Emulsifier and a method for its preparation
CA 1278796 C · Owner: Schou, Gudrun · Inventors: Dreyer, Jack Allan; Schou, Herbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A polyglycerol partial fatty acid ester emulsifier comprising polyglycerol which is predominantly mono- and/or diesterified with saturated fatty acid moieties and optionally monomeric glycerol which is predominantly mono- and/or diesterified with saturated fatty acid moieties, in which the fatty acid moieties are selected so that the average number of carbon atoms in the acid moieties is in the range between 13.0 and 16.5, is prepared by reacting a polyglycerol op-, tionally containing monomeric glycerol with a fatty acid or a mixture, of fatty acids or with a fatty acid glyceride or a mixture of fatty acid glycerides, the number of carbon atoms of the fatty acid or of the fatty acid moiety …
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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 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 2008.
- 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.