C08L 23/142
At least partially crystalline copolymers of propene with other olefins
Official title: {at least partially crystalline copolymers of propene with other olefins}
C08L23/142 (At least partially crystalline copolymers of propene with other olefins) appears on 1,150 US grants and 1,062 published applications in this corpus.
Search patents in C08L- Granted patents
- 1,150
- Published applications
- 1,062
- Assignees
- 368
- Inventors
- 2,492
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 3 | 0 |
| 1988 | 21 | 0 |
| 1989 | 13 | 0 |
| 1990 | 12 | 0 |
| 1991 | 18 | 0 |
| 1992 | 21 | 0 |
| 1993 | 32 | 0 |
| 1994 | 26 | 0 |
| 1995 | 18 | 0 |
| 1996 | 33 | 0 |
| 1997 | 15 | 0 |
| 1998 | 23 | 0 |
| 1999 | 27 | 0 |
| 2000 | 19 | 0 |
| 2001 | 32 | 15 |
| 2002 | 29 | 17 |
| 2003 | 19 | 32 |
| 2004 | 26 | 48 |
| 2005 | 25 | 56 |
| 2006 | 39 | 58 |
| 2007 | 31 | 36 |
| 2008 | 15 | 40 |
| 2009 | 21 | 54 |
| 2010 | 30 | 57 |
| 2011 | 45 | 57 |
| 2012 | 33 | 39 |
| 2013 | 41 | 47 |
| 2014 | 49 | 47 |
| 2015 | 35 | 39 |
| 2016 | 47 | 57 |
| 2017 | 39 | 35 |
| 2018 | 44 | 44 |
| 2019 | 41 | 50 |
| 2020 | 39 | 32 |
| 2021 | 36 | 38 |
| 2022 | 27 | 42 |
| 2023 | 22 | 35 |
| 2024 | 23 | 35 |
| 2025 | 33 | 23 |
| 2026 | 10 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Propylene composition for foaming with improved mechanical properties11 Aug 2026US 12,703,791 B2Borealis AG
- Expanded beads comprising high melt strength polypropylene28 Jul 2026US 12,692,377 B2Sabic Global Technologies B.V.
- High crystalline olefin polymer for high speed spinning26 May 2026US 12,637,557 B2W. R. Grace & Co.-Conn.
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- 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.
- Flame retardant polypropylene composition comprising a synergist27 Aug 2026US 2026/0250496 A1Borealis AG
- Recyclable multilayer films having a heco/ldpe-based core layer20 Aug 2026US 2026/0241672 A1
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
- Porous film composites139US 5,169,712 AAmoco Corporation · 1992
- Elastic fibers and articles made therefrom, including crystalline and crystallizable polymers of propylene138US 6,342,565 B12002