Process for producing water soluble binders for electrodeposition
CA 1058789 A · Owner: Vianova Kunstharz Aktiengesellschaft · Inventors: Dworak, Gert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for preparing and water-soluble binders are described characterized in that diene polymers are completely reacted with alpha beta-ethylenically unsaturated carboxylic acids or derivatives thereof to form an adduct; the carboxyl content of the adduct esterified with a monoalcohol up to a maximum of 70 percent by weight of the carboxyl groups to provide a partially esterified adduct, and 80 to 98 percent by weight of the partially esterified adduct and 2 to 20 percent by weight of a resinous polycarboxylic acid having an acid value of from 150 to 350 mg KOH/g are jointly reacted with an organic or organic base to form a water-soluble salt. The water-soluble binders which are …
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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 July 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 17, 1996.
- 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.