Wetting and anti-foaming agents
CA 1069016 A · Owner: Ciba-Geigy Ag · Inventors: Abel, Heinz; Berger, Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Wetting and anti-foaming agents based on anionic surfactants are provided, which contain (1) 2 to 50 percent by weight of an anionic surfactant 6 to 50 percent by weight of component (2) and optionally (3), said component, (2) being a reaction product which is insoluble or sparingly, soluble in water with a molecular weight of app. 2000 to 7000, of (a1) monohydric to hexahydric alcohols containing 1 to 6 carbon atoms, monoalkyl- or monoalkylolmonoamines or polyalkylenepolyamines, and (a2) 1,2-propylene oxide and component, (3) being a water-insoluble aliphatic monoalcohol of at least 8 carbon atoms, a reaction product of alkylene oxides and a water-insoluble …
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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 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
- 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.