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:
Aug. 09, 2011
Filed:
Oct. 07, 2009
Gai-chi Chen, Taipei, TW;
Ching-jui Huang, Taipei, TW;
An Pang Tu, Taipei, TW;
Kuen Yuan Hwang, Taipei, TW;
Gai-Chi Chen, Taipei, TW;
Ching-Jui Huang, Taipei, TW;
An Pang Tu, Taipei, TW;
Kuen Yuan Hwang, Taipei, TW;
Chang Chun Plastic Co., Ltd., Taipei, TW;
Abstract
The present invention provides a phosphorus-containing compound of formula (I): wherein R, R, Rand Rare the same or different; and R, R, Rand Rare independently selected from the group consisting of hydrogen, halogen, Calkyl, haloalkyl, and alkoxy. The phosphorus-containing compound is prepared by bonding a bisphenol group to a phosphorus atom to prevent the phosphorus-containing heterocyclic molecule from exhibiting steric hindrance on hydroxyl functional groups, thereby increasing reactivity in the subsequent reactions.