Title:
MANUFACTURE OF BASIC SALT, SALT THEREBY AND OIL COMPOSITION CONTAINING SAME
Document Type and Number:
Japanese Patent JPS63203645
Kind Code:
A
Abstract:
Process for the preparation of basic alkaline earth metal salts of organic carboxylic acids, which comprises (a) mixing the organic carboxylic acids with more than an equivalent amount of an alkaline earth metal hydroxide and/or oxide in a hydrocarbon solvent; (b) introducing carbon dioxide into the mixture obtained in an amount of at least 0.5 equivalent carbon dioxide per equivalent of excess alkaline earth metal; and (c) removing residual solids, if any, and an aqueous layer, if any, wherein the organic carboxylic acids comprise a blend of a C8-30 alkyl salicylic acid and one or more alkanecarboxylic acid in which the alkyl moiety is branched and has from 4 to 40 carbon atoms. Such a salt has dispersant properties and is suitable for use in lubricating oil and fuel compositions.
Inventors:
EOOHENE MARII HOTSUTOFURIIDO A
RUDORUFU RIHARUDO FUAN UERU
RUDORUFU RIHARUDO FUAN UERU
Application Number:
JP3067488A
Publication Date:
August 23, 1988
Filing Date:
February 12, 1988
Export Citation:
Assignee:
SHELL INT RESEARCH
International Classes:
C07C51/00; C07C51/41; C07C51/42; C07C53/124; C07C53/126; C07C65/05; C07C67/00; C07F3/02; C10M129/26; C07F3/04; C10M129/28; C10M129/54; C10N10/04; C10N30/04; (IPC1-7): C07C51/41; C07C51/42; C07C53/124; C07C53/126; C07C65/05; C10M129/26; C10N10/04; C10N30/04
Domestic Patent References:
| JP46037330A | ||||
| JPS4716285A |
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)