
Coupling
Official title: {Coupling; Molecular weight increase}
C08L2023/44 (Coupling) appears on 43 US grants and 46 published applications in this corpus.
Search patents in C08L- Granted patents
- 43
- Published applications
- 46
- Assignees
- 26
- Inventors
- 113
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 3 |
| 2003 | 5 | 5 |
| 2004 | 2 | 1 |
| 2005 | 4 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 5 |
| 2020 | 2 | 5 |
| 2021 | 4 | 2 |
| 2022 | 4 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for feeding a liquid organic peroxide to a polymer melt processing equipment18 Aug 2026US 12,709,666 B2Lummus Novolen Technology GmbH
- Modified polyethylene resins and process for making the same7 Jul 2026US 12,674,011 B2Dow Global Technologies LLC
- Polyolefin compositions for photovoltaic encapsulant films30 Sep 2025US 12,428,507 B2Dow Global Technologies LLC
- Process for producing ultrahigh molecular weight polymer in powder form5 Mar 2024US 11,920,007 B2Indian Oil Corporation Limited
- Irradiation-curable polyolefin formulation22 Aug 2023US 11,732,066 B2Dow Global Technologies LLC
- High melt strength polypropylene27 Aug 2026US 2026/0250430 A1
- Process to produce polymer compositions comprising polypropylene8 Jan 2026US 2026/0008922 A1Centre National de la Recherche Scientifique (CNRS)
- Process for producing a multimodal polyolefin composition in an extruder device11 Sep 2025US 2025/0282919 A1Basell Polyolefine GmbH
- Thermoplastic resin composition19 Jun 2025US 2025/0197621 A1Mitsui Chemicals, Inc.
- Polyolefin compositions for photovoltaic encapsulant films22 Aug 2024US 2024/0279437 A1Dow Global Technologies LLC
Most cited
By later US patents
- Polyolefin composition with improved impact properties65US 6,472,473 B1Dow Global Technology Inc. · 2002
- Grafted thermoplastic compositions and fabricated articles therefrom48US 6,395,791 B1The Dow Chemical Company · 2002
- Composition and films thereof47US 6,593,005 B2Dow Global Technologies LLC · 2003
- Polypropylene based resin composition, expanded moldings comprising the same and method for production thereof38US 7,423,071 B2Kaneka Corporation · 2008
- Polyethylene rich/polypropylene blends and their uses36US 6,939,919 B2Dow Global Technologies LLC · 2005