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Expired Canadian patentCanada

Skin tanning agent

CA 1294555 C · Owner: Chemisch Adviesbureau Drs. J.C.P. Schreuder Bv · Inventors: Schreuder, Johannes C.P.

CIPO record

Overview

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Abstract From the Canadian patent

Skin tanning composition, comprising at least the following ingredients:, - an oil fraction comprising straight or branched, paraffinic oils having 10-30 carbon atoms in the, chain and preferably 15-25 carbon atoms - an emulsifying systen, mainly comprising: a) mono and/or diglycerides of higher unsaturated and/or saturated natural fatty acids, and b) ethoxylated glycerides, esterified with fatty acids, whereby the ratio between the amount of mono and/or diglycerides on the one hand and of the ethoxylated triglycerides on the other hand may vary from 10-100 parts mono and/or diglycerides pro part ethoxylated triglycerides, - panthenol and more preferably D-panthenol and, tyrosine and more …

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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 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 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.
FiledJune 12, 1987
GrantedJanuary 21, 1992
Term endedJanuary 21, 2009
Patent numberCA 1294555 C
Classification (IPC)A61Q19/04

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJune 12, 1987Patent grantedJan 21, 1992Term endedJan 21, 2009

Sources & verification

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