Patent · US Expired

Process for treating aqueous suspension

US4784776A · kind A · utility

6Cited by
6References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 19, 1986
Grant dateNov 15, 1988
Priority date
Expiry dateSep 19, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L61/28
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Blends of formaldehyde-based aminoplast resins and water-soluble amines are employed in the purifications of aqueous liquids which contain suspended matter.

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