Patent Yard Sign in
Expired Canadian patentCanada

System for preventing oil droplet size reduction

CA 1332578 C · Owner: Amoco Corporation · Inventors: Young, Grant A.; Wakley, William D.

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 system is disclosed for preventing oil droplet size reduction when introducing an oil/water stream into an oil-from-water separation unit. The system includes a conduit extending from a source of the oil/water stream to an inlet of the oil-from-water separation unit which can, be one or more hydrocyclone separators centrifuges, set-, tling tanks and the like. A throttling device is operatively connected to the conduit for regulating the quantity of the oil/water stream passing therethrough. The throttling device eliminates the shearing of the fluid, thereby preventing oil droplet size reduction. The throttling device can include a progressive cavity motor with a rotation control mechanism …

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 October 18, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 18, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 30, 1989
GrantedOctober 18, 1994
Term endedOctober 18, 2011
Patent numberCA 1332578 C
Classification (IPC)B01D17/03 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedAug 30, 1989Patent grantedOct 18, 1994Term endedOct 18, 2011

Sources & verification

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