Method of characterizing the effectiveness of baseoil additives

Details Method of characterizing the effectiveness of baseoil additives Method of characterizing the effectiveness of baseoil additives

1989-10-23

1991-11-19

Hill, Jr., Robert J.

Chemistry: analytical and immunological testing

Process or composition for determination of physical state...

73 611C, 73 612, 73 64, 436 60, 436161, 436181, 436183, G01N 504, G01N 3000, G01N 3326

Patent

active

050665987

ABSTRACT:
A process for preparing a baseoil blend of predetermined coking tendency, and for measuring the effectiveness of additives for reducing coking tendency in baseoils, utilizing the relationship of the content of volatile fractions and low boiling fractions in baseoil to the onset and/or progression of asphaltene formation.

REFERENCES:
patent: 2903412 (1959-09-01), Longland
patent: 4048056 (1977-09-01), Romovacek
patent: 4518482 (1985-05-01), Dickakian
patent: 4671103 (1987-06-01), Dickakian
patent: 4751187 (1988-06-01), Dickakian
patent: 4752587 (1988-06-01), Dickakian
patent: 4762797 (1988-08-01), Dickakian
patent: 4849361 (1989-07-01), Dickakian

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