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:
Jul. 03, 1990
Filed:
Aug. 17, 1989
Applicant:
Inventors:
Shoichi Tsuji, Nagoya, JP;
Hazime Musika, Niwagun, JP;
Michiyasu Itoh, Kuwana, JP;
Junko Hayakawa, Okazaki, JP;
Eiji Miyashita, Chuo, JP;
Assignees:
Mitsui Toatsu Chemicals, Inc., Tokyo, JP;
Ferric Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4283155 ; 428 357 ; 428 365 ; 4283159 ; 428913 ;
Abstract
Provided is a film for retaining freshness of vegetables and fruits which comprises a synthetic resin film, a microporous resin film and a water-absorbing layer interposed between both said films, said microporous resin film having a maximum pore diameter not larger than 30 microns and a moisture permeability not lower than 100 g/m.sup.2 /24 hr.