Gasoline particulate filters with high initial filtering efficiency and methods of making same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11441458
APP PUB NO 20200370452A1
SERIAL NO

16988932

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Abstract

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Gasoline Direct Injection (GDI) engines require gasoline particulate filters (GPFs) as a key component of the emissions control system to reduce particulate emissions. GPFs are known to have poor initial performance, with performance increasing after the filter develops a cake. This poor initial performance make it impossible to accurately assess vehicle emissions performance at the mileage requirements for vehicle certification. Compositions and methods are disclosed to improve filtration efficiency in a fresh or low mileage GPF.

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Patent Owner(s)

Patent OwnerAddress
AFTON CHEMICAL CORPORATIONRICHMOND VIRGINIA 23219

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Remias, Joseph E Richmond, US 12 18
Roos, Joseph W Mechanicsville, US 50 225
Shao, Huifang Midlothian, US 7 4

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