Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VITTORIO SAVELI MARCHI
Original Assignee
VITTORIO SAVELI MARCHI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VITTORIO SAVELI MARCHIfiledCriticalVITTORIO SAVELI MARCHI
Priority to ES464248ApriorityCriticalpatent/ES464248A1/en
Publication of ES464248A1publicationCriticalpatent/ES464248A1/en
Solid-Sorbent Or Filter-Aiding Compositions
(AREA)
Abstract
A method for filtering tobacco smoke characterized by conducting said smoke through a selective absorbing silica-containing filter produced by the treatment, with an acid solution, of an insoluble synthetic silicate obtained by the reaction between solutions of a soluble silicate and salts soluble aluminum, magnesium, calcium, etc. And whose final content of said oxides is less than 5% of each one of them. (Machine-translation by Google Translate, not legally binding)
ES464248A1977-11-171977-11-17A selective tobacco smoke filtration procedure. (Machine-translation by Google Translate, not legally binding)
ExpiredES464248A1
(en)
Process for producing crystalline 7-bracket-d-2-hydroxy-2-phenyl-acetamido-bracket closed-3-bracket-1-methyl-1h--tetrazol-5-yl-thio-methyl-bracket closed-3-cepheme-4-carboxylic acid and sodium salt thereof, i.e. sodium-cephamandole