Ink-reinforced polyurethane films
CA 1292644 C · Owner: Gentelia, John S. · Inventors: Gentelia, John S.; Abraham, William W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reinforcement for thin film materials is provided by coating the films with an ink-type material. Ink coating of moisture vapor-permeable films such as polyurethane allows for a film suitable for use on skin which has an optimal rate of moisture vapor transmission. If desired an adhesive can be, provided on the ink-coated polyurethane membrane and such, materials are suitable fo retaining I.V. needles and the like in place on a patient.
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 December 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 2008.
- 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.