The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2013
Filed:
Sep. 24, 2010
Applicants:
Errun Ding, Bartlesville, OK (US);
Albert P. Masino, Tulsa, OK (US);
Joel L. Martin, Bartlesville, OK (US);
Youlu Yu, Bartlesville, OK (US);
Inventors:
Errun Ding, Bartlesville, OK (US);
Albert P. Masino, Tulsa, OK (US);
Joel L. Martin, Bartlesville, OK (US);
Youlu Yu, Bartlesville, OK (US);
Assignee:
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 31/22 (2006.01); B01J 31/00 (2006.01); C07D 213/06 (2006.01); C07C 43/06 (2006.01); C07F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalyst system comprising a half-sandwich chromium complex, an activator support and an optional cocatalyst. A compound of formula Cp'Cr(Cl)(L), where Cp′ is η—CHCHCHCH═CHand Lis pyridine, THF or diethylether. A compound of formula Cp″Cr(Cl)(L), where Cp″ is η—CHC(Me)CHCHCH═CHand Lis pyridine, THF or diethylether.