Invention Grant
- Patent Title: Ester dispersant composition for soot handling in EGR engines
- Patent Title (中): 用于EGR发动机烟灰处理的酯分散剂组合物
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Application No.: US12521814Application Date: 2008-01-04
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Publication No.: US08581006B2Publication Date: 2013-11-12
- Inventor: Matthew D. Gieselman , John K. Pudelski , Renee A. Eveland , Adam J. Preston
- Applicant: Matthew D. Gieselman , John K. Pudelski , Renee A. Eveland , Adam J. Preston
- Applicant Address: US OH Wickliife
- Assignee: The Lubrizol Corporation
- Current Assignee: The Lubrizol Corporation
- Current Assignee Address: US OH Wickliife
- Agent Christopher D. Hilker
- International Application: PCT/US2008/050240 WO 20080104
- International Announcement: WO2008/086185 WO 20080717
- Main IPC: C07C211/00
- IPC: C07C211/00
Abstract:
Reaction of a carboxylic acid-containing polymer with certain aromatic amines and polyols results in ester containing dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with non-ester containing dispersants.
Public/Granted literature
- US20100130393A1 Ester Dispersant Composition for Soot Handling in EGR Engines Public/Granted day:2010-05-27
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