C08F 2500/03
Narrow molecular weight distribution, i.e. mw/mn < 3
Official title: Narrow molecular weight distribution, i.e. Mw/Mn < 3
C08F2500/03 (Narrow molecular weight distribution, i.e. mw/mn < 3) appears on 133 US grants and 155 published applications in this corpus.
Search patents in C08F- Granted patents
- 133
- Published applications
- 155
- Assignees
- 70
- Inventors
- 440
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 3 | 4 |
| 2015 | 7 | 8 |
| 2016 | 8 | 16 |
| 2017 | 7 | 20 |
| 2018 | 19 | 29 |
| 2019 | 17 | 33 |
| 2020 | 22 | 14 |
| 2021 | 23 | 10 |
| 2022 | 8 | 6 |
| 2023 | 4 | 2 |
| 2024 | 2 | 3 |
| 2025 | 5 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyethylene for preparing fiber and preparation method of the same28 Apr 2026US 12,612,475 B2LG Chem.Ltd.
- Alpha-olefin interpolymers with improved molecular design for photovoltaic encapsulants20 Jan 2026US 12,528,897 B2Dow Global Technologies LLC
- Polymerization of purge stream containing 1-octene6 Jan 2026US 12,516,138 B2Dow Global Technologies LLC
- Non-coordinating anion type activators for use with polyolefin polymerization catalysts11 Nov 2025US 12,466,902 B2ExxonMobil Chemical Patents Inc.
- Powder type polypropylene resin and method for preparing the same28 Oct 2025US 12,454,588 B2LG Chem.Ltd.
- Phosphine-phenol half-metallocene complex, and preparation method therefor and use thereof14 May 2026US 2026/0132161 A1China Petroleum & Chemical Corporation
- Method of producing multimodal polyethylene using at least one group iii-based or lanthanide-based biphenylphenoxy catalyst12 Mar 2026US 2026/0071015 A1Dow Global Technologies LLC
- High molecular weight zwitterion-containing polymers5 Sep 2024US 2024/0293585 A1Kodiak Sciences Inc.
- Polyethylene for preparing fiber and preparation method of the same28 Mar 2024US 2024/0101729 A1LG Chem.Ltd.
- Polymer blends14 Mar 2024US 2024/0084071 A1Zeus Co., Ltd.
Most cited
By later US patents
- Process for selectively polymerizing ethylene and catalyst therefor37US 8,609,794 B2Dow Global Technologies LLC · 2013
- Polyolefin composition34US 9,102,819 B2Dow Global Technologies LLC · 2015
- Polyolefin composition30US 9,115,275 B2Dow Global Technologies LLC · 2015
- BOPP film having low shrinkage26US 9,745,431 B2Borealis AG · 2017
- Dilution index21US 9,512,282 B2NOVA Chemicals (International) S.A. · 2016