Wallcovering substrate formed of textured, continuous, multi-filament yarns having hydrophilic characteristics
CA 1317705 C · Owner: Unifi, Inc. · Inventors: Whetstone, James H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A textured, continuous, multi-filament polyester yarn has an ethoxylated alkyl aryl alcohol based surfactant incorporated into the interfilamentary structure thereof either during the texturizing process or after the yarn has been made into a gauze-like fabric substrate. The ethoxylated alkyl aryl alcohol based surfactant is characterized in that it is water dispersible and water insoluble; has an HLB scale in the range of 7-10; is compatible with conventional wallpaper glues, is of a viscosity in the range of 50-100 SUS depending on the yarn denier; and has a smoke point greater than 350°F. The yarn so treated is formed into a gauze fabric substrate and affixed …
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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 May 18, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 18, 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.