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Expired Canadian patentCanada

PROCESS FOR OBTAINING CONCENTRATES HAVING A HIGH .alpha.-LACTALBUMIN CONTENT FROM WHEY

CA 1307075 C · Owner: Bottomley, Robin C. · Inventors: Bottomley, Robin C.

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Abstract From the Canadian patent

13-, ABSTRACT, "PROCESS FOR OBTAINING CONCENTRATES HAVING A HIGH .alpha.-LACTALBUMIN CONTENT FROM WHEY" The invention is concerned with a process for producing an .alpha.-lactalbumin- enhanced fraction from a liquid containing whey protein including .alpha.-lactalbumin and .beta.-lactoglobulin characterised by the step of subjecting the said liquid to ultrafiltration using a membrane having a molecular weight cut off of substantially 100,000. ........................................................

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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 September 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.
FiledSeptember 29, 1988
GrantedSeptember 1, 1992
Term endedSeptember 1, 2009
Patent numberCA 1307075 C
Classification (IPC)A23J1/20 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedSep 29, 1988Patent grantedSep 1, 1992Term endedSep 1, 2009

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