Methods and compositions for imparting stain resistance to nylon materials
CA 2595867 C · Owner: Shaw Industries Group, Inc. · Inventors: Jones, Dennis J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides nylon 6 and nylon 6,6 materials having resistance to staining by a wide variety of staining agents including but not , limited to, coffee, red wine mustard, tumeric, Betadine~, bleach, benzoyl peroxide, as well as other types of common staining agents. The invention also provides fibers, yams and carpet products prepared from such stain resistant nylon materials. Yet further, the present invention provides methods of imparting stain resistance to nylon materials. Methods of providing such treated fibers are set forth.
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 23, 2006 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 23, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.