Title:
【発明の名称】潤滑油添加剤濃厚物の製造方法
Document Type and Number:
Japanese Patent JP2823593
Kind Code:
B2
Abstract:
A process for the production of a lubricating oil additive concentrate having a TBN greater than 300 which process comprises reacting component (A) a defined derivative of phenol component (B) an alkaline earth metal base added either in a single addition of in a plurality of additions at intermediate points during the reaction, component (C) at least one compound which is (i) water, (ii) a C1 to C10 monohydric alcohol, (iii) a C1 to C20 ketone, (iv) a C1 to C10 carboxylic acid ester or (v) a C1 to C20 ether, component (D) a lubricating oil, component (E) carbon dioxide added subsequent to the, or each, addition of component (B), component (F) a defined carboxylic acid or derivative component (G) at least one compound which is (i) an inorganic halide or (ii) an ammonium alkanoate or a mono-, di-, tri, or tetra-alkyl ammonium formate or alkanoate provided that, when component (G) is (ii), component (F) is not an acid chloride, the weight ratios of all components being such as to produce a concentrate having a TBN greater than 300.
Inventors:
Sean Patrick O'Corner
Charles Cane
Charles Cane
Application Number:
JP14852789A
Publication Date:
November 11, 1998
Filing Date:
June 13, 1989
Export Citation:
Assignee:
BP Chemicals (Additives) Limited
International Classes:
C07G99/00; C10M125/00; C10M125/10; C10M125/14; C10M125/18; C10M129/04; C10M129/16; C10M129/38; C10M129/70; C10M159/22; C10M177/00; C10M159/20; C10N10/04; C10N20/02; C10N30/04; C10N40/25; C10N70/00; (IPC1-7): C10M159/22; C10M125/00; C10M125/10; C10M125/14; C10M125/18; C10M129/04; C10M129/16; C10M129/38; C10M129/70; C10M177/00
Attorney, Agent or Firm:
Haruo Hamada