Rapidly removable undercoating for vacuum deposition of patterned layers onto substrates
CA 1251362 A · Owner: Dynapro Thin Film Products, Inc. · Inventors: Aufderheide, Brian E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method employing an undercoating for the vacuum deposition of material thereover that can be removed from a substrate by washing with water for one minute or less comprising a water soluble film-forming polymer, a solubility accelerator and a solid particulate material that provldes a rough surface topology to the undercoating when dried.
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 March 21, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 21, 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.
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.