Patent Yard Sign in
Expired Canadian patentCanada

Device and method for separating individual fluids from a mixture of fluids

CA 1304008 C · Owner: The Dow Chemical Company · Inventors: Johnson, Homer K.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A device and method is disclosed for separating individual fluids (particularly gases) from a stream that contains more than one fluid. The separator device is made up of a bundle of hollow fibers which, are fastened at each end into a resin tubesheet. The fiber bundle is enclosed in a casing and in the center of the bundle is a perforated, distributor tube. The pressure load on one tubesheet is carried by a movable flange in contact with the tubesheet. At the other end of the separator the pressure load is carried by a stationary flange that seats against the tubesheet. Pressurized fluid directed into the distributor tube flows into the fiber bundle. The permeate fluids pass through the …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 1, 1987
GrantedJune 23, 1992
Term endedJune 23, 2009
Patent numberCA 1304008 C
Classification (IPC)B01D63/02 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedSep 1, 1987Patent grantedJune 23, 1992Term endedJune 23, 2009

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.