Non-staling gum composition and method of preparation
CA 1205666 A · Owner: Warner-Lambert Company · Inventors: Yang, Robert K.; Rieger, Martin M.
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 gum composition exhibiting improved shelf life and resistance to staling that comprises, a substantially anhydrous mixture of a gum base at least, one sugar alcohol, and glycerin the glycerin present in an, amount ranging from about 8% to about 18% by weight of the composition. The gum composition preferably contains no more than 2% by weight of water. The invention includes a method for preparing the gum composition, comprising treating the ingredients thereof, including the glycerin to remove, substantially all water therefrom thereafter combining the, sugar alcohol with the glycerin under agitation and at an elevated temperature, and adding subsequently …
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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
- Granted June 10, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 2003.
- 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.