Process for preparing wet spun proteinaceous filaments
CA 1048726 A · Owner: Miles Laboratories, Inc. · Inventors: Sternberg, Moshe M.; Kim, Chong Y.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Wet spun proteinaceous filaments are prepared from pulverized, functional defatted leguminous materials having a protein content of about 45 to about 55 percent by, forming an aqueous slurry thereof to extract proteins and carbohydrates, precipitating the protein onto and into the insoluble portion of the leguminous material separating, the solids from the liquid portion of the slurry forming, an aqueous alkaline spinning dope with the separated solids and forcing the spinning dope through a spinneret into an acid and salt coagulating bath to form proteinaceous filaments.
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 February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- 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.