Method for separating mixtures of paraffin or paraffins with 6-14c-atoms and alcohol or alcohols with 4-8c-atoms
CA 1190175 A · Owner: Chemische Werke Huls Aktiengesellschaft · Inventors: Sridhar, Srinivasan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The separation of homoazeotropic mixtures of a paraffin or paraffins with 6 - 14 C-atoms and an alcohol or alcohols with 4 - 8 C-atoms is carried out in two rectifying steps. In the first step rectification is carried out, in the presence of water as the entraining agent the resulting distillate, being separated after condensation, into two liquid phases. The organic phase thus obtained is rectified, in a further step with no addition of water, and, the top-product which consists of a mixture of alcohol and paraffin is returned, to the first step. The paraffin or paraffins and the alcohol or alcohols are, obtained in the lower part of the relevant rectifying steps. Any water in the initial …
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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 July 9, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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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.