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NAT LEAD CO
NL Industries Inc
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NAT LEAD CO
NL Industries Inc
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Publication of ES275459A1publicationCriticalpatent/ES275459A1/en
A process for preparing a substituted ammonium humate, to be used as a dispersible additive for oleaginous liquids such as working fluids in oil wells, characterized in that a substituted ammonium ion having the formula R1 R2 R3 R4 N +, in which at least one of R is an alkyl radical having from 12 to 22 carbon atoms in a normal chain and in which those R which do not have from 12 to 22 carbon atoms in a normal chain, comprise hydrogen, alkyl radicals which they have less than 12 carbon atoms, phenyl or benzyl, is reacted with a negative humate ion so that a salt of humic acid is formed. (Machine-translation by Google Translate, not legally binding)
ES0275459A1961-03-151962-03-14A procedure to prepare a substitute ammonium humate (Machine-translation by Google Translate, not legally binding)
ExpiredES275459A1
(en)
Procedure for the preparation of new compounds of 1,4-benzodioxane and 1,5-benzodioxane and of 1,5-benzodioxepane (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of heterociclic compounds of the type of pinanopirazoles. (Machine-translation by Google Translate, not legally binding)