Titanic acid ester-containing binder for coating materials and refractory shaped bodies as well as process for the production of these binders
CA 1211884 A · Owner: Barfurth, Dieter · Inventors: Nestler, Heinz; Barfurth, Dieter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is concerned with binders for coating material which can be employed for foundry moulds. The new binders contain polymeric titanic acid esters known as such which are chelated by means of chelating means. .beta.-dioxo compounds are preferably employed as chelating means. The chelating means are present in amounts between 0.2 and 1 mole per titanium atom in the binder. The new binders can be produced in simple manner from titanic acid esters, water and the chelating means with the amount, of water being chosen to correspond to the desired degree of condensation of the polymeric titanic acid ester.
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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 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 2003.
- 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
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.