METHOD OF PREPARING SUCCINIMIDE ADDITIVES
FIELD: lubricants. SUBSTANCE: isobutylene/alpha- methylstyrene copolymer containing between o.1 and 300 wt % alpha-methylstyrene and having molecular weight from 500 to 3000 is brought into reaction with maleic anhydride and polyalkylene-polyamine. Advantageously, tetraetjylene- penaamine is used at...
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Main Authors | , , , , |
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Format | Patent |
Language | English Russian |
Published |
10.05.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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