Process for the preparation of cold setting flexible polyurethane moldedfoams
CA 1309803 C · Owner: Bayer Aktiengesellschaft · Inventors: Kogelnik, Hans-Joachim; Wolf, Klaus-Dieter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Mo-3045, LeA 25,199, PROCESS FOR THE PREPARATION OF COLD SETTING FLEXIBLE POLYURETHANE MOLDED FOAMS, ABSTRACT OF THE DISCLOSURE The present invention is directed to a process for the preparation of cold setting, flexible polyurethane, molded foams in a closed mold by reacting a polyisocyanate with a high molecular weight polyol in the presence of about 5 to 15, preferably about 6 to 12 parts by weight of water, based on the weight of the high molecular weight polyol at an isocyanate index below 70. Mo-3045
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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 November 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 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.