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. 15, 1980
Filed:
Jun. 02, 1978
Applicant:
Inventors:
Shyoji Yokokoji, Sayama, JP;
Kazuhisa Hoshino, Ichikawa, JP;
Assignee:
Toppan Printing Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61J / ; A61M / ;
U.S. Cl.
CPC ...
128272 ; 1282 / ; 128D / ;
Abstract
A container bag for use in preserving blood or its component materials in liquid nitrogen. The container bag has excellent physical properties especially in quite low temperature conditions and is composed of: an inner layer made of ethylene-tetrafluoroethylene copolymer and an outer layer made of one member selected from the group consisting of polyethylene phthalate, polyethylene naphthalate, cross-linked polyethylene, perfluoroalkoxy resin, polytetrafluoroethylene, tetrafluoroethylene-hexafluoropropylene copolymer and aromatic polyimide.