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Individual
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Priority to ES21637ApriorityCriticalpatent/ES21637A1/en
Publication of ES21637A1publicationCriticalpatent/ES21637A1/en
ES21637A1897-10-261897-10-26
Improvements in the procedure for the separation of the liquid from the bodies that contain it or that are mixed with it.
ExpiredES21637A1
(en)
Improvements in the chemical procedure for the separation of mineral substances by the selection action of oils and other analogous substances by means of the apparatus described.
A special procedure or system for the purification of crude naphthalene with use of the bodies that contaminate it, first using compression and second, evaporation and condensation in a closed chamber.