Patent · US Expired

Novel compositions of matter for use in the treatment of aqueous systems

US4111804A · kind A · utility

3Cited by
9References
12Claims
0Family size

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Key dates

Filing dateJul 20, 1976
Grant dateSep 5, 1978
Priority date
Expiry dateJul 20, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2/38
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A method of inhibiting scale formation by salts of calcium, magnesium, barium and strontium from aqueous solutions, by adding to the aqueous solution a minor proportion of a product comprising a telomer of formula I: ##STR1## or a salt thereof, wherein X is CO.sub.2 H when Y is H and vice versa, B and B' are each hydrogen or B is CH.sub.3 when B' is H or vice versa, m is an integer from 2 to 100 and n is 0 or 1, R is an hydroxyl group, alkyl having from 1-22 carbon atoms substituted by one or more carboxyl groups.

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