Process of treating fabrics with foam
CA 1106556 A · Owner: Union Carbide Corporation · Inventors: Readshaw, Ronald L.; Bryant, George M.; Walter, Andrew T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A continuous process for the application of a textile treating composition in the form of a froth or foam to a substrate such as textiles. The process enables the application in a uniform manner of any formable functional composition that can be used in the treatment of a textile fabric to improve its properties. It generally leaves the textile material essentially dry to the touch and thus requires less energy consumption in drying and further treatment of the textile. S P E C I F I C A T I O N 1.
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 11, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 1998.
- 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.