Method for simultaneously drying and granulating extract substances from deproteinized calves blood
CA 1268706 C · Owner: Siegel, Dietmar · Inventors: Siegel, Dietmar; Klug, Otto; Schlunken, Heinrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a fluidized-bed method for simultaneously obtaining the dry matter from aqueous solutions of extract substances from deproteinzed calves blood and producing granules which can be compressed to give solid medicament forms and contain at least 50% by weight of extract substances, relative to the total dry weight of the granules, a binder and pharmaceutically acceptable fillers and carriers, by spraying an aqueous solution of the extract substances and of the binder on to the fillers and carriers and granulating the mixed material at a defined water content in the fluidized bed. After drying granules ready for compression are obtained and they are used for producing …
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 May 8, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 2007.
- 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.