Process for lubricating water-soluble vitamin powders
CA 1279574 C · Owner: Finnan, Jeffrey L. · Inventors: Lisa, Rudolph E.; Wisniach, Joseph T.; Finnan, Jeffrey L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, The subject invention relates to a process for preparing lubricated water-soluble vitamin powders. The water-soluble vitamin powders are lubricated by combining them with a lubricant at a temperature sufficient to melt the lubricant. The powders are directly compressible into tablets and are resistant to demixing.
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 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.