Aqueous based fire foam compositions containing hydrocarbyl sulfide terminated oligomer stabilizers
CA 1197976 A · Owner: Ciba Specialty Chemicals Holding Inc. · Inventors: Kleiner, Edward K.; Falk, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
61-13737/CGC 966/+, Aqueous Based Fire Foam Compositions Containing Hydrocarbyl Sulfide Terminated Oligomer Stabilizers Abstract of the Disclosure, This invention relates to aqueous based fire fighting foams containing a stabilizing amount of an oligomer of the formula R1-E-S(O)nM1xM2yM3zH, wherein R1 is an oleophilic aryl araliphatic, aliphatic or cyclo-, aliphatic group having up to 25 carbon atoms; E is a direct bond or an organic covalently bonded divalent linking group n is 0, l, or 2, M1 is a hydrophilic acrylamido monomer unit M2 is a, copolymerizable non-acrylamido hydrophilic monomer unit M3 is, a copolymerizable hydrophobic monomer unit the average of the sum, of x, y and z is …
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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 December 17, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 17, 2002.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.