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:
Jun. 14, 2016
Filed:
Dec. 18, 2013
Saudi Basic Industries Corporation, Riyadh, SA;
Vugar O. Aliyev, Riyadh, SA;
SAUDI BASIC INDUSTRIES CORPORATION, Riyadh, SA;
Abstract
The invention relates to a process for the production of high density polyethylene by polymerization of ethylene in the presence of a silylchromate based catalyst and a reducing agent is characterized in that the reducing agent comprises the reaction mixture of an alkyl aluminum compound and/or boron compound and a nitrogen containing compound. The alkyl aluminum compound is an organo aluminum compound having the formula AlR, in which R is a hydrocarbon radical containing 1-10 carbon atom and the nitrogen containing compound comprises —NH, —NHR, —NR, wherein R may be alkyl or a substituted alkyl having from 1 to 40 carbon atoms.