Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Patent
1989-03-20
1990-09-18
Shippen, Michael L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
252 8551, 2523153, 536 171, 536121, C07F 728
Patent
active
049580388
ABSTRACT:
A process which comprises (A) combining (i) glycerol, erythritol, arabitol, xylitol, sorbitol, dulcitol, mannitol, inositol, a monosaccharide, or a disaccharide, (ii) water and (iii) lactic acid, glycolic acid, malic acid, citric acid, tartaric acid, saccharic acid, gluconic acid, glyceric acid or mandelic acid to provide an aqueous solution of the polyol and the .alpha.-hydroxy carboxylic acid, and (B) then at an alkaline pH of 10 or less reacting the solution with a tetravalent titanium compound of an inorganic acid at an .alpha.-hydroxy carboxylic acid:titanium mol ratio between about 0.5:1 and about 4:1 and a polyol:titanium mol ratio between about 0.25:1 and about 2:1.
REFERENCES:
patent: 2898356 (1959-08-01), Russell
patent: 3090728 (1963-05-01), Berger
patent: 3460956 (1969-08-01), Dahle
patent: 3888312 (1975-06-01), Tiner et al.
patent: 4113757 (1978-09-01), Kay
patent: 4609479 (1986-09-01), Smeltz
E. I. Du Pont de Nemours and Company
Shippen Michael L.
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