Polyether polyols modified with amino alcohol-epoxy resin adducts
CA 1261878 A · Owner: The Dow Chemical Company · Inventors: Cuscurida, Michael; Waddill, Harold G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
POLYETHER POLYOLS MODIFIED WITH, AMINO ALCOHOL - EPOXY RESIN ADDUCTS (D#80,466-F), ABSTRACT OF THE DISCLOSURE Polyether polyols are modified by reaction with alkylene oxides and amino alcohol-epoxy resin adducts. The adducts are the reaction product of an epoxy resin and amino alcohol of the formula:, wherein: x ranges from 1 to 4 y ranges from 1 to 40, and, R is an alkyl of from 1 to 4 carbon atoms. These polyether polyols are used to prepare flexible polyurethane foams. RAM, pg:EX7E/t
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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 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.