High performance hot melt adhesive backsizing compositions and carpet made therewith
CA 1062829 A · Owner: E.I. Du Pont De Nemours And Company · Inventors: Smedberg, George E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hot melt backsize compositions having high tensile elongation which result in tufted carpets having improved tuft bind comprise a blend of ethylene/vinyl ester copolymer, hydrocarbon resin, and optionally, low molecular weight polyethylene paraffin wax, anti-, oxidant and filler.
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 September 18, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 18, 1996.
- 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.