Mineral oils: processes and products – Products and compositions – Lubricating oils
Patent
1978-02-15
1979-06-05
Gantz, Delbert E.
Mineral oils: processes and products
Products and compositions
Lubricating oils
C10G 106
Patent
active
041572912
ABSTRACT:
A catalytic process for liquefying coal wherein the life of the catalyst is extended by periodic screening to remove ash-containing particulate matter.
REFERENCES:
patent: 3232861 (1966-02-01), Gorin et al.
patent: 3275546 (1966-09-01), Retallick
patent: 3514394 (1970-05-01), Wilson, Jr. et al.
patent: 3549512 (1970-12-01), Hodgson
patent: 3932266 (1976-01-01), Sze et al.
Paraskos John A.
Taylor, Jr. Herman
Gantz Delbert E.
Gulf Research & Development Company
Wright William G.
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