Concentrated aqueous metal aldonate and/or ammonium aldonate composition
CA 1160536 A · Owner: Akzo N.V. · Inventors: Torenbeek, Reinder; Havinga, Reginoldus; Schreurs, Petrus H.M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a concentrated aqueous composition of metal aldonate and/or ammonium aldonate. Part of the aldonate is present in the dissolved and part of it in the suspended state. It is preferred that the aldonate should be sodium gluconate. The composition should contain a colloidally dissolved gum as suspending agent. Very suitable for this purpose are carboxyl groups containing gums especially xanthan gum. In this manner stable compositions, having a high aldonate content can be obtained. The present compositions may be used for many purposes for instance, in the processes of cleaning bottles metal surfaces, etch-, ing of aluminium and in certain galvanizing processes …
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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 January 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2001.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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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.