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. 21, 1999
Filed:
Dec. 10, 1997
Applicant:
Inventors:
Herbert Peiffer, Mainz, DE;
Cynthia Bennett, Alzey, DE;
Werner Roth, Eppstein, DE;
Karsten Fritsch, Schwabmunchen, DE;
Assignee:
Hoechst Diafoil GmbH, Wiesbaden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428212 ; 428346 ; 428347 ; 428349 ; 428354 ; 428480 ; 428910 ; 26417312 ; 26417315 ; 26417316 ; 2642902 ;
Abstract
The invention relates to a coextruded heat-sealable polyester film having at least one base layer and at least one heat-sealable outer layer, wherein this heat-sealable outer layer comprises a copolymer which contains from 5 to 95% by weight of ethylene 2,6-naphthalate units.