Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for determining residual fuel and insolubles contamination in used marine engine lubricants using UV-visible spectroscopy and chemometrics

Method for determining residual fuel and insolubles contamination in used marine engine lubricants using UV-visible spectroscopy and chemometrics

US Patent 7241621 · Granted Jul 10, 2007

Estimated economic value: $327,042,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for determining asphaltenes contamination in used marine engine lubricant2008
Method for determining asphaltenes contamination in used marine engine lubricant2008
Method of employing instrumentation to efficiently modify a lubricant's flow rat2004
Control of low inventory alkylation unit1996
Control of low inventory alkylation unit1995
Liquid acid regeneration method1994
Sulfolane purification by hydrocarbon extraction1993
Method for separating conjunct polymeric byproducts from mixture containing hydr1993
Method for detecting fuel dilution of marine lubricating oils1992
Method for preparing acid stable zeolites and high silica zeolites prepared by i1989