Jet printing ink compositions
CA 1338550 C · Owner: Kruse, Jurgen M. · Inventors: Kruse, Jurgen M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Jet printing ink compositions characterized as having low volatility, low viscosity, and low variation of viscosity with respect to temperature are disclosed. The compositions comprise a dyestuff dissolved in a liquid solvent which is preferably substantially free of added water and is a propylene glycol ether or an ethylene glycol butyl ether in which the dyestuff is soluble.
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 August 27, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.