Benzthiazole compounds, processes for their preparation and their use for dyeing textiles, papers leather and inks
CA 1208210 A · Owner: Ciba Specialty Chemicals Holding Inc. · Inventors: Adam, Jean-Marie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Benzthiazole compounds, processes for their preparation and their use for dyeing textiles, papers leather and, inks, Abstract, Novel benzthiazole compounds of the formula I (I), in which the symbols A, B, C,KK, W m and n are as defined, in claim 1, are described. These novel benzthiazole compounds are particularly suitable as dyes for paper, brilliant yellow to orange dyeings which have, in particular, good wet-fastness and light-fastness, being obtained.
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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 July 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.