Patent Yard Sign in
Expired Canadian patentCanada

Water dispersible compositions for preparing aqueous water repellent systems, aqueous water repellent systems, and process for treatment of permeable substrates therewith

CA 1249901 A · Owner: Mooney Chemicals, Inc. · Inventors: Hein, Richard W.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Water dispersible compositions containing hydrocarbon wax are described which are useful in preparing aqueous water repellent systems. Aqueous water repellent systems containing a hydrocarbon wax also are described. The water repellent system comprises an aqueous system comprising water, a saturated hydrocarbon wax at least one oil-soluble, metal salt of an organic carboxylic acid at least one surfactant and at least, one hydrocarbon solvent. A process for impregnating permeable substrates such as wood, cloth, concrete, rope, etc. with the water repellent system is also described. Penetration of the various components into the substrate is obtained by brushing, dipping, soaking spraying or …

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 February 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 14, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 13, 1985
GrantedFebruary 14, 1989
Term endedFebruary 14, 2006
Patent numberCA 1249901 A
Classification (IPC)B27K3/50 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedDec 13, 1985Patent grantedFeb 14, 1989Term endedFeb 14, 2006

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.