Biodegradable chewing gum and method of manufacturing such chewing gum
CA 2440085 A1 · Owner: Andersen, Lone · Inventors: Storey, Robson; Wittorff, Helle; Andersen, Lone
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a chewing gum comprising gum base sweetener and , flavor, wherein at least a part of said gum base comprises at least one biodegradable polymer, where then tan(delta) is at least 0.6 within the linear viscoelastic region (LVR) of the chewing gum. According to the invention it , has been recognized that the texture may be referred to measurable rheological properties of the final chewing gum. Furthermore it has been realized that , biodegradable polymers may be adjusted towards desired rheological properties by means of so-called plasticizers, even if the chewing gum is made on the basis of biodegradable polymers, which as from the beginning does not meet , …
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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 March 25, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 25, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 2024.
- 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.