Process for the production of derivatives of natural fats and oils
CA 1297895 C · Owner: Chemische Fabrik Stockhausen Gmbh · Inventors: Brehm, Helmut; Stockhausen, Dolf; Klimmek, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a process for the production of derivatives of natural fats and oils that is characterized in that the fats that are solid at room temperature or which contain solid fractions mixtures, of these with free fatty acids mono- and/or diglycerides are oxalkylated at elevated temperatures in the presence of basic catalysts having at least one 1,2-epoxide and the reaction products so obtained optionally, after, epoxidization are sulphonated in a manner known per se. The products are particularly suitable for use as leather fatting and fatliquoring agents.
Read the whole patent
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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 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.