Patent · US Expired

Telomeric compound

US5073299A · kind A · utility

14Cited by
6References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 19, 1989
Grant dateDec 17, 1991
Priority date
Expiry dateSep 19, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/4006
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds having the formula I: ##STR1## wherein M.sub.1, M.sub.2, M.sub.3 , independently, are hydrogen, C.sub.1 -C.sub.4 alkkyl, phenyl, a monovalent or an equivalent of a polyvalent metal atom, ammonium or a substituted ammonium ion; R.sub.1 is C.sub.1 -C.sub.4 alkyl substituted by one or more hydroxy or carboxyl groups; and p is an integer. The new compounds are useful in the treatment of aqueous systems, in particular to inhibit scale deposition from aqueous systems.

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