C08L 23/16
Ethylene-propylene or ethylene-propylene-diene copolymers
C08L23/16 (Ethylene-propylene or ethylene-propylene-diene copolymers) appears on 3,246 US grants and 2,899 published applications in this corpus.
Search patents in C08L- Granted patents
- 3,246
- Published applications
- 2,899
- Assignees
- 970
- Inventors
- 6,738
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 13 | 0 |
| 1978 | 32 | 0 |
| 1979 | 14 | 0 |
| 1980 | 26 | 0 |
| 1981 | 22 | 0 |
| 1982 | 28 | 0 |
| 1983 | 15 | 0 |
| 1984 | 15 | 0 |
| 1985 | 24 | 0 |
| 1986 | 14 | 0 |
| 1987 | 22 | 0 |
| 1988 | 40 | 0 |
| 1989 | 48 | 0 |
| 1990 | 51 | 0 |
| 1991 | 47 | 0 |
| 1992 | 45 | 0 |
| 1993 | 63 | 0 |
| 1994 | 70 | 0 |
| 1995 | 58 | 0 |
| 1996 | 64 | 0 |
| 1997 | 58 | 0 |
| 1998 | 79 | 0 |
| 1999 | 78 | 0 |
| 2000 | 94 | 0 |
| 2001 | 134 | 24 |
| 2002 | 106 | 110 |
| 2003 | 109 | 113 |
| 2004 | 87 | 118 |
| 2005 | 70 | 113 |
| 2006 | 55 | 133 |
| 2007 | 48 | 145 |
| 2008 | 45 | 84 |
| 2009 | 53 | 113 |
| 2010 | 83 | 149 |
| 2011 | 99 | 100 |
| 2012 | 67 | 108 |
| 2013 | 91 | 97 |
| 2014 | 76 | 90 |
| 2015 | 84 | 110 |
| 2016 | 72 | 113 |
| 2017 | 96 | 131 |
| 2018 | 101 | 151 |
| 2019 | 121 | 159 |
| 2020 | 113 | 132 |
| 2021 | 88 | 151 |
| 2022 | 96 | 143 |
| 2023 | 92 | 102 |
| 2024 | 98 | 92 |
| 2025 | 73 | 65 |
| 2026 | 48 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Floor covering and method for the production thereof22 Sep 2026US 12,742,060 B2Nora Systems GmbH
- Polypropylene blend8 Sep 2026US 12,729,296 B2Ineos Europe AG
- Resin composition and power cable1 Sep 2026US 12,723,150 B2Sumitomo Electric Industries, Ltd.
- Polypropylene resin composition25 Aug 2026US 12,715,985 B2Sumitomo Chemical Company, Limited
- Highly insulated rubber composition, processing method therefor, and uses thereof25 Aug 2026US 12,715,987 B2Hangzhou Xinglu Technologies Co., Ltd
- Resin composition, method for producing resin composition, and injection molded article1 Oct 2026US 2026/0297312 A1Honda Motor Co., Ltd.
- Rubber composition, and associated formulation method and parts1 Oct 2026US 2026/0297313 A1
- Composite material containing cellulose fibers and having high impact strength1 Oct 2026US 2026/0297314 A1
- Olefin-based rubber crosslinked product and method for producing the same1 Oct 2026US 2026/0297315 A1Toyoda Gosei Co., Ltd.
- Propylene-based copolymer compositon24 Sep 2026US 2026/0286115 A1Basell Poliolefine Italia S.r.l.
Most cited
By later US patents
- Elastic substantially linear olefin polymers1,374US 5,272,236 AThe Dow Chemical Company · 1993
- Elastic substantialy linear olefin polymers1,117US 5,278,272 AThe Dow Chemical Company · 1994
- Propylene ethylene polymers313US 6,525,157 B2ExxonMobile Chemical Patents Inc. · 2003
- Fibers of polyolefin polymers280US 5,322,728 AExxon Chemical Patents Inc. · 1994
- Linear ethylene interpolymer blends of interpolymers having narrow molecular weight and composition distributions249US 5,382,631 AExxon Chemical Patents Inc. · 1995