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. 01, 2020
Filed:
Sep. 07, 2016
Dow Global Technologies Llc, Midland, MI (US);
Hanno R. Van der Wal, Hoek, NL;
Paul Cookson, Schindellegi, CH;
Francois M. Casati, Pfaffikon, CH;
Antoon De Smet, Oostburg, NL;
Sven Claessens, Lokeren, BE;
Prashant Tatake, Mumbai, IN;
Bart Noordover, Eindhoven, NL;
Brian Anthony, Yarraville, AU;
Jozef Van Dun, Horgen, CH;
Dow Global Technologies LLC, Midland, MI (US);
Abstract
A method for making a copolymer polyol includes (a) forming a pre-compounded thermoplastic polymeric composition by compounding from 10 wt % to 90 wt % of a solid functional additive component with from 10 wt % to 90 wt % of a polystyrene component, (b) melting the pre-compounded thermoplastic polymeric composition to form a melted thermoplastic polymeric composition, (c) combining the melted thermoplastic polymeric composition with a carrier polyol component in the presence of a stabilizer component to form a pre-mixture that includes the pre-compounded thermoplastic polymeric composition dispersed within a continuous phase of the carrier polyol component, and (d) cooling the pre-mixture to form the copolymer polyol.