Synergistic surfactant compositions
CA 1307438 C · Owner: Petroff, Lenin J. · Inventors: Petroff, Lenin J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A synergistic surfactant composition comprising an alkylbenzenesulfonate anionic surfactant and at least one organic zwitterionic functional silicone surfactant represented by the formula, Me3SiOSiMe2OxSiMer1OySiMe3 and wherein R1 = CH2CH2CH2N+(R2)2(CH2)zSO?; R = methyl or ethyl; x = 0-3; y = 1-2 and z = 3-4. The particular zwitterionic surfactants are represented by the following formulas: (Me3SiO2Si(Me)(CH2)3N+Me2(CH2)3SO? and,
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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 September 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 2009.
- 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.