The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 12, 1996
Filed:
Nov. 22, 1994
Applicant:
Inventors:
Ron-Sheng Lin, Chia-Yi, TW;
Chen-Yi Lin, Chia-Yi, TW;
Tsae-Shycm Lee, Chia-Yi, TW;
Chi-Chung Chen, Chia-Yi, TW;
Su-Terng Chang, Chia-Yi, TW;
Kuo-Min Wei, Chia-Yi, TW;
Assignee:
Chinese Petroleum Corp., , TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 334 ; 252 405 ; 252 496 ; 252 50 ; 252 / ; 208 15 ; 208 19 ;
Abstract
A semi-synthetic two-stroke engine oil formulation which comprises a base oil consisting of a high-viscosity mineral oil, a medium-viscosity mineral oil, a solvent and a mixture of three polyisobutylenes with different molecular weights, and appropriate detergents and dispersants. This semi-synthetic two-stroke engine has both high lubricity and high detergency, and also meets the requirements of low smoke and low exhaust system blocking.