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Priority to ES216559ApriorityCriticalpatent/ES216559A1/en
Publication of ES216559A1publicationCriticalpatent/ES216559A1/en
Improvements in the production of polyamides by the reaction of primary, aliphatic or aromatic polyamine, with fatty acid, characterized in that in the course of a single operation two reactions are produced immediately afterwards: a substantially instantaneous reaction, consisting in obtaining the salt of ammonium corresponding to the fatty acid used, and another one of slow development, consisting in the obtaining of the polyamide by loss of water in the previous salt. (Machine-translation by Google Translate, not legally binding)
ES216559A1954-07-171954-07-17Improvements in the obtaining of polyamides (Machine-translation by Google Translate, not legally binding)
ExpiredES216559A1
(en)
Procedure for the preparation of N- (2-amino-3,5-dibromobenciliden) -trans-4-amino-ciclohexanol. (Machine-translation by Google Translate, not legally binding)
A method for the production of stereo-isomers and for the purposes of butane-1,2,3,4-tetrol-1,4, -di- (metansulfonate) (Machine-translation by Google Translate, not legally binding)
Procedure for increasing the affinity of polymers containing nitrile groups with respect to dyes, especially for acid colorants. (Machine-translation by Google Translate, not legally binding)
Procedure for obtaining a preparation based on inosine and N-acetyl-para - dimethylamine-aminobenzoato-propanol-2. (Machine-translation by Google Translate, not legally binding)