C08F 297/083
The monomers being ethylene or propylene
Official title: {the monomers being ethylene or propylene}
C08F297/083 (The monomers being ethylene or propylene) appears on 437 US grants and 353 published applications in this corpus.
Search patents in C08F- Granted patents
- 437
- Published applications
- 353
- Assignees
- 146
- Inventors
- 1,107
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 20 | 5 |
| 2002 | 22 | 10 |
| 2003 | 14 | 14 |
| 2004 | 13 | 21 |
| 2005 | 11 | 19 |
| 2006 | 9 | 26 |
| 2007 | 11 | 17 |
| 2008 | 8 | 22 |
| 2009 | 10 | 33 |
| 2010 | 18 | 29 |
| 2011 | 26 | 23 |
| 2012 | 26 | 16 |
| 2013 | 13 | 14 |
| 2014 | 18 | 10 |
| 2015 | 18 | 9 |
| 2016 | 5 | 6 |
| 2017 | 9 | 5 |
| 2018 | 8 | 7 |
| 2019 | 9 | 7 |
| 2020 | 2 | 13 |
| 2021 | 1 | 15 |
| 2022 | 17 | 7 |
| 2023 | 3 | 9 |
| 2024 | 10 | 7 |
| 2025 | 3 | 4 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyolefin-polystyrene-based multiblock copolymer and method for preparing the same7 Apr 2026US 12,595,330 B2LG Chem.Ltd.
- Synthesis of block polymers based on 1,3-diene and ethylene7 Apr 2026US 12,595,331 B2Centre National De La Recherche Scientifique
- Method for preparing polyolefin-polystyrene-based multiblock copolymer14 Oct 2025US 12,441,830 B2LG Chem.Ltd.
- Ethylene-rich diene block polymer having a random block and a polyethylene block30 Sep 2025US 12,428,515 B2Centre National De La Recherche Scientifique
- Polyethylene and polypropylene block copolymers11 Mar 2025US 12,247,092 B2Cornell University
- Process for preparing an olefin-acrylate block copolymer17 Sep 2026US 2026/0275020 A1
- Process for the production of olefinic block copolymers13 Aug 2026US 2026/0234316 A1Sabic Global Technologies B.V.
- Transparent polypropylene resin and preparation method thereof9 Jul 2026US 2026/0192501 A1Shandong Chambroad Polyolefin Performance Materials Co., Ltd.
- Copolymer, preparation method therefor, vulcanized rubber and use thereof23 Apr 2026US 2026/0109802 A1China Petroleum & Chemical Corporation
- Ternary diblock copolymer, active cationic polymerization initiator composition, diisopropenylbenzene copolymer, terpene polymer, flame-retardant resin composition, flame-retardant resin cured product and uses thereof8 Jan 2026US 2026/0008881 A1Chin Yee Chemical Industries Co.,Ltd.
Most cited
By later US patents
- Block copolymers from ionic catalysts200US 5,391,629 AExxon Chemical Patents Inc. · 1995
- Thermoplastic elastomer compositions from branched olefin copolymers154US 6,147,180 AExxon Chemical Patents Inc. · 2000
- High melt strength polyethylene compositions146US 6,114,457 AExxon Chemical Patents Inc. · 2000
- Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts137US 5,770,753 ATargor GmbH · 1998
- Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation128US 7,858,706 B2Dow Global Technologies LLC · 2010