Hydrogenation of polytrimethylene ether glycol

Details Hydrogenation of polytrimethylene ether glycol Hydrogenation of polytrimethylene ether glycol

2003-08-05

2008-03-11

Price, Elvis O. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S869000, C568S617000, C568S621000, C560S248000

Reexamination Certificate

active

07342142

ABSTRACT:
A process comprising contacting PO3G having color with hydrogen in the presence of a hydrogenation catalyst, wherein the PO3G, after hydrogenation, has a APHA color of less than about 50.

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International Search Report, date of mailing: Feb. 18, 2005.
Written Opinion of the International Searching Authority, date of mailing: Feb. 18, 2005.

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