Expired Canadian patentCanada
Alpha adrenergic amine of substantial alpha -adrenergic amine activity as an antiperspirant
CA 1305066 C · Owner: Rafft, Ronald Robert · Inventors: Helman, Michael David; Rafft, Ronald Robert
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure, An antiperspirant process and composition wherein the active antiperspirant ingredient is an alpha adrenergic amine that has at least a substantial alpha2 adrenergic amine activity component.
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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 July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 3, 1987
GrantedJuly 14, 1992
Term endedJuly 14, 2009
Patent numberCA 1305066 C
Classification (IPC)A61K8/49 +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.