Lysocellin solids purification process
CA 1325630 C · Owner: Pitman-Moore, Inc. · Inventors: Levi, M. James; Chu, Alexander H. T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for purifying lysocellin which comprises mixing lysocellin solids with sufficient halogen acid to convert fatty acid ester salt impurities into water-soluble metal halogen salts and water-insoluble free fatty acids and to convert lysocellin salts into water-soluble metal halogen salts and water-insoluble lysocellin acid separating the, halogen salts from the lysccellin acid and fatty acid solids mixing the lysocellin acid and fatty acid solids with sufficient caustic reagent to convert free fatty acids into water-soluble alkali metal salts and to convert lysocellin acid into a water-insoluble alkali metal lysocellin salts and, separating the water-soluble fatty acid alkali metal …
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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 December 28, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 28, 2010.
- 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.