Chewing gum comprising biodegradable polymers and having accelerated degradability
CA 2550324 A1 · Owner: Jensen, Erik · Inventors: Andersen, Lone; Jensen, Erik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to chewing gum comprising at least one polymer chewing , gum ingredients and enzymes, wherein at least on of said polymers forms a substrate for at least one of said enzymes. According to the invention the degradation of chewing gum comprising a combination of biodegradable polymers and enzymes is accelerated compared to chewing gum without enzymes. By incorporation of enzymes it is possible to obtain a chewing gum which is , relatively fast degrading compared to chewing gum which is exposed to normal , environmental conditions only.
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 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 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.