Title:
BIODEGRADABLE LUBRICATING OIL
Document Type and Number:
Japanese Patent JP3513132
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent the crystallization of a biodegradable lubricating oil at low temperatures by lowering the pour point and to improve the stability against heat, oxidation, light and the like to prevent resinification.
SOLUTION: An animal oil, a vegetable oil or a chemical synthesis oil which has biodegradability is used as the base oil. By mixing a polymethacrylate and/or a polybutene with this base oil, an appropriate viscosity range as the chain saw oil is secured, and the crystallization point can be lowered. By mixing a neutral phosphoric acid ester, the stability against heat, oxidation, light and the like is improved. By mixing a surface active agent, the detergency is improved.
Inventors:
Kubo, Yoshisato
Application Number:
JP2001341633A
Publication Date:
March 31, 2004
Filing Date:
November 07, 2001
Export Citation:
Assignee:
YANASE SEIYU KK
International Classes:
C10M169/04; C10M105/38; C10M129/16; C10M137/04; C10M143/06; C10M145/14; C10M149/10; C10M159/08; C10N20/04; C10N30/00; C10N30/02; C10N30/08; C10N30/10; C10N40/00; C10N40/25; C10N40/32; (IPC1-7): C10M169/04
Attorney, Agent or Firm:
丸山 敏之 （外３名）