Patent · US Expired

Ore flotation and flotation agents for use therein

US4554068A · kind A · utility

5Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 1984
Grant dateNov 19, 1985
Priority date
Expiry dateDec 13, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03D2203/02
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Carboxyalkyl dithiocarbamates which can be characterized by the formula ##STR1## wherein R is selected from the group consisting of alkylene radicals, wherein R' is selected from the group consisting of hydrogen and methyl and ethyl radicals, and wherein X is selected from the group consisting of alkali metal atoms, their use as ore flotation suppressants, and a process for making these novel compositions are disclosed.

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