Dyes from trifluoromethyl-2-aminobenzothiazole diazo components
CA 1063601 A · Owner: Eastman Kodak Company · Inventors: Gourley, Robert N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Azo dyes having the general formula: wherein R1 represents a substituent selected from the group consisting of hydrogen, methyl, ethyl, methoxy, ethoxy halogen, nitro, acetyl, carbomethoxy, carboethoxy cyano and thiocyanato and A is an aniline 1,2,3,4-tetrahydroquinoline or benzomorpholine coupling component may, be used as conventional disperse dyes on polyester polyamide, acrylic, triacetate and other synthetic fabrics and some are particularly suit-, able for use in the transfer printing of polyesters and polyamides.
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 October 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 2, 1996.
- 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.