Process for the separation of colloidal barium phosphate or coll

Details Process for the separation of colloidal barium phosphate or coll Process for the separation of colloidal barium phosphate or coll

1992-06-29

1992-12-29

Mars, Howard T.

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

Organic compounds

Oxygen containing

568 45, 568608, 554149, 560248, 564497, L07L 4140

Patent

active

051753740

ABSTRACT:
The invention relates to a process for the separation of colloidal barium phosphate or colloidal barium sodium phosphate, used as a heterogeneous catalyst in the alkoxylation of an active hydrogen containing organic compound, from the alkoxylated product, which process comprises contacting the alkoxylated product with an amount of water sufficient to break the colloidal state of the barium phosphate or barium sodium phosphate, and collecting the phosphate.

REFERENCES:
patent: 4967016 (1990-10-01), Kemp

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