Monofilaments, process for the preparation thereof and fabrics thereof
CA 1330673 C · Owner: Shakespeare Company · Inventors: Ballard, Larry E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A blend of two resins forming a novel monofilament comprises from about 50 to 95 parts by weight of a linear polyphenylene sulfide and, from about 5 to 50 parts by weight of a melt extrudable copolymer consisting essentially of an olefin and a halogenated monomer. The monofilament is prepared by extruding a mixture of the linear poly phenylene sulfide and the melt extrudable copolymer to form a monofilament and thereafter drawing the monofilament to a ratio of from about 3.5:1 to 6.0:1. The filament can be employed for the manufacture of fabric.
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 12, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 12, 2011.
- 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.