Expired Canadian patentCanada
Imprinting process for sweetening chewing gum with an l-aspartic acid sweetening derivative and products of improved sweetness stability obtained thereby
CA 1235017 A · Owner: Nabisco Brands, Inc. · Inventors: Rosa, Donna M.; Puglia, Wayne J.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The sweetness of a chewing gum containing aspartame is stabilized by applying the aspartame into indentations made in the chewing gum surface.
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
- Granted April 12, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 12, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 28, 1984
GrantedApril 12, 1988
Term endedApril 12, 2005
Patent numberCA 1235017 A
Classification (IPC)A23G4/00 +1 more
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.