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Expired Canadian patentCanada

Adsorber-regenerator

CA 1093479 A · Owner: Baierl, Kenneth W. Sr. · Inventors: Baierl, Kenneth W. Sr.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An adsorption-regeneration column section is provided for treating a fluid effluent. A column section has means which do not contact the adsorbent, for feeding an effluent into the column section and a means for uniformly distributing the effluent across the column diameter at the inlet thereof. An adsorbent is supported within the column section and occupies less than the entire column section. The column section is further provided with means for removably connecting a second column section with said column section along a single vertical axis without substantially restricting the flow path of the effluent. When two of the column sections are joined each having adsorbent therein, a …

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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 January 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 13, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 21, 1978
GrantedJanuary 13, 1981
Term endedJanuary 13, 1998
Patent numberCA 1093479 A
Classification (IPC)B01D53/04

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJuly 21, 1978Patent grantedJan 13, 1981Term endedJan 13, 1998

Sources & verification

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