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. 12, 1996
Filed:
Apr. 18, 1995
Applicant:
Inventors:
Vladimir Antonov, Wilmington, DE (US);
David D Zhang, Newark, DE (US);
Stephen R Tanny, Newark, DE (US);
Alister M Soutar, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525221 ; 525210 ; 428 357 ; 428 358 ; 428365 ; 428464 ; 220359 ;
Abstract
The present invention is directed to extrudable sealants which are particularly well suited for bonding a metal based, lidding material to a polystyrene container. The most preferred sealant compositions of the present invention preferably contain an acid copolymer, a tackifier and a polyolefin.