Patent Yard Sign in
Expired Canadian patentCanada

Radio frequency energy sensitized compositions and method for sensitizing compositions to radio frequency energy

CA 1308248 C · Owner: Thorsrud, Agmund K. · Inventors: Thorsrud, Agmund K.

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 composition of enhanced radio frequency sensitivity and a method for providing enhanced radio frequency sensitivity to a composition in which a substance suitable for enhancement of radio frequency sensitivity is admixed with a radio frequency sensitizing amount of zinc oxide (American process) inorganic radio frequency sensitizer treated essentially to remove absorbed water and/or other volatiles. A process for molding using these compositions and the molded product. The composition, method for enhancing radio frequency sensitivity process for, molding and molded product with a polymeric substance particularly ultra, high molecular weight polyethylene as the substance suitable for en-, …

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 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 7, 1985
GrantedOctober 6, 1992
Term endedOctober 6, 2009
Patent numberCA 1308248 C
Classification (IPC)C08K3/32 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedNov 7, 1985Patent grantedOct 6, 1992Term endedOct 6, 2009

Sources & verification

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