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:
May. 23, 2000
Filed:
Apr. 03, 1996
Applicant:
Inventors:
Yasuki Suzuura, Tokyo-To, JP;
Hiroshi Yamamoto, Tokyo-To, JP;
Miho Ono, Tokyo-To, JP;
Masahisa Yamaguchi, Tokyo-To, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428516 ; 428523 ; 428 352 ; 428 357 ; 428 413 ; 428 417 ; 206484 ; 2065242 ;
Abstract
Each of a pair of clean packaging films comprises a base structure consisting of a base layer and a heat-sealing layer, an outer protective film, and inner protective film. The pair of clean packaging films are superposed after the outer and the inner protective films are peeled off, and the superposed pair of packaging clean films are sealed properly to obtain pouches having clean inside and outside surfaces.