Patent · US Expired

Transport of aqueous coal slurries

US4242098A · kind A · utility

51Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 3, 1978
Grant dateDec 30, 1980
Priority date
Expiry dateJul 3, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/0391
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Compositions containing small amounts of named water soluble polymers in an aqueous coal slurry permit the extrusion, pumping and transport of higher solids content aqueous coal slurries.

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