Expired Canadian patentCanada
Dental impression material
CA 1302659 C · Owner: Gribi, Hans-Peter K. · Inventors: Gribi, Hans-Peter K.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dental impression composition comprising alginate material and biocidal component . A method for reducing microorganism contamination in alginate dental impressions comprising preparing a mixture comprising alginate, water and biocide.
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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 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.
FiledAugust 17, 1987
GrantedJune 9, 1992
Term endedJune 9, 2009
Patent numberCA 1302659 C
Classification (IPC)A61K6/90
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.