Expired Canadian patentCanada
Aqueous solution of alkyltrialkoxy-silanes which is stable in storage
CA 1332175 C · Owner: Hitze, Reiner · Inventors: Hitze, Reiner; Hass, Hans-Jurgen
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Aqueous solutions of alkyltrialkoxy-silanes may be stabilized by the addition of alkali-aluminate and alkalimetal hydroxide.
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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 September 27, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 27, 2011.
- 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 30, 1989
GrantedSeptember 27, 1994
Term endedSeptember 27, 2011
Patent numberCA 1332175 C
Classification (IPC)C07F7/18
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.