An improved process for manufacturing wax-free chewing gums with fast set-up times
CA 2130574 C · Owner: Reed, Michael A. · Inventors: Laughlin, Kenneth W.; Synosky, Steven P.; Reed, Michael A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of rapidly producing a final wax-free chewing gum product is disclosed. The chewing gum is made using a chewing gum base which is devoid or substantially free of wax. The gum base includes about 20 to about 60 weight per cent synthetic elastomer, 0 to about 30 weight per cent natural elastomer about 5 to about , 55 weight per cent elastomer plasticizer about 4 to, about 40 weight per cent filler about 5 to about 40 weight per cent softener and optional minor amounts of miscellaneous ingredients such as colors, antioxidants, etc. Chewing gum compositions are provided which compositions temper rapidly in production and which chewing gums provide an initial soft bite but still are …
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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 2, 1993 and granted May 7, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 2, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 2, 2015.
- 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.