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:
Mar. 13, 2012
Filed:
Jul. 14, 2009
Ching-hsuan Lin, Taichung, TW;
Chia-wei Chang, Hsinchu, TW;
Tsung-li Lin, Yunlin County, TW;
Kuen-yuan Hwang, Hsinchu County, TW;
An-pang Tu, Hsinchu County, TW;
Fang-hsien Su, Hsinchu County, TW;
Ching-Hsuan Lin, Taichung, TW;
Chia-Wei Chang, Hsinchu, TW;
Tsung-Li Lin, Yunlin County, TW;
Kuen-Yuan Hwang, Hsinchu County, TW;
An-Pang Tu, Hsinchu County, TW;
Fang-Hsien Su, Hsinchu County, TW;
National Chunghsing University, Taichung, TW;
Chang Chun Plastics Co., Ltd, Taipei, TW;
Abstract
The Phosphorus-containing bisphenols and preparing method thereof are disclosed. A method for producing the phosphorus-containing bisphenol of the formula (1) includes reacting compounds respectively defined by a formula (a), (b), (c) and an acid catalyst to yield compounds of phosphorus-containing bisphenol.