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Detergent compositions, their manufacture and thei

来源:易榕旅网
专利内容由知识产权出版社提供

专利名称:Detergent compositions, their manufacture

and their use as additives for fuels

发明人:Paul Maldonado,Choua Cohen,Bernard

Sillion

申请号:US06/281532申请日:19810708公开号:US04375974A公开日:19830308

摘要:A nitrogen-containing composition, useful as a detergent for gasoline, isobtained by reacting at least one unsaturated anhydride with at least one olefin toconvert 20-80% of the anhydride and thereafter reacting the resultant product with apolyamine of the general formula ##EQU1## wherein R.sup.7 is a monovalent aliphaticradical of 6-30 carbon atoms, n is an integer from 2 to 5 and m is an integer from 1 to 10.

申请人:INSTITUT FRANCAIS DU PETROLE,SOCIETE ELF FRANCE

代理机构:Millen & White

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