C08F 2500/12
Melt flow index or melt flow ratio
C08F2500/12 (Melt flow index or melt flow ratio) appears on 358 US grants and 418 published applications in this corpus.
Search patents in C08F- Granted patents
- 358
- Published applications
- 418
- Assignees
- 115
- Inventors
- 982
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 5 |
| 2013 | 0 | 1 |
| 2014 | 1 | 5 |
| 2015 | 13 | 7 |
| 2016 | 16 | 33 |
| 2017 | 16 | 45 |
| 2018 | 30 | 74 |
| 2019 | 44 | 88 |
| 2020 | 64 | 36 |
| 2021 | 66 | 47 |
| 2022 | 22 | 23 |
| 2023 | 29 | 17 |
| 2024 | 21 | 13 |
| 2025 | 17 | 9 |
| 2026 | 16 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymers with low levels of volatile organic compounds and methods of making such polymers22 Sep 2026US 12,742,026 B2ExxonMobil Chemical Patents Inc.
- Copolymer, composition, molded product and coated electrical wire22 Sep 2026US 12,742,028 B2AGC Inc.
- Copolymer, injection molded body, member to be compressed, and covered wire15 Sep 2026US 12,735,562 B2Daikin Industries, Ltd.
- Ethylene-octene copolymers with improved property profile1 Sep 2026US 12,723,118 B2Borealis AG
- Olefin-based polymer4 Aug 2026US 12,698,353 B2LG Chem.Ltd.
- Cable compositions comprising a multimodal ethylene-butene-hexene polymer1 Oct 2026US 2026/0297229 A1Abu Dhabi Polymers Co. Ltd (Borouge) - Sole Proprietorship L.L.C.
- Process for producing branched polyolefin17 Sep 2026US 2026/0275006 A1Dow Global Technologies LLC
- Dual Catalyst System for Producing High Density Polyethylenes With Long Chain Branching10 Sep 2026US 2026/0265420 A1Chevron Phillips Chemical Company LP
- Transparent polypropylene composition20 Aug 2026US 2026/0242584 A1Basell Poliolefine Italia S.r.l.
- Compositon for automotive exterior parts25 Jun 2026US 2026/0176456 A1Borealis AG
Most cited
By later US patents
- Low density polyolefin resins and films made therefrom75US 9,006,367 B2Chevron Phillips Chemical Company LP · 2015
- Polymers with improved ESCR for blow molding applications66US 9,169,337 B2Chevron Phillips Chemical Company LP · 2015
- Dual catalyst system for producing LLDPE copolymers with a narrow molecular weight distribution and improved processability35US 10,000,594 B2Chevron Phillips Chemical Company LP · 2018
- Crystalline propylene polymers and copolymers in the form of spherical particles at high porosity33US 5,236,962 AHimont Incorporated · 1993
- Processes for preparing metallocene-based catalyst systems29US 9,163,098 B2Chevron Phillips Chemical Company LP · 2015