Heat shrinkable fibres and products therefrom
CA 1321064 C · Owner: Varney, Gordon J. · Inventors: Varney, Gordon J.; Campbell, Frederick S.; Petterson, Dewitt R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a composition of matter having a fibre structure incorporating a major proportion of heat shrinkable fibres, the structure includes within it discreet fibre groupings which serve to provide structural elements within the composition. The composition of the invention is capable of being formed to provide shaped products. A particular aspect of the invention relates to compositions comprising flame retardant fibres typically polyamide fibres which enables the production of flame retardant compositions. The density of the structures can be controlled as can the rigidity thereof.
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 August 10, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 10, 2010.
- 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.