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Expired Canadian patentCanada

Filled resinous thermosettable liquids containing titanate salts

CA 1093237 A · Owner: Kenrich Petrochemicals, Inc. · Inventors: Monte, Salvatore J.; Sugerman, Gerald

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Abstract From the Canadian patent

of Disclosure, This invention relates to the use of certain organo-titanium salts for use with fillers for the preparation of epoxy resins and other liquid thermosetting resins; the resulting filled resin compositions; and compositions of such salts and such liquid resins. The organo-titanate salts of the invention may be represented by the formulas:, I (RO)zTi(A)x(OAr)y II ROTi(OAr)3, where R is a monovalent alkyl alkenyl, alkynyl or, aralkyl group having from 1 to about 30 carbon atoms or a substituted derivative thereof; A is a monovalent thioaryloxy, sulfonyl, sulfinyl, diester pyrophosphate diester phosphate or a substituted derivative thereof; OAr is aroxy or a substituted derivative …

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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 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 6, 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.
FiledDecember 15, 1976
GrantedJanuary 6, 1981
Term endedJanuary 6, 1998
Patent numberCA 1093237 A
Classification (IPC)C08K5/00 +2 more

Timeline

Timeline From CIPO dates

19771980198319861989199219951998Application filedDec 15, 1976Patent grantedJan 6, 1981Term endedJan 6, 1998

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