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. 12, 2017
Filed:
Jul. 06, 2016
Taiwan Hopax Chems. Mfg. Co., Ltd., Kaohsiung, TW;
Kun-Hsin Lee, Kaohsiung, TW;
Ying-Jin Chen, Kaohsiung, TW;
Tzu-Hua Feng, Kaohsiung, TW;
Li-Jane Her, Kaohsiung, TW;
Chia-Jun Chiang, Kaohsiung, TW;
TAIWAN HOPAX CHEMS. MFG. CO., LTD., Kaohsiung, TW;
Abstract
The present invention provides a carboxyl sulfonate compound and preparation method thereof. The present carboxyl sulfonate compound has structure of formula (A): wherein Mis hydrogen or an alkali metal; Mis hydrogen, alkyl or an alkali metal; Y is hydrogen, alkyl; carboxyl, carboxyl salt; alkylcarboxyl, or alkylcarboxyl salt; n is an integer from 1 to 10; and m is an integer from 1 to 10. The carboxylic group and the sulfonic acid group in the structure of the present carboxyl sulfonate compound show excellent chelating ability to metal ions; therefore, the present carboxyl sulfonate compound is particularly for use in electroplating additive.