Title:
【発明の名称】ヒドロキシアルカンホスホン酸およびその誘導体、およびそれを含有する潤滑剤
Document Type and Number:
Japanese Patent JPH03504981
Kind Code:
A
Abstract:
This invention relates to lubricating compositions containing hydroxyalkane phosphonic acids and derivatives thereof. More specifically, this invention relates to hydroxylakane phosphonic acids which can be reacted to form salts with basic materials, including overbased detergents, dispersants and amines. These materials can be particularly useful in lubricating compositions. The hydroxyalkane phosphonic acid is represented by the following formula: wherein X is oxygen, sulfur or a secondary amino group, n is an integer from 1 to 8, Y is hydrogen or a phosphonic acid group and R is an alkyl group having from 1 to about 100 carbon atoms.
Inventors:
Rizbi, Side, Carab, Abbas
Diviase, Stefan, Augustine
Diviase, Stefan, Augustine
Application Number:
JP50343490A
Publication Date:
October 31, 1991
Filing Date:
January 26, 1990
Export Citation:
Assignee:
The Lubrisol Corporation
International Classes:
C07F9/38; C10M137/12; C10M137/14; C10M159/12; C10M159/20; C10M163/00; C10M167/00; C10N30/06; C10N40/04; C10N40/08; C10N40/25; C10N50/10; F02B1/04; (IPC1-7): C07F9/38; C10M163/00; C10N30/06; C10N40/04; C10N40/08; C10N40/25; C10N50/10
Attorney, Agent or Firm:
Hidesaku Yamamoto