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Priority to RO111207ApriorityCriticalpatent/RO87245B1/en
Publication of RO87245B1publicationCriticalpatent/RO87245B1/en
Inventia se refera la un procedeu de oxidare a bitumului, conform caruia se supune oxidarii un amestec într-un raport în greutate cuprins între 1: 10 si 10 :1, bitum cu reziduu constituit în greutate din maximum 7% dimetiltereftalat, 0,1.....0,5% cobalt, iar în rest din esterii: monometilici ai acidului tereftaluc, metilic al aciduluiparatoluic monometilic al tereftalaldehidei, precum si para-metoximetilbenzoat de metil si ximetilbenzoat de metil si compusi fenolici si crezolici.The invention relates to a process for the oxidation of bitumen, according to which a mixture is subjected to oxidation in a weight ratio between 1: 10 and 10: 1, bitumen with a residual content of maximum 7% dimethyl terephthalate, 0.1. 0.5% cobalt and the rest of the esters: monomethylic acid of terephthalic acid, terephthalaldehyde methyl monoparatoluic acid methyl ester, as well as methyl para-methoxymethylbenzoate and methyl xymethylbenzoate and phenolic and crezolic compounds.
RO111207A1983-06-091983-06-09Bitumen oxidation process
RO87245B1
(en)
Process for separating a carboxylic acid of 1-8 carbon atoms from a mixture thereof with water and/or one or more other oxygenated aliphatic compounds.
COMPOSITIONS PRODUCED FROM ESTERS OF ALPHA DICARBOXYLIC ACIDS, BETA-UNSATURATED AND OLEPHINICALLY UNSATURATED COMPOUNDS THAT ARE PARTICULARLY SUITABLE FOR USE AS LUBRICANTS AND ADDITIVES FOR LUBRICANTS, AND PROCEDURES FOR THE PREPARATION OF PREPARATIONS.