Macroemulsions
CA 1262235 C · Owner: Schulze, Hans · Inventors: Goossens, John W.S.; Niessen, Heinz J.; Wirth, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to new macroemulsions which contain, -0.001 to 60 per cent by weight of at least one active compound from the class comprising the phosphates and/or carbamates, - 0 to 50 per cent by weight of aromatic diluents - 0.001 to 20 per cent by weight of polyvinyl alcohol having a mean molecular weight of between 5,000 and 150,000 and a content of acetate groups of between 2 and 30 mol %, and/or, - 0.001 to 20 per cent by weight of a nonylphenol/propylene oxide/ethylene oxide adduct of the formula (I), in which, X represents integers from 10 to 50 and Y represents integers from 15 to 65, and/or - 0.001 to 20 per cent by weight of ethylene oxide/propylene oxide/ethylene …
Read the whole patent
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 October 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 10, 2006.
- 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.