http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1196552-A
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_16890954fa97fa1ea88523e23b283152 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B45-16 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B45-16 |
filingDate | 1968-02-12^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_64a049dad0128329e525a4caf5c4e36b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_52b21e0523787655642afc960a3d45d8 |
publicationDate | 1970-07-01^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | GB-1196552-A |
titleOfInvention | Mixed Azo-Dye Chromium Complexes |
abstract | 1,196,552. Mixed azo dye chromium complexes. UGINE KUHLMANN. 12 Feb., 1968 [10 Feb., 1967], No. 6754/68. Heading C4P. The invention comprises mixed azo dye chromium complexes of general Formula (I)- Cr-(II), wherein (I) is a dyestuff wherein R is an arylene nucleus having -OH ortho to -N=N-, and (II) is a dyestuff wherein R<SP>1</SP> is benzene nucleus. R<SP>1</SP> may be substituted, e.g. by halogen, alkyl or nitro. Preferred dyes of (I) are [4-chloro-1-hydroxybenzene] - <2 azo 4>[3<SP>1</SP> or 4<SP>1</SP>-sulpho-1-phenyl- 3 - methyl - 5 - hydroxypyrazole] and of (II) 3,5 - dichloro - 2 - hydroxy - benzene<1 azo 4>[1 - phenyl - 3 - methyl - 5 - pyrazolone]. They are prepared by (a) reacting in aqueous alkaline medium a chromium complex of an aliphatic or aromatic o-hydroxy carboxylic acid with an approximately equimolecular mixture of (I) and (II) or (b) reacting in aqueous alkaline medium a 1 : 1 dye : Cr complex of a dye (I) with a dye (II). The dye complexes dye wool, silk, leather, polyamides and polyurethanes in red shades. |
priorityDate | 1967-02-10^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
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