http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1191801-A

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filingDate 1968-04-01-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0c6293e47533de53f6c6b0e2deec2f06
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publicationDate 1970-05-13-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber GB-1191801-A
titleOfInvention Improved Colour Photographic Material
abstract 1,191,801. Sulphonic acids. AGFA-GEVAERT A.G. 1 April, 1968 [30 March, 1967], No. 15503/68. Heading C2C. [Also in Divisions C4 and G2] Butanesultone is added to p-nitrophenol in boiling aqueous NaOH, and the reaction mixture treated with NaCl to yield 4-nitrophenyl-#- sulphobutyl ether which is then hydrogenated to 4 - aminophenyl - # - sulphobutyl ether.
priorityDate 1967-03-30-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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Total number of triples: 28.