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:
Aug. 31, 2021
Filed:
Feb. 09, 2017
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Yusaku Kohinata, Tsukuba, JP;
Kazuyuki Ito, Tsukuba, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 181/06 (2006.01); C08K 5/41 (2006.01); C08J 5/18 (2006.01); H05K 1/03 (2006.01); C08K 5/375 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08K 5/375 (2013.01); C08K 5/41 (2013.01); C09D 181/06 (2013.01); H05K 1/0333 (2013.01); C08J 2381/06 (2013.01); H05K 1/0393 (2013.01);
Abstract
A resin film having an aromatic polysulfone as a forming material is provided. The resin film has a thickness of less than 100 μm, and further contains an organic compound having a boiling point no lower than 250° C. and no higher than 400° C. The organic compound is contained in an amount of at least 500 ppm and at most 4000 ppm relative to the mass of the aromatic polysulfone.