Invention Grant
- Patent Title: Method for reducing color in used lubricating oil
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Application No.: US14372459Application Date: 2013-01-21
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Publication No.: US09708565B2Publication Date: 2017-07-18
- Inventor: Antjo H. Meijerhof
- Applicant: Vertellus Performance Chemicals, LLC
- Applicant Address: US IN Indianapolis
- Assignee: Vertellus Performance Chemicals, LLC
- Current Assignee: Vertellus Performance Chemicals, LLC
- Current Assignee Address: US IN Indianapolis
- Agency: Barnes & Thornburg LLP
- International Application: PCT/US2013/022361 WO 20130121
- International Announcement: WO2013/112395 WO 20130801
- Main IPC: C10M175/00
- IPC: C10M175/00 ; C10M125/26
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.
Public/Granted literature
- US20140357538A1 METHOD FOR REDUCING COLOR IN USED LUBRICATING OIL Public/Granted day:2014-12-04
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