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:
May. 03, 2016
Filed:
Mar. 07, 2013
Ineos Europe Ag, Vaud, CH;
Daniel Marissal, Casteau, BE;
Philip Van Breuseghem, Temse, BE;
Brent R. Walworth, Sint-Niklaas, BE;
INEOS EUROPE AG, Vaud, CH;
Abstract
Polymerization process including polymerizing a monomer and a comonomer in a polymerization reaction, withdrawing an effluent stream containing solid polymer and a mixture of unreacted monomer and unreacted comonomer, and passing the effluent to a high pressure recovery system having (a) a high pressure separation step for separating vapor containing unreacted monomer and unreacted comonomer from the solids, and (b) a high pressure recycle system for recycling a portion of the vapor to the polymerization reaction, passing the solids from the high pressure recovery system to a low pressure recovery system having (a) a low pressure separation step for separating further unreacted monomer and unreacted comonomer from the solids, and (b) a low pressure recycle system for recycling at least a portion of the unreacted monomer and unreacted comonomer to the polymerization reaction. A portion of the vapor separated in step 2(a) is passed to the low pressure recovery system.