Laser printable polyarylene sulfide compositions
CA 1187321 A · Owner: Phillips Petroleum Company · Inventors: Leland, John E.; Needham, Donald G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The six compositions nickel-antimony-titanium, lead, chromate-lead molybdate quinacridone, monoazo-nickel complex, cobalt-zinc-silica and lead chromate, provide a polyarylene sulfide composition containing one or more of these with high contrast laser printability.
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 21, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 21, 2002.
- 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.