Title:
How to decrease a color in used lubricating oil
Document Type and Number:
Japanese Patent JP6199901
Kind Code:
B2
Abstract:
A method for reducing color in used lubricating oil. The method comprises combining: (i) a used lubricating oil; (ii) an alkali metal borohydride; and (iii) a bisulfite or metabisulfite salt.
Inventors:
Antoyo H. Mayerhof
Application Number:
JP2014554761A
Publication Date:
September 20, 2017
Filing Date:
January 21, 2013
Export Citation:
Assignee:
Bar Terrace Performance Chemicals LLC
International Classes:
C10M175/00
Domestic Patent References:
| JP58120698A | ||||
| JP6158086A | ||||
| JP48042686B1 |
Foreign References:
| US20110232904 | ||||
| US4269698 |
Attorney, Agent or Firm:
Patent Business Corporation Sender International Patent Office