Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES SA
Original Assignee
Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES SA
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Filing date
Publication date
Application filed by Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES SAfiledCriticalFabrica Espanola de Productos Quimicos y Farmaceuticos FAES SA
Priority to ES208830ApriorityCriticalpatent/ES208830A1/en
Publication of ES208830A1publicationCriticalpatent/ES208830A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography
(AREA)
Photoreceptors In Electrophotography
(AREA)
Abstract
Process for obtaining a new compound ring derived from pyrazolone characterized in that the diazonium salt necessary for coupling is obtained by diazotization in an acid medium of 4-amino-1-phenyl-2-dimethyl-pyrazolana (5). (Machine-translation by Google Translate, not legally binding)
ES208830A1953-04-181953-04-18A procedure for the obtaining of a new azoderivado (Machine-translation by Google Translate, not legally binding)
ExpiredES208830A1
(en)
Procedure for the preparation of a photographic chromatic image with the help of color copulators (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of azoic colorants belonging to the pirazolona and pirazol series (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of alpha-gamma-dioxy-amidas of organic acid substituted or not replaced (Machine-translation by Google Translate, not legally binding)