Invention Grant
- Patent Title: Marker dyes for petroleum products
- Patent Title (中): 石油产品标记染料
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Application No.: US12933455Application Date: 2009-03-19
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Publication No.: US08257975B2Publication Date: 2012-09-04
- Inventor: Daniel J. Knapton , John S. Manka
- Applicant: Daniel J. Knapton , John S. Manka
- Applicant Address: US OH Wickliffe
- Assignee: The Lubrizol Corporation
- Current Assignee: The Lubrizol Corporation
- Current Assignee Address: US OH Wickliffe
- Agent Christopher D. Hilker; David M. Shold
- International Application: PCT/US2009/037603 WO 20090319
- International Announcement: WO2009/120563 WO 20091001
- Main IPC: G01N33/26
- IPC: G01N33/26 ; G01N21/77
Abstract:
The present invention relates to using a marker in a functional fluid, which survives the use of the functional fluid in an application, with a reagent solution to identify the functional fluid rapidly either before, during or after the functional fluid's use and which is a suitable method for identifying a functional fluid in the field, and which may employ the use of test wipe, or medium, that contains the reagent solution.
Public/Granted literature
- US20110020940A1 Marker Dyes for Petroleum Products Public/Granted day:2011-01-27
Information query
