Polyester polymerization catalyst, polyester produced by...

Details Polyester polymerization catalyst, polyester produced by... Polyester polymerization catalyst, polyester produced by...

2006-12-05

2006-12-05

Acquah, Samuel A. (Department: 1711)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C528S275000, C528S277000, C528S280000, C528S282000, C528S286000, C528S298000, C528S302000, C528S307000, C528S308000, C528S308600, C524S706000, C524S710000, C524S711000, C524S713000, C502S102000, C502S103000, C502S104000, C502S155000, C502S157000, C502S162000, C428S034900, C428S221000, C428S364000

Reexamination Certificate

active

07144614

ABSTRACT:
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 and a phosphorus compound having a specific structure. Further, this invention relates to polyester produced by using this polyester polymerization catalyst and a process for producing polyester. Further, this invention relates to fibers, films and hollow molded articles comprising the polyester.

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