Patent · US Expired

Method of treating waste liquors containing phenolics and formaldehyde

US4505821A · kind A · utility

3Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 21, 1984
Grant dateMar 19, 1985
Priority date
Expiry dateMay 21, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/911
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

Waste liquors containing phenolics and formaldehyde can quickly and economically be treated by a microorganism of genus Trichosporon to prevent water pollution.

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