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:
Feb. 08, 2000
Filed:
Sep. 22, 1998
Applicant:
Inventors:
Keith G Spitler, Burgettstown, PA (US);
Rick L Archey, Pleasant Hills, PA (US);
Carl E Holsinger, Freedom, PA (US);
Leslie J Vescio, Ambridge, PA (US);
Assignee:
Bayer Corporation, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29C / ; C08J / ; C08K / ; C08L / ;
U.S. Cl.
CPC ...
523218 ; 264 451 ; 264 453 ; 521 54 ; 523200 ;
Abstract
The present invention relates to a process for producing a dispersion of polymeric microspheres in a polyol comprising expanding 1 to 70% by weight of polymeric beads in a polyol with a twin screw extruder to simultaneously mix and expand the beads to create a uniform dispersion of the microspheres in the polyol such that the wetting of the microspheres by the polyol is maximized.
Spitler, Keith. (2000). Expansion of polymeric microspheres insitu in a rigid pur/pir foam (U.S. Patent No. 6022912). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6022912
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile