High temperature copolyester monofilaments with enhanced knot tenacity for dryer fabrics
CA 2087477 A1 · Owner: Gardner, Jennifer A. · Inventors: Diaz-Kotti, Michelle A.; Gardner, Jennifer A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high temperature copolyester monofilament exhibits enhanced knot tenacity and is formed from the extrusion of a polymer blend of a copolyester resin and a fluoropolymer resin. Additives such as thermal stabilizers may be added tothe polymer blend. The polymer blend may be extruded in the presence of other additives such as a hydrolytic stabilizer. The monofilament exhibits a higher average knot tenacity, a higher minimum knot tenacity a narrower knot tenacity range and, lower standard deviation as compared to standard high temperature copolyester monofilaments. A dryer fabric comprises a plurality of woven copolyester monofilaments having enhanced knot tenacity the monofilaments …
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
- Filed January 18, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 2015.
- 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.