Emulsion compositions
CA 2357040 A1 · Owner: The Lubrizol Corporation · Inventors: Bush, James H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Emulsion compositions comprise an aqueous phase an organic phase, and an , emulsifying amount of an emulsifier composition comprising: the reaction product of an amine (C) characterized by the presence within its structure of at least one H-N group and an intermediate formed in the reaction of (A) at least one olefinic compound containing at least one group of formula (I) and (B) at least one carboxylic reactant selected from the group consisting of compounds of the formula (III) R3C(O)(R4)nC(O)OR5 wherein each of R3 and R5 is independently H or a hydrocarbyl group R4 is a divalent hydrocarbylene group, and n is 0 or 1 and reactive sources thereof and optionally from about 0,5 , to …
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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
- Filed December 15, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 15, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 15, 2021.
- 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.