Granular colorant and formula feed containing the same
CA 2117537 A1 · Owner: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha · Inventors: Imamura, Shiro; Kizaki, Noriyuki; Kobayashi, Hiroki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A granular colorant produced by mixing an astaxanthincontaining extract from Phaffia rhodozyma yeast with a coating medium and granulating and drying the formed mixture. The colorant has a high astaxanthin content can be, homogeneously dispersed (or is freely flowable) does not, cause dusting, and is excellent in stability.
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 December 22, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 22, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 22, 2015.
- 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.