Expired Canadian patentCanada
Method for cultivating insect cells
CA 1204688 A · Owner: Hoechst Aktiengesellschaft · Inventors: Roder, Anton
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the disclosure: Cultivation and reproduction of insect cells in a nutrient medium in which fetal calf serum is partially or completely replaced by egg yolk.
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 20, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 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.
FiledDecember 18, 1981
GrantedMay 20, 1986
Term endedMay 20, 2003
Patent numberCA 1204688 A
Classification (IPC)C12N5/00 +2 more
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.