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Expired Canadian patentCanada

Heat activated silicon-based adhesive

CA 1319216 C · Owner: Rende, Anthony V. Jr. · Inventors: Rende, Anthony V. Jr.

CIPO record

Overview

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

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Abstract From the Canadian patent

Adhesive compositions affording strong bonds of high environmental resistance between elastomers and substrates such as metals are provided. The adhesive compositions comprise an admixture of i) olefinic organosilane, ii) water, and iii) an alumino zirconium metallo-organic complex of chelated aluminum moiety an organofunctional ligand and zirconium oxyhalide. The adhesive composition preferably includes a polymer resin selected from phenolic-formaldehyde resins, urea-formaldehyde resins, resorcinolformaldehyde resins or melamine-formaldehyde resins.

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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 June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 16, 1987
GrantedJune 15, 1993
Term endedJune 15, 2010
Patent numberCA 1319216 C
Classification (IPC)C09J183/08 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 16, 1987Patent grantedJune 15, 1993Term endedJune 15, 2010

Sources & verification

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