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Expired Canadian patentCanada

Filler treatments utilizing low voc silanes

CA 2596879 C · Owner: General Electric Company · Inventors: Weller, Keith

CIPO record

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

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Abstract From the Canadian patent

A method for treating filler material includes contacting the filler material with a silane , having the general formula: Y -G(-SiX u Z b v Z c w)srn , wherein each occurrence of G X, Z b, Z c, Y and the subscripts u, v w, s, r , and n are as , described herein and with the proviso that the silane contains at least one occurrence of , Z c, and which upon hydrolysis produces substantially no significant amount of volatile , organic compound and/or the hydrolyzate of the silane to provide a treated filler which , can be incorporated into a matrix to provide a composite body.

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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

  • Filed February 7, 2006 and granted April 14, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 7, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 7, 2006
GrantedApril 14, 2015
Term endedFebruary 7, 2026
Patent numberCA 2596879 C
Classification (IPC)C08K9/06

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 7, 2006Patent grantedApril 14, 2015Term endedFeb 7, 2026

Sources & verification

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