Stable water-in-oil emulsions
CA 1249385 A · Owner: S.N.F. · Inventors: Shultes, Benjamin, Iii; Becker, Larry W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure, This invention relates to a stable water-in-oil emulsion which contains a water soluble vinyl addition of polymers or copolymers. One or more water soluble water-in-oil emulsifying agents containing a surfactant and system which comprises a mixture of one or more hydrophillic surfactants.
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 January 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 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.