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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpAfiledCriticalMontedison SpA
Priority to ES0243272ApriorityCriticalpatent/ES243272A1/en
Publication of ES243272A1publicationCriticalpatent/ES243272A1/en
Processes Of Treating Macromolecular Substances
(AREA)
Compositions Of Macromolecular Compounds
(AREA)
Casting Or Compression Moulding Of Plastics Or The Like
(AREA)
Abstract
Method for the production of phonographic discs, characterized in that compression molding comprises a moldable thermoplastic composition comprising a crystalline polymer of an olefin in admixture with a stabilizer therefor, at a temperature of 140 to 170º c, under a pressure of 120 at 260kg/cm2. (Machine-translation by Google Translate, not legally binding)
ES0243272A1958-07-241958-07-24Method for the production of phonographic discs (Machine-translation by Google Translate, not legally binding)
ExpiredES243272A1
(en)
Installation for the molding of objects of a material of molding termplastic or thermofinishable. (Machine-translation by Google Translate, not legally binding)
A procedure for the rapid obtaining of covillas for molding by injection, as well as matrices and molds in general (Machine-translation by Google Translate, not legally binding)