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POLYPAST GES fur KAUTSCHUKCHE
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POLYPAST GES fur KAUTSCHUKCHE
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Publication of ES202803A1publicationCriticalpatent/ES202803A1/en
Process for the preparation of resinous bodies characterized in that mixtures of hydrocarbons as they are present in the selective extract of mineral oil refining particularly in the furfurol extract are conveniently treated with nitric acid in the heat by passing air to its through. (Machine-translation by Google Translate, not legally binding)
ES0202803A1952-02-161952-04-03A procedure for the preparation of resinous bodies (Machine-translation by Google Translate, not legally binding)
ExpiredES202803A1
(en)
A method for the preparation of dehydratants intended to treat elastomeric compositions. (Machine-translation by Google Translate, not legally binding)
A procedure for the treatment of hydrocarbons of the class of selective extracts of mineral oils (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of thermal elements, especially for electrotermal cold production (Machine-translation by Google Translate, not legally binding)
Continuous procedure for the production of organic sulphonates and corresponding machinery (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of products resulting from the condensation of 4-hydroxycumarine, with alpha-beta-not saturated cetonas (Machine-translation by Google Translate, not legally binding)
A procedure for the elimination of nitrogen oxides from the gaseous mixtures containing them (Machine-translation by Google Translate, not legally binding)