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Expired Canadian patentCanada

Method and apparatus for the determination of kinetics of structure formation in a binder

CA 1215118 A · Owner: Proizvodstvennoe Geologicheskoe Obiedinenie Tsentralnykh Raionov "Tsentrgeologia" · Inventors: Lipatov, Nikolai K.; Tatevosian, Ruben A.; Kovalenko, Vitaly I.

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Abstract From the Canadian patent

Abstract of the Disclosure, A method for the determination of kinetics of structure formation in binders comprises applying a voltage to a product made of a binder and recording the electrical conductivity of the product during the process of its structure formation. An apparatus for the determination of kinetics of structure formation in binders comprises an a-c voltage generator connected through a coupling device to the product made of a binder for acting thereupon and to a device for recording the response of the product to this action. The coupling device comprises a pick-up for measuring the electrical conductivity which is installed in the product and connected to the a-c voltage …

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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 December 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 5, 1982
GrantedDecember 9, 1986
Term endedDecember 9, 2003
Patent numberCA 1215118 A
Classification (IPC)G01N27/04 +2 more

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedMarch 5, 1982Patent grantedDec 9, 1986Term endedDec 9, 2003

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