Patent · US Expired

Humate utilization techniques

US4248640A · kind A · utility

0Cited by
3References
7Claims
0Family size

Inventor

Key dates

Filing dateSep 6, 1979
Grant dateFeb 3, 1981
Priority date
Expiry dateSep 6, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/91
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Humate is utilized by drying the humate which results as a waste product and then mixing it with coal so that it can be burned to result in an ash residue which in turn is mixed with conventional dry cement ingredients for use as cement.

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