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:
Jun. 26, 1984
Filed:
Apr. 05, 1982
Applicant:
Inventor:
Edwin D Hornbaker, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525 71 ; 525 78 ; 525221 ; 525301 ;
Abstract
Polyblends comprising a thermoplastic vinyl chloride polymer and a thermoplastic copolymer of (1) at least one vinyl aromatic monomer, (2) acrylic acid or methacrylic acid, or both, and (3) optionally at least one additional copolymerizable termonomer have useful properties, notably useful heat deflection temperatures under load. The copolymers are preferably rubber-modified graft copolymers.