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. 18, 2012
Filed:
Sep. 08, 2010
Lawrence S. Hood, Midland, MI (US);
Brian H. Deshano, Sanford, MI (US);
Lawrence S. Hood, Midland, MI (US);
Brian H. Deshano, Sanford, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
Prepare an extruded polymeric foam using a thermoplastic polymer composition of styrene-acrylonitrile copolymer having a copolymerized acrylonitrile comonomer content of 20 weight-percent or less, a mean acrylonitrile comonomer content that exceeds its median acrylonitrile comonomer content and an average copolymerized acrylonitrile comonomer distribution having a breadth at half-height that is greater than 2.5 weight-percent as measured at half peak height of a copolymerized acrylonitrile comonomer distribution curve for the styrene-acrylonitrile copolymer.