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:
Aug. 20, 1985
Filed:
Jan. 09, 1984
Applicant:
Inventors:
Gerald W Miller, Cincinnati, OH (US);
H Harald Lutzmann, Cleveland, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524141 ; 524169 ; 524104 ; 524230 ; 524557 ;
Abstract
Formed articles made from polyvinyl alcohol having an oxygen permeability of no more than about 1 cc mil/100 in.sup.2 24 hr atm. at 80% relative humidity, compositions suitable for use in manufacturing such articles and a process for manufacturing such articles by forming polyvinyl alcohol containing a non-hydroxyl plasticizer in a substantially water-free condition and cooling at a rate sufficiently slow to provide the enhanced impermeability, are disclosed.