Patent Yard Sign in
Expired Canadian patentCanada

Mixing and reaction chamber for liquid decontamination

CA 1191628 A · Owner: Precipitator Corporation · Inventors: Alexander, John A.; Lindman, William E.

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

Mixing and Reaction Chamber, for Liquid Decontamination Abstract:, A mixing and reaction chamber particularly suitable for effecting selective, stepwise treatment, of a flowable, contaminated body of liquid therein said chamber having multiple inlet means with conduit coupling means for flow coupling respectively to acidic and alkaline reagent supply sources and for introduction of said body of liquid into the chamber in which the chamber C has a conical body portion (174) formed of downwardly tapering, internally smooth walls terminat-, ing in a lower apical region (127) having selective flow control and dual outlet means (130 131, 128) for, separately withdrawing from the contained body …

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 August 6, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 6, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 15, 1982
GrantedAugust 6, 1985
Term endedAugust 6, 2002
Patent numberCA 1191628 A
Classification (IPC)C02F9/00

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedApril 15, 1982Patent grantedAug 6, 1985Term endedAug 6, 2002

Sources & verification

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