Process for stripping organic coatings
CA 1107156 A · Owner: Petterson, Robert C. · Inventors: Loubier, Roger C.; Petterson, Robert C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Organic coatings such as paint, varnish and shellac are stripped from the surface of a coated objet by contacting the surface with a stripping composition in the gas phase substantially in the absence of liquid stripping composition condensate, wherein the stripping composition in the gas phase is capable of destroying the adhesion between the coating and the surface. This process is particularly useful for objects which can be placed in a stripping zone and substantially sealed from the atmosphere especially objects having, an irregular surface and also for interior surfaces which can be substantially sealed from the atmosphere, including extensive interior surfaces such as those of …
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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 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.