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. 11, 2018
Filed:
Feb. 05, 2016
Sumitomo Chemical Company, Limited, Tokyo, JP;
Shuhei Matsumoto, Niihama, JP;
Natsuko Kimura, Osaka, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Chuo-ku, Tokyo, JP;
Abstract
The present invention relates to a phosphorous acid compound represented by formula (I): wherein Rrepresents a Calkyl group, a Ccycloalkyl group, a Calkyl cycloalkyl group, a Caralkyl group or a Caryl group; Rrepresents a hydrogen atom or a Calkyl group; and Rrepresents a Calkylene group, a stabilizer for organic materials containing the phosphorous acid compound, a method for stabilizing an organic material in which the phosphorous acid compound is added to the organic material, and a stabilized organic material composition containing an organic material and the phosphorous acid ester compound.