C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/522.2
C07C 51/367 (2006.01) C07C 59/305 (2006.01) C11D 3/20 (2006.01)
Patent
CA 1315292
05-21(6763)A ABSTRACT There is disclosed herein improved processes for the preparation of mixtures of alkali metal salts of 1-hydroxy-3-oxa-1,2,4,5-pentane tetracarboxylate and alkali metal salts of 3,6-dioxa-1,2,4,5,7,8-octane hexacarboxylate wherein by-product calcium carbonate produced by the process of making such mixtures is employed in a recycle pattern to prepare additional amounts of mixtures of said compounds.
609177
Horng Liou-Liang
Jason Mark Edward
Shen Chung Yu
Mcfadden Fincham
Solutia Inc.
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