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. 02, 1999
Filed:
Aug. 06, 1996
Applicant:
Inventors:
Yasuhiro Oda, Kanagawa, JP;
Yoshitsugu Maruhashi, Kanagawa, JP;
Assignee:
Toyo Seikan Kaisha, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D / ; B65D / ;
U.S. Cl.
CPC ...
428 367 ; 428 359 ; 428 357 ; 428 3691 ; 428516 ; 428517 ; 428518 ; 428520 ; 428910 ;
Abstract
A method of preventing a container from becoming colored by contents of the container in a packaging process comprising filling and sealing colored contents in a packaging container having an inner surface comprising a plastic material and then disinfecting and sterilizing the contents by heat treatment, wherein said inner surface plastic material comprises a thermoplastic resin having a glass transition temperature (Tg) 10.degree. C. or more higher than the temperature of said heat treatment and a coefficient of moisture permeability at 40.degree. C. and 90% RH of 2.0 g.mm/m.sup.2.24 hr or less.