http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-302770-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7b04f5b6a02051c94d6eaf190b751ed2 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B45-16 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B45-16 |
| filingDate | 1927-10-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1928-12-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-302770-A |
| titleOfInvention | Manufacture of new ortho-oxyazo-dyestuffs and an intermediate product |
| abstract | 302,770. Imray, O. Y., (I. G. Farbenindustrie Akt.-Ges.). Oct. 28, 1927. 2 : 8 - Dioxynaphthalene-6-carboxylic acid is prepared by fusing 2-naphthol-8-sulpho-6-carboxylic acid with caustic alkali. Specification 291,965 is referred to. o-Oxyazo-dyes are obtained by combining aromatic oxydiazo compounds with the above intermediate. They are mordant dyestuffs dyeing wool brownish tints turning to fast brown to black shades when after-chromed. Diazo compounds of the following are specified :-4-chlor-2- aminophenol. 4-nitro - 2 - aminophenol, p-nitro-oaminosalicylic acid, picramic acid, 5-nitro-3- amino - p - cresol, p-chlor-o-nitro-o-aminophenol, nitroamino-phenol sulphonic acids, o-aminonaphthol sulphonic acids and o-hydroxyaminoazo compounds. |
| priorityDate | 1927-10-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 20.