Patent · US Expired

Method for coalescence

US4888117A · kind A · utility

48Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 1988
Grant dateDec 19, 1989
Priority date
Expiry dateMay 19, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/05
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method of coalescence involves the use of a coalescer element consisting essentially of or comprising a sintered polymeric media having a fine porous structure. Suitable polymers include thermoplastics or thermosetting resins. The element is suitable for de-oiling oily water and dewatering crude oil.

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