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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kuwata; Mitsuyoshi
Address:
Ohtsu, JP
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
8293862 Polyester polymerization catalyst, polyester produced by using the same, and a process for produ October 23, 2012
The present invention provides processes for producing polyester. In one of the embodiments, the invention provides a process for producing polyester, comprising adding a catalyst in a polycondensation reaction, esterification reaction or transesterification reaction between componen
7208565 Polymerization catalyst for polyesters, polyester produced with the same, and process for produc April 24, 2007
This invention provides a novel polycondensation catalyst using no antimony compound, polyester produced by using the same, and a process for producing polyester. A novel catalyst comprising an aluminum compound and a phosphorus compound is used as the polycondensation catalyst in pr
7144614 Polyester polymerization catalyst, polyester produced by using the same, and process for produci December 5, 2006
This invention provides a novel polymerization catalyst other than antimony compounds, polyester produced by using the same and a process for producing polyester. The polycondensation catalyst of this invention is a polyester polymerization catalyst comprising an aluminum compound an
7132383 Polymerization catalyst for polyester, polyester produced with the same, and process for produci November 7, 2006
A polymerization catalyst for polyester production which contains neither a germanium compound nor an antimony compound as a major component. It contains aluminum as the main metallic ingredient, has excellent catalytic activity, and gives a polyester which is effectively inhibited f










 
 
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