Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Additive for diesel particulate filter

Additive for diesel particulate filter

US Patent 7989406 · Granted Aug 2, 2011

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Measuring method for degree of degradation of lubricating oil, and measuring dev2015
Measurement method of degradation/alteration degree of lubricant oil and measure2014
Device for evaluating degree of degradation of lubricating oil2014
Lubricating oil composition for diesel engine2013
Lubricating composition2012
Additive for diesel particulate filter2005
Lube oil compositions for diesel engines2002
Diesel engine oil composition2000
Succinimide compound and method for producing it, lubricating oil additive compr2000
Refrigerator oil and process for lubrication using the refrigerator oil2000
Neutralization testing apparatus1999
Lubricant for refrigerating machine employing refrigerant comprising hydrofluoro1996