Sqs gene
CA 2498800 C · Owner: Setoguchi, Yutaka · Inventors: Ojima, Kazuyuki; Hoshino, Tatsuo; Setoguchi, Yutaka
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 gene useful in a process to increase the microbial production of carotenoids. The carotenoids astaxanthin is distributed in a wide variety of organisms such as animals algae and , microorganisms. It has a strong antioxidation property against reactive oxygen species. Astaxanthin is used as a coloring reagent especially in the industry , of farmed fish such as salmon, because astaxanthin imparts distinctive orangered coloration to the animals and contributes to consumer appeal in the marketplace.
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 September 23, 2003 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 23, 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.