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:
Sep. 13, 2011
Filed:
Dec. 31, 2008
Sung-yueh Shieh, Taipei, TW;
Dein-run Fung, Taipei, TW;
Han-ching Hsu, Taipei, TW;
Yang-tu Liu, Taipei, TW;
Sung-Yueh Shieh, Taipei, TW;
Dein-Run Fung, Taipei, TW;
Han-Ching Hsu, Taipei, TW;
Yang-Tu Liu, Taipei, TW;
Nan Ya Plastics Corporation, Taipei, TW;
Abstract
A hexahydrophthalate based compound is adapted to use as a plasticizer that contains no phthalic acid and benzoic acid, possess physical properties superior to DEHA and DINA in transparency and adhesion and is friendly to organisms and the environment; and a process for producing the hexahydrophthalate based compound includes esterifying hexahydrophthalic anhydride, a diol, and a catalyst for decarboxylation to get hexahydrophthalic alcohol, and adding a monoacid into the hexahydrophthalic alcohol for further esterification, thereby obtaining the hexahydrophthalate based compound.