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:
Sep. 08, 2020
Filed:
Apr. 25, 2019
Stewart P. Lewis, Zanesville, OH (US);
Stewart P. Lewis, Zanesville, OH (US);
Other;
Abstract
A processes for effecting the cationic polymerization of olefins in a controlled manner that includes the step of contacting olefin monomers and a catalytically effective amount of an initiating composition containing (A) a recyclable aluminum, gallium, or indium perfluorinated organosulfonate, (B) a solubilizing agent, (C) an initiator selected from the group consisting of (i) carbocation synthons, (ii) halogenium ion synthons, (iii) Brønsted acids, and (iv) silicenium ion synthons, and optionally (D) a nucleophilic additive. The invention further includes a process for recycling aluminum, gallium, or indium perfluorinated organosulfonates that includes the steps of aqueous extraction and dehydration. A novel initiator system is also disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile