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Gevaert Photo Producten NV
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Gevaert Photo Producten NV
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Application filed by Gevaert Photo Producten NVfiledCriticalGevaert Photo Producten NV
Priority to ES0221805ApriorityCriticalpatent/ES221805A1/en
Publication of ES221805A1publicationCriticalpatent/ES221805A1/en
Process for obtaining a multilayer material, characterized in that, by comprising at least one hydrophilic layer and/or a hydrophobic layer, at least one layer consisting of a mixture of gelatin and alginic acid nitrate is present. It acts as a protective layer or as an intermediate layer between or on a hydrophilic and/or hydrophobic layer. (Machine-translation by Google Translate, not legally binding)
ES0221805A1955-05-141955-05-14A procedure for obtaining a multiple layer material (Machine-translation by Google Translate, not legally binding)
ExpiredES221805A1
(en)
A procedure for the preparation of 3; 17-dioles of the ciclopentanopolihidrofenantreno series (Machine-translation by Google Translate, not legally binding)
A procedure for the improvement of a photographic material containing a support and a light-sensitive layer (Machine-translation by Google Translate, not legally binding)
A procedure for the production of a material of multiple layers, which does not wrap up on itself (Machine-translation by Google Translate, not legally binding)