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Braher S A
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Braher S A
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Application filed by Braher S AfiledCriticalBraher S A
Priority to ES1967132981UpriorityCriticalpatent/ES132981Y/en
Publication of ES132981UpublicationCriticalpatent/ES132981U/en
Application grantedgrantedCritical
Publication of ES132981YpublicationCriticalpatent/ES132981Y/en
Improved artificial sky-satin, essentially characterized, by being constituted by plates obtained from plastic material, which have at least two opposing edges provided with a fold that is constituted as a guide for sliding them by the support joists, said plates being obtained in combination with hollow side profiles that cancel out to the walls constituting support for the edges of the end plates that form the sky-satin. (Machine-translation by Google Translate, not legally binding)
Process for the sulfation in two steps of alcohols or ether alcohols having at least 8, preferably at least 12, carbon atoms in the alkyl chain by means of sulfur trioxide.