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.

Date of Patent:
Apr. 18, 2006

Filed:

Feb. 22, 2001
Applicants:

Kenichi Hama, Tokyo, JP;

Tsuyoshi Kage, Tokyo, JP;

Inventors:

Kenichi Hama, Tokyo, JP;

Tsuyoshi Kage, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01); B32B 1/08 (2006.01); B29D 22/00 (2006.01); B29D 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A plastic container for liquid medicine, which, concerning the effective components of liquid medicine, is capable of prevention of deterioration in quality due to mixing of oxygen and water vapor, prevention of variation in concentration due to water volatilization and moisture absorption, etc. A plastic container for liquid medicine, which is a plastic container internally coated with DLC (diamond-like carbon) film wherein water vapor permeability is 0–0.006 g/container/day and oxygen permeability is 0–0.011 ml/container/day, such properties being obtained by optimizing the three conditions, composition, density and film thickness of the DLC film.


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