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US 5,475,123 AGranted
Polymeric materials
AssigneesMicronisers Pty Ltd, Unilever Australia Limited
InventorMichael A. Bos
Life of this patent
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Abstract
A process for the preparation of a zinc-containing polymeric material which includes providing a divalent metal compound including zinc; a polyhydroxy compound; and a catalyst; mixing the divalent metal compound and the polyhydroxy compound in substantially stoichiometric amounts in the presence of the catalyst at a temperature sufficient to allow reaction therebetween; and isolating the polymeric material so formed.
Claims15
A process for the preparation of a zinc-containing material, which comprises providing
- a divalent metal compound including zinc;
- a polyhydroxy compound;
- and
- a catalyst;
- mixing the divalent metal compound and the polyhydroxy compound in substantially stoichiometric amounts in the presence of the catalyst at a temperature sufficient to allow reaction therebetween;
- and
- isolating the material so formed;
- wherein said catalyst is an acid or a salt thereof.
5 more elements
A process, which comprises:
- mixing a divalent zinc-containing metal compound and a polyhydroxy compound in substantially stoichiometric amounts;
- and
- reacting, in the presence of a catalyst, said metal compound with said polyhydroxy compound to thereby form a solid zinc-containing material;
- wherein said catalyst is an acid, or a salt thereof.
1 more element
Dependencies are inferred from the claim text.