Patent · US Expired

Conditioning agent for froth flotation of fine coal

US4196092A · kind A · utility

10Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1978
Grant dateApr 1, 1980
Priority date
Expiry dateApr 17, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S516/04
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A conditioning agent comprising a frother and a bis(alkyl)ester of a sulfosuccinic acid salt provides high coal recovery with reduced ash content.

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