Process for the printing of shaped articles derived from aramid fibers
CA 1302015 C · Owner: Burlington Industries, Inc. · Inventors: Hussamy, Samir
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process of printing a predetermined pattern on a poly(m-phenyleneisophthalamide)-containing textile fabric comprising the successive steps of: (a) applying a print paste composed of a highly polar solvent selected from the group consisting of dimethylsulfoxide, N,N-dimethylacetamide N-, methyl-2-pyrrolidone, and mixtures thereof the polar solvent, adapted to swell the aramid fiber and introduce a dyestuff therein, at least one organic dyestuff that is soluble in the polar solvent, a print paste thickening agent compatible with both the polar solvent and the dyestuff water and optionally, at least one flame retardant in a predetermined pattern onto, the surface of the aramid textile; and …
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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 June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
- 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.