Patent Yard Sign in
Expired Canadian patentCanada

Hard cheese from milk concentrate

CA 1248815 A · Owner: Commonwealth Of Australia (The) · Inventors: Freeman, Norman H.; Van Leeuwen, Hendrikus J.; Jameson, Graeme W.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A process for the production of cheese curd suitable for conversion into natural hard cheese. The process comprises (i) concentrating milk by UF to produce a retentate having a CF of 2-8 and reducing the lactose level to 1-6.2% w/w by diafiltration; (ii) ripening the retentate to produce a pH drop of 0.05-1.5 pH units; (iii) coagulating the retentate; (iv) cutting the coagulum at a time between 120% and 220% of the coagulation time without disruption of the coagulum structure; (v) cooking the coagulum to 30-50°C and holding the cooked coagulum until a suitable curd is produced, said cooking and holding being such that there is no damage to the coagulum fusion is avoided, and syneresis is …

Read the whole patent

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 17, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 4, 1983
GrantedJanuary 17, 1989
Term endedJanuary 17, 2006
Patent numberCA 1248815 A
Classification (IPC)A23C19/02 +2 more

Timeline

Timeline From CIPO dates

19841987199019931996199920022005Application filedOct 4, 1983Patent grantedJan 17, 1989Term endedJan 17, 2006

Sources & verification

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