Modified starch film compositions
CA 2344292 A1 · Owner: Cade, Dominique · Inventors: Cade, Dominique; Scott, Robert Anthony; He, Xiongwei
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns compositions from modified starches such as starch , ethers or oxidized starch more particularly hydroxypropylated starch (HPS) or hydroxylethylated starch (HES) for the use in pharmaceutical veterinary, food, cosmetic or other products like films for wrapping food aspics or , jellies, preferably for predosed formulations like soft or hard capsules. The hard capsules obtained by the present invention with a conventional dipping molding process are similar to hard gelatine capsules (HGC).
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 August 11, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 11, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 11, 2021.
- 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.