Patent · US Active

Filter units and filtering method

US8241504B2 · kind B2 · utility

0Cited by
4References
16Claims
0Family size

Inventor

Key dates

Filing dateSep 30, 2009
Grant dateAug 14, 2012
Priority date—
Expiry dateOct 27, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2101/32
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A filter unit includes a flexible bag having permeable material on a first side and a second side that allows fluid to pass through the container. Granularized rubber is enclosed within the flexible bag. The granularized rubber filters hydrocarbon products from the fluid.

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