Composition and methods for protecting and rendering non-porous surfaces water and soil repellent
CA 1061032 A · Owner: General Electric Company · Inventors: Liddle, Raymond
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Water and soil repellent compositions comprising the product of the admixture of an alkylpolkysiloxane a mineral, acid selected from the group consisting of sulfuric acid phosphoric acid, aromatic sulfonic acids aliphatic sulfonic, acids and hydrochloric acid and hydrofluoric acid are, provided. Methods for preparing the same and for protecting and rendering nonporous surfaces water and soil repellent employing the same are also provided.
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 August 21, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 21, 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.