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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES0262163ApriorityCriticalpatent/ES262163A3/en
Publication of ES262163A3publicationCriticalpatent/ES262163A3/en
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Abstract
Process for the manufacture of rigid cellular polystyrene, characterized in that the raw material is used in the form of small pearls that are first subjected to the action of heat in an appropriate chamber, and then an agent that produces its inflation is added, combined with carbonic acid; the mixture is passed to a blender with accelerated movement, until the necessary homogenization is achieved. (Machine-translation by Google Translate, not legally binding)
ES0262163A1960-11-031960-11-03Procedure for the manufacture of rigid cell polystyrene (Machine-translation by Google Translate, not legally binding)
ExpiredES262163A3
(en)
Procedure to produce substances of the nature of lactamo and, in particular, of debutolactamo (Machine-translation by Google Translate, not legally binding)
An improvement introduced in the procedure to obtain a mixture of polyester and estirolenum. (Machine-translation by Google Translate, not legally binding)
Procedure for the nitration of compounds of furan with a mixture of nitric acid and anhydride of acetic acid. (Machine-translation by Google Translate, not legally binding)