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. 24, 1998
Filed:
Feb. 07, 1997
Applicant:
Inventors:
Walter B Mueller, Inman, SC (US);
Cynthia L Ebner, New Market, MD (US);
William P Roberts, Spartanburg, SC (US);
Assignee:
W. R. Grace & Co.-Conn., Duncan, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
4283 / ; 428 352 ; 428 357 ; 428343 ; 428515 ; 428516 ; 428520 ; 428522 ; 428523 ; 525192 ; 525196 ; 525221 ; 5253297 ; 5253302 ; 2065244 ;
Abstract
A film suitable for packaging medical solutions and other pH sensitive products wherein the product pH is controlled by including an ionomer resin as a core layer, strength layer, or other distinct intermediate layer positioned between a sealant layer and a vinyl carboxylate copolymer containing layer.