Process for isolating microbial polysaccharides from their fatty amine adducts
CA 1204400 A · Owner: Hoechst Aktiengesellschaft · Inventors: Schlingmann, Merten; Fischer, Edgar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Microbial polysaccharides can be liberated from their fatty amine adducts by treating these adducts in the presence of an alcohol with such a salt of ammonia or of a highly volatile amine which is soluble in this alcohol or thermally readily dissociated. It is preferable to use alcohols which have a boiling point under atmospheric pressure of up to about 100°C, and salts of ammonia or of an amine which has a boiling point of less than 150°C under atmospheric pressure.
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 13, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 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.