C08L 23/14
Copolymers of propene
Official title: Copolymers of propene (C08L23/16 takes precedence)
C08L23/14 (Copolymers of propene) appears on 2,025 US grants and 2,106 published applications in this corpus.
Search patents in C08L- Granted patents
- 2,025
- Published applications
- 2,106
- Assignees
- 645
- Inventors
- 4,287
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 16 | 0 |
| 1987 | 6 | 0 |
| 1988 | 27 | 0 |
| 1989 | 19 | 0 |
| 1990 | 18 | 0 |
| 1991 | 27 | 0 |
| 1992 | 23 | 0 |
| 1993 | 41 | 0 |
| 1994 | 33 | 0 |
| 1995 | 23 | 0 |
| 1996 | 45 | 0 |
| 1997 | 30 | 0 |
| 1998 | 32 | 0 |
| 1999 | 36 | 0 |
| 2000 | 25 | 0 |
| 2001 | 50 | 22 |
| 2002 | 44 | 33 |
| 2003 | 32 | 43 |
| 2004 | 41 | 66 |
| 2005 | 30 | 68 |
| 2006 | 46 | 85 |
| 2007 | 37 | 58 |
| 2008 | 21 | 48 |
| 2009 | 24 | 70 |
| 2010 | 43 | 94 |
| 2011 | 62 | 84 |
| 2012 | 51 | 67 |
| 2013 | 66 | 83 |
| 2014 | 80 | 91 |
| 2015 | 68 | 86 |
| 2016 | 86 | 102 |
| 2017 | 80 | 114 |
| 2018 | 86 | 146 |
| 2019 | 102 | 120 |
| 2020 | 102 | 119 |
| 2021 | 92 | 104 |
| 2022 | 81 | 111 |
| 2023 | 75 | 81 |
| 2024 | 71 | 101 |
| 2025 | 63 | 59 |
| 2026 | 43 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermoplastic resin composition6 Oct 2026US 12,753,300 B2LG Chem.Ltd.
- In-situ reactor blend of Ziegler-Natta catalysed, nucleated polypropylene and a metallocene catalysed polypropylene29 Sep 2026US 12,747,308 B2Borealis AG
- Polypropylene blend8 Sep 2026US 12,729,296 B2Ineos Europe AG
- Propylene composition for foaming with improved mechanical properties11 Aug 2026US 12,703,791 B2Borealis AG
- Composition of reclaimed synthetic turf and products comprising same11 Aug 2026US 12,703,950 B1Columbia Insurance Company
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- Rubber composition and tire8 Oct 2026US 2026/0308366 A1The Yokohama Rubber Co., Ltd.
- Polyolefin Resin Composition and Molded Article Produced Therefrom8 Oct 2026US 2026/0308368 A1Lotte Chemical Corporation
- Propylene-based copolymer compositon24 Sep 2026US 2026/0286115 A1Basell Poliolefine Italia S.r.l.
- Methods for producing bimodal polyolefins and impact copolymers17 Sep 2026US 2026/0275011 A1ExxonMobil Chemical Patents Inc.
Most cited
By later US patents
- Propylene ethylene polymers313US 6,525,157 B2ExxonMobile Chemical Patents Inc. · 2003
- Elastic films including crystalline polymer and crystallizable polymers of propylene184US 6,500,563 B1ExxonMobil Chemical Patents Inc. · 2002
- Isotactic propylene copolymers, their preparation and use180US 6,960,635 B2Dow Global Technologies LLC · 2005
- Heat sealable blend of very low density polyethylene or plastomer with polypropylene based polymers and heat sealable film and articles made thereof179US 5,358,792 AExxon Chemical Patents Inc. · 1994
- Porous film composites139US 5,169,712 AAmoco Corporation · 1992