Process for separating fatty acids from rosin acids
CA 1205066 A · Owner: Uop Inc. · Inventors: Neuzil, Richard W.; Kulprathipanja, Santi; Laughlin, William C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PROCESS FOR SEPARATING FATTY ACIDS FROM ROSIN ACIDS" ABSTRACT, This invention comprises a process for separating a fatty acid from a mixture comprising a fatty acid and a rosin acid which, process comprises contacting the mixture at separation conditions with a molecular sieve comprising silicalite thereby selectively retaining, the fatty acid. The fatty acid may be recovered from the molecular sieve by displacement with a displacement fluid. It is preferred that the displacement fluid comprise a liquid having a minimum polarity index and that the molecular sieve comprise silicalite dispersed in a silica matrix.
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 May 27, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 2003.
- 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.