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:
Jul. 22, 1997
Filed:
Jun. 28, 1995
Shinn-Jen Chang, Hsinchu, TW;
Yuung-Ching Sheen, Tainan Hsien, TW;
Yi-Ni Cheng, Taipei, TW;
Rong-Shuh Chang, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
The synthesis of a non-halogen flame retardant oligomer containing highly pendnat phosphorus moieties is disclosed. Diols, unsaturated double bond-containing dicarboxylic acids or acid anhydrides and saturated dicarboxylic acids or acid anhydrides are first esterified to form an oligomeric unsaturated polyester, and then a phsophorus-containing compound is grafted onto the oligomeric unsaturated polyester through addtion reaction in the presence of a selected metal complex catalyst.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile