Patent · US Expired

Metal sequestering method

US4107064A · kind A · utility

4Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 15, 1977
Grant dateAug 15, 1978
Priority date—
Expiry dateAug 15, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F5/10
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method for sequestering metal ions using .alpha.,.alpha.'-carboxyalkoxy succinic acid or salts thereof in combination with a surfactant. SP PAC CROSS-REFERENCE TO RELATED APPLICATIONS This application is a division of application Ser. No. 682,320, filed May 3, 1976, now U.S. Pat. No. 4,066,687, which is a division of application Ser. No. 385,545, filed Aug. 3, 1973, now U.S. Pat. No. 3,980,578, which in turn is a continuation-in-part of application Ser. No. 153,816, filed June 16, 1971, now U.S. Pat. No. 3,784,486.

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