C08F 4/63904
In combination with another component of c08f4/62
Official title: {in combination with another component of C08F4/62}
C08F4/63904 (In combination with another component of c08f4/62) appears on 40 US grants and 8 published applications in this corpus.
Search patents in C08F- Granted patents
- 40
- Published applications
- 8
- Assignees
- 21
- Inventors
- 63
- Latest grant
- 8 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 2 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Chromium (III) catalyst systems with activator-supports8 Dec 2020US 10,858,459 B2Chevron Phillips Chemical Company LP
- Chromium (III) catalyst systems with activator-supports26 May 2020US 10,662,266 B2Chevron Phillips Chemical Company LP
- Chromium (III) catalyst systems with activator-supports2 Apr 2019US 10,246,528 B2Chevron Phillips Chemical Company LP
- Composite catalyst for production of polyethylene17 Sep 2013US 8,536,286 B2China Petroleum & Chemical Corporation
- Imino-amide catalyst compositions for the polymerization of olefins19 Jul 2005US 6,919,413 B2Univation Technologies, LLC
- Chromium (III) Catalyst Systems With Activator-Supports30 Jul 2020US 2020/0239605 A1Chevron Phillips Chemical Company LP
- Chromium (III) Catalyst Systems With Activator-Supports23 May 2019US 2019/0153129 A1Chevron Phillips Chemical Company LP
- Chromium (III) Catalyst Systems With Activator-Supports9 Jul 2015US 2015/0191554 A1Chevron Phillips Chemical Company LP
- Composite catalyst for production of polyethylene17 Jun 2010US 2010/0152397 A1China Petroleum & Chemical Corporation
- Chromium catalysts active in olefin polymerization24 Jan 2008US 2008/0021180 A1Repsol Quimica S.A.
Most cited
By later US patents
- Process for producing polyolefins and polyolefin catalysts199US 4,939,217 APhillips Petroleum Company · 1990
- Catalyst composition and process for polymerizing polymers having multimodal molecular weight distribution163US 5,032,562 AMobil Oil Corporation · 1991
- Catalyst systems for producing polyolefins having a broad molecular weight distribution112US 4,975,403 AFina Technology, Inc. · 1990
- Catalyst and method of broadening polymer molecular weight distribution and increasing polymer tensile impact strength and products made thereof91US 5,281,679 AExxon Chemical Patents Inc. · 1994
- Polyethylene, thermoplastic resin composition containing same, and process for preparing polyethylene69US 6,121,402 AIdemitsu Kosan Co., Ltd. · 2000