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.)
Derivados del Fluor SA
Original Assignee
Derivados del Fluor SA
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Filing date
Publication date
Application filed by Derivados del Fluor SAfiledCriticalDerivados del Fluor SA
Priority to ES491269ApriorityCriticalpatent/ES491269A0/es
Publication of ES8104142A1publicationCriticalpatent/ES8104142A1/es
Publication of ES491269A0publicationCriticalpatent/ES491269A0/es
PROCEDIMIENTO DE OBTENCION DE FLUOBORATO POTASICO UTILIZANDO EXCLUSIVAMENTE COMO MATERIAL PRIMA FLUORADA EL ACIDO FLUOSILICICO. SE HACE REACCIONAR POR SEPARADO EL FLUOBORATO POTASICO CON IONES DE POTASIO EN MEDIO ALCALINO Y CON ACIDO BORICO. LAS AGUAS MADRES DE LAS DOS REACCIONES ANTERIORES, A UNA TEMPERATURA Y DURANTE UN TIEMPO ESPECIFICO, SE HACEN REACCIONAR ENTRE SI. EL PRODUCTO OBTENIDO UNA VEZ SECADO Y FILTRADO ES EL FLUOBORATO POTASICO. L
ES491269A1980-05-071980-05-07Procedimiento de obtencion de fluoborato potasico
GrantedES491269A0
(es)
Process for chain extension of gelatin by partial hardening, and a gelatin composition as well as a photographic material that contain a gelatin thus obtained