Low toxicity liquid solvent
CA 1324064 C · Owner: Doscher, Patrisha Anne · Inventors: Doscher, Patrisha Anne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Liquid solvent mixtures having superior cleaning power especially for, photoresist and fingernail enamel include polar compounds, such as ethylene diacetate, and alicyclic carbonates, such as ethylene carbonate. The solvent mixtures exhibit a low toxicity and have chemical and physical properties that reduce the risk of exposing the user to other unnecessary hazardous conditions.
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 November 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 2010.
- 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.