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:
Jun. 23, 2020
Filed:
Jan. 25, 2017
Taoka Chemical Co., Ltd., Osaka-shi, Osaka, JP;
Yuji Nishida, Osaka, JP;
Takafumi Saiki, Osaka, JP;
Ayumi Matsushima, Osaka, JP;
Hideki Morio, Osaka, JP;
Yuka Morinaga, Osaka, JP;
Yoshinori Kawamura, Osaka, JP;
TAOKA CHEMICAL CO., LTD., Osaka-shi, JP;
Abstract
Provided are a bisphenol represented by the general formula (1), a method for producing the bisphenol, and a polyarylate resin, a (meth)acrylate compound and an epoxy resin which are derived from the bisphenol. In the formula (1), Rto Rare the same or different, and each represent an alkyl group, an aryl group or a halogen atom, nand nare the same or different, and each represent an integer of 1 to 4, and kto kare the same or different, and each represent 0 or an integer of 1 to 4. When at least one of kto kis 2 or more, corresponding Rto Rmay be the same or different.