Patent · US Expired

Polymeric materials

US5475123A · kind A · utility

7Cited by
2References
15Claims
0Family size

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Inventor

Key dates

Filing dateMay 27, 1993
Grant dateDec 12, 1995
Priority date
Expiry dateMay 27, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C29/70
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.