Patent Yard Sign in
Expired Canadian patentCanada

Salt block product and method of making and using same

CA 1191288 A · Owner: International Salt Company · Inventors: Heiss, John F.; Kolasinski, Richard

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 salt block product and method of making and using same of a type suitable for use in forming a brine for regenerating and rejuvenating water conditioning ion exchange beds comprising integral block of salt having a stake hole extending inwardly of one surface thereof within which a mass of a water soluble rejuvenating agent is disposed at a position spaced inwardly of the surface of the block, The rejuvenating agent can comprise one or an admixture of additive agents which are adapted to dissolve in the water during the dissolution of the salt block forming a brine containing the additive agent uniformly distributed therethrough. In accordance with a preferred embodiment, a suitable …

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 July 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 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.
FiledJune 14, 1983
GrantedJuly 30, 1985
Term endedJuly 30, 2002
Patent numberCA 1191288 A
Classification (IPC)B01J49/75 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJune 14, 1983Patent grantedJuly 30, 1985Term endedJuly 30, 2002

Sources & verification

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