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:
Nov. 15, 1988
Filed:
Oct. 29, 1987
Applicant:
Inventors:
Fred M Sonnenberg, Merion, PA (US);
Dennis M Hajnik, West Chester, PA (US);
Assignee:
Arco Chemical Company, Newtown Square, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 57 ; 521 59 ; 521139 ; 427222 ; 428 365 ;
Abstract
Various rubber polymers and copolymers have been added as a coating to seed beads of vinyl aromatic polymers. Cups molded from these beads were coffee leak tested and generally exhibited enhanced retention of coffee.