Patent · US Expired

Dispersant and biodegradant formulations for treating hydrocarbon-polluted waters

US4382873A · kind A · utility

18Cited by
4References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 1980
Grant dateMay 10, 1983
Priority date
Expiry dateDec 19, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S516/92
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

Dispersant and biodegradant formulations are manufactured by admixing at least one melamine derivative with at least one compound having a hydroxy function, at least one phosphorus compound and at least one surfactive agent. Aqueous emulsions obtained from these formulations are also provided.

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