PROCESS FOR THE PRODUCTION OF .beta.-HYDROXYPROPIONIC ACID AMIDE
CA 1238344 A · Owner: Chemische Fabrik Stockhausen G.M.B.H. · Inventors: Reinelt, Peter; Brehm, Helmut; Dahmen, Kurt
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 beta-hydroxypropionic acid amide by conversion of acrylonitrile with water, with the use of Raney metals and/or metallic compounds as heterogenous catalysts at pH values of 11.8 to 13.5, and at reaction temperatures between 20°C and 200°C.
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 June 21, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 21, 2005.
- 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.