Water-based paint remover compatible with motor vehicle productions spray booth materials
CA 1338308 C · Owner: Henkel Corporation · Inventors: Berry, Bruce R.; Grobbel, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to water-based coating remover compositions and concentrates from which those compositions are made and processes for preparing said compositions and concentrates where said concentrates comprise a substantially stable and homogenous mixture of Nmethyl-2-pyrrolidone, a mononuclear aromatic hydrocarbon a, glycol ether, an alkanolamine and a hydroxypropyl cellulose thickener.
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 May 7, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 2013.
- 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.