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:
Dec. 14, 2021
Filed:
Jul. 20, 2017
Applicant:
Mitsui Chemicals, Inc., Tokyo, JP;
Inventors:
Kenichi Fukukawa, Tokyo, JP;
Masaki Okazaki, Chiba, JP;
Tatsuhiro Urakami, Ichihara, JP;
Hiroshi Miyasako, Chiba, JP;
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/28 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
B32B 27/281 (2013.01); B32B 27/08 (2013.01); B32B 2250/02 (2013.01); B32B 2250/24 (2013.01); B32B 2439/80 (2013.01);
Abstract
The purpose of the present invention is to provide a medical film having excellent transparency, heat resistance, and solvent resistance. This medical film is a medical film including a heat-resistant resin having a glass transition temperature measured by thermomechanical analysis TMA of 190° C. or higher wherein the medical film has a total light transmittance of 80% or higher at a thickness of 10 μm and a b* value in the L*a*b* color system of 10 or lower.