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. 04, 2019
Filed:
Sep. 26, 2011
Pietro Baita, Santa Maria Maddalena, IT;
Paolo Ferrari, Ferrara, IT;
Ines Mingozzi, Ferrara, IT;
Lorella Pedriali, Ferrara, IT;
Maria Di Diego, Bologna, IT;
Roberta Pica, Ferrara, IT;
Pietro Baita, Santa Maria Maddalena, IT;
Paolo Ferrari, Ferrara, IT;
Ines Mingozzi, Ferrara, IT;
Lorella Pedriali, Ferrara, IT;
Maria Di Diego, Bologna, IT;
Roberta Pica, Ferrara, IT;
Basell Polyolefine GmbH, Wesseling, DE;
Abstract
A method for feeding an antistatic compound to a polymerization reactor comprising the steps of: a) dispersing, under mixing conditions, a catalyst powder and an antistatic compound in an oil, so as to form a suspension of catalyst powder and antistatic compound in said oil; b) successively adding, under mixing conditions, a molten thickening agent to said suspension from step a), while maintaining said suspension at a temperature such that said thickening agent solidifies on contact with said suspension; c) transferring the product obtained from b) to a polymerization reactor.