http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-289135-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/C09B35-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B35-04 |
| filingDate | 1927-01-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1928-04-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-289135-A |
| titleOfInvention | The manufacture of new mordant disazo dyestuffs |
| abstract | 289,135. Carpmael, W., (I. G. Farbenindustrie Akt.-Ges.). Jan 18, 1927. Samples furnished. Disazo dyes.-The disazo dyes derived from pphenylenediamine, its homologues or substitution products and two molecular proportions of salicylic acid or a homologue or substitution product thereof in which the o- and p-positions to the hydroxyl groups are unoccupied are sulphonated; the sulphonic groups enter the o-positions to the hydroxyl groups of the salicylic acid residues. In an example, p-aminobenzene-azosalicylic acid is diazotized and coupled with salicylic acid; the resulting disazo dyestuff is then sulphonated by heating with oleum; the product gives a yellow orange shade fast to soaping and light when chrome-printed on cotton. Other o-oxycarboxylic acids of the benzene series or substitution products, e.g. chlor-derivatives thereof may be used instead of salicylic acid; m-cresotinic acid and xylenol carboxylic acid are specified. |
| priorityDate | 1927-01-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 18.