Expired Canadian patentCanada
Process for producing stable emulsions of cross-linkage highly viscose organopolysiloxanes
CA 984075 A · Owner: Chemische Fabrik Pfersee G.M.B.H. · Inventors: Deiner, Hans
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordRead 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 February 17, 1976. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 17, 1993.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedFebruary 17, 1976
Term endedFebruary 17, 1993
Patent numberCA 984075 A
Classification (IPC)C08L83/04 +2 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.