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:
Mar. 12, 2002
Filed:
Jun. 11, 1999
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/508 ;
U.S. Cl.
CPC ...
B32B 1/508 ;
Abstract
A packaging material for electrophotographic development materials is disclosed. The packaging material comprising a film having a moisture permeability of 0.7 g/m /day, or a packaging material for electrophotographic development materials in which inner-most layer is an adhesive layer, the top layer is a polyester layer, and between them, there are at least an aluminum layer and a polyamide layer. The packaging material exhibits high moisture-resistance and film strength, and can cope with environmental issues.