Patent · US Expired

Apparatus for continuous polymer filtration

US4511472A · kind A · utility

16Cited by
8References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 30, 1983
Grant dateApr 16, 1985
Priority date
Expiry dateMar 30, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86871
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A polymer filtration system comprises plural passages each having therein a filter selectively removable for cleaning and replacement. A single valve controls the closing off of the passages from an inlet to the filters, and check valves in each of the passages downstream of the filters prevent backflow. By adapting the system to permit simultaneous flow in plural passages between filter changes, the filters may be changed in staggered sequence at intervals chosen to attain optimum system performance.

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