Expired Canadian patentCanada
Easily splittable conjugate filament
CA 1203656 A · Owner: Monsanto Company · Inventors: Bromley, James E.; Yu, Jing-Peir
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An easily splittable conjugate filament is melt-spun by merging molten sub-streams of incompatible polymers outside the spinneret to form a combined stream then quenching the combined stream to form the conjugate filament.
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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 April 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 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.
FiledMarch 7, 1983
GrantedApril 29, 1986
Term endedApril 29, 2003
Patent numberCA 1203656 A
Classification (IPC)D01D5/32
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.