Prepn. of ash free anticorrosion agent for mineral, esp. two=stroke engine oil - by condensing alkylbenzene sulphonic acid with para-formaldehyde, long chain amine and short chain amine, in two stages
DE4037045A1
Prepn. of ash free anticorrosion agent for mineral oil - involves condensing alkyl:benzene sulphonic acid with excess of para:formaldehyde and amine in presence of antifoam
DD296286A5
Method for producing nitrogen-based lubricating oil compositions
DD296284A5
Process for preparing borous polymer
DD296285A5
Process for producing nitrogen-containing polymers
DD293785A5
Device for filling and compressing catalyst clothes in chemical actuators
DD298523A5
Method of reproducing high viscoster altoel distillation back treatment
DD298522A5
Method for processing altoels
DD292243A5
Process for the controlled carbonization of phenolates
DD292245A5
Method for producing high-based speed calcium alkylphenolate-i
DD301936A9
Process for the preparation of highly basic sulfurized calcium alkylphenates - II -
DD292241A5
Method for producing foam-hazardous ash-contained erdalkalimetal detergents
DD292242A5
Promoter combination for the preparation of alkalitate-degraded phenolates
DD292244A5
Promoter for the manufacture of phenolates
DD296910A5
Method for producing oxo-oxidization-inhibiting aromatic amines
DD295658A5
Antioxydante lubricant accessories
DD292669A5
Method for producing lubricating oil components from aromatine-containing mineraloel products
DD292671A5
Method for producing lubricating oil components from aromatine-containing mineral oil products by solventraffinaction
DD292670A5
Process for the production of rush-raw materials
DD292672A5
Method for the endasphalting and / or dehydration of petroleum residues
