Catalyst composition and process therewith

Details Catalyst composition and process therewith Catalyst composition and process therewith

2005-07-05

2005-07-05

Harlan, Robert D. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S333000

Reexamination Certificate

active

06914107

ABSTRACT:
A composition that can be used as a catalyst is disclosed. The composition comprises, or is produced by combining, a titanium compound, a glycol, a phosphorus compound, and optionally water. Also disclosed is a process that can be used for producing a polyester. The process comprises contacting, in the presence of a catalyst composition, a carbonyl compound and an alcohol under a condition suitable for esterification, transesterification, or polymerization. The catalyst composition comprises, or is produced by combining, a titanium compound, a glycol, a phosphorus compound, and optionally water.

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Allbright literature training dated Jun. 15, 1999 titled “The Polyethylene Terephthalate Industry”.

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