Process for producing flavored pharmaceutical preparation for oral administration
CA 2031206 A1 · Owner: Makabe, Eri · Inventors: Makabe, Eri; Koyama, Ikuo; Ozawa, Yasuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a process for producing a flavored pharmaceutical preparation for oral administraiton and more particularly to a process for producing a flavored pharmaceutical preparation for oral administration, characterized by spraying in a moistened, and heated air, a suspension of a drug or drug-containing particles dispersed in a cold water solution of polyvinyl acetal diethylaminoacetate, and drying the resulting fine particles. Therefore, the present invention has made it possible to provide a process for producing at a high, yield, a flavored pharmaceutical preparation for oral administration wherein the uncomfortable taste of a drug contained therein is well …
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
- Filed April 17, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 17, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 2012.
- 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.