Methods of reducing the growth of cellulose-backed flooring products and the resulting cellulose-backed flooring products
CA 1088411 A · Owner: Congoleum Corporation · Inventors: Powell, William H.; Winters, Donald C.; Haemer, Laurence F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of inhibiting or reducing the undesirable growth properties of a resilient flooring product having a fibrous cellulosic backing which comprises: substantially uniformly incorporating in the fibrous cellulosic backing of a resilient flooring product from about 0.05% by weight to about 4% by weight, based on the weight of the fibrous cellulosic backing, of a growth inhibitor from the group consisting of alums, aluminum sulfate, and mixtures thereof and installing the, resilient flooring product on a surface coated with a water-based adhesive while the fibrous cellulosic backing contains such percentages of the growth inhibitor, whereby undesirable growth swelling, buckling, or the …
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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 October 28, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 28, 1997.
- 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.