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:
Jul. 11, 1989
Filed:
Dec. 19, 1985
John F Vitkuske, Midland, MI (US);
Corwin J Bredeweg, Midland, MI (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
Novel copolymer blends comprising (a) a copolymer of alkenyl aromatic monomers containing from about 10 to about 70 percent by weight of an isopropenyl aromatic monomer, (b) a block copolymer having an alkenyl aromatic monomer blocks and polybutadiene blocks containing from about 10 to about 70 percent by weight isopropenyl aromatic monomer in the alkenyl aromatic block and from about 15 to about 50 weight percent butadiene, (c) a block copolymer having alkenyl aromatic monomer blocks and polybutadiene blocks containing from about 10 to about 70 percent by weight isopropenyl aromatic monomer in the alkenyl aromatic monomer and from about 55 to about 80 weight percent butadiene, and (d) a polyolefin.