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Expired Canadian patentCanada

Granulation of mg salts of an organic peroxy acid carboxylate by spraying a hydroxylated organic polymer thereon

CA 1190441 A · Owner: Interox Chemicals Limited · Inventors: Millar, Malcolm H.; Hutton, Denis A.

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Abstract From the Canadian patent

In particular compositions it is advantageous to, seek to match the physical properties such as particle size and density of the components and in particular it is desirable to modify the physical properties of magnesium salts of various percarboxylic acid caxboxylates for example particular magnesium monoperoxyphthalate that have been, produced in the processes described in European Patent Specification 27693 and the applicant's Canadian Patent Application Serial No.404,224 filed June 1 1982, for, subsequent incorporation in detergent and/or bleaching compositions. In the present invention granules of the, magnesium salts are obtained by spraying onto agitated feed particles of the salt a …

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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.

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  • Granted July 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 16, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 25, 1982
GrantedJuly 16, 1985
Term endedJuly 16, 2002
Patent numberCA 1190441 A
Classification (IPC)B01J13/02 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedAug 25, 1982Patent grantedJuly 16, 1985Term endedJuly 16, 2002

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