Natural red pigments and foods and food materials contaiing the pigments
CA 2472339 A1 · Owner: Numata, Masahiro · Inventors: Numata, Masahiro; Wakamatsu, Junichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is found out that natural red pigments can be obtained from hemoglobin and myoglobin derivatives having zinc protoporphyrin as the metalloporphyrin moiety. By using these natural red pigments in producing cattle meat products whale meat products, fish meat products and fish paste products products , being stable against oxidation and having a favorable color tone can be obtained without resort to any coloring agents such as nitrous acid salts.
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 January 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 30, 2025.
- 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.