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. 07, 2020
Filed:
Feb. 09, 2017
Sumitomo Chemical Company, Limited, Tokyo, JP;
Kazuyuki Ito, Tsukuba, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
An aromatic polysulfone composition is provided which includes an aromatic polysulfone and an organic compound having a boiling point no lower than 100° C. and no higher than 400° C. The organic compound is contained in an amount of at least 0.1 ppm and at most 10 mass % relative to the mass of the aromatic polysulfone. The aromatic polysulfone has repeating units expressed by formula (1):-Ph-SO-Ph-O—  (1) In formula (1), Phand Phrepresent phenylene groups in which one or more hydrogen atoms that bind to the phenylene groups may, independently of each other, be substituted with an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms, or a halogen atom.