Process for reducing dust in fibrillated yarn
CA 1081414 A · Owner: Akzona Incorporated · Inventors: Gustafson, Kenneth C.; Chastain, Edward L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The process of reducing dust particles formed in the fibrillation of tape yarns of synthetic material by applying a sufficient amount of heat to the fibrillated tape yarn to cause said synthetic dust particles to fuse into said tape yarn.
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 July 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 1997.
- 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.