1
Henricus M J Bijwaard, Michael A M Boersma, Swan T Sie: Process for the preparation of middle distillates. Shell Oil Company, John M Duncan, Ronald R Reper, May 24, 1983: US04385193 (36 worldwide citation)

Middle distillate hydrocarbons are produced from feed mixtures of carbon monoxide and hydrogen by contacting said feed at elevated temperature and pressure in a first stage with certain impregnated catalysts and contacting at least the middle distillate fraction of the product of the first stage in ...


2
Gerhard G Bayle, Henricus M J Bijwaard, Martinus M P Janssen: Process for the manufacture of lubricating base oils. Shell Oil Company, Kimbley L Muller, November 11, 1986: US04622129 (13 worldwide citation)

A process is disclosed for the manufacture of lubricating base oils from nitrogen-containing distillates and/or deasphalted oils by subjecting them to a catalytic hydrotreatment which may be followed by a dewaxing treatment, wherein distillates and/or deasphalted oils having a nitrogen content which ...


3
Henricus M J Bijwaard, Martinus M P Janssen: Process for the manufacture of lubricating base oils. Shell Oil Company, Kimbely L Muller, August 16, 1988: US04764265 (9 worldwide citation)

Process for the manufacture of lubricating base oils from nitrogen-containing distillate and/or deasphalted oils by catalytic hydrotreatment followed by a dewaxing treatment, which comprises subjecting nitrogen-containing distillates and/or deasphalted oils to solvent extraction and subjecting the r ...


4
Henricus M J Bijwaard, Alphonsus Morcus: Lubricating base oil compositions. Shell Oil Company, May 31, 1983: US04385984 (9 worldwide citation)

Lubricating base oil compositions having improved stability comprise a major amount of a base oil which has been prepared from a vacuum distillate (VD) or deasphalted oil (DAO) by severe hydrotreating optionally in combination with solvent refining, and a minor amount of an oil which has been prepar ...


5
Henricus J A Van Helden, Niels Fabricius, Henricus M J Bijwaard: Process for the manufacture of kerosene and/or gas oils. Shell Internationale Research Maatschappij, Jones Tullar & Cooper, June 16, 1992: US05122257 (3 worldwide citation)

Process for the manufacture of lubricating base oils wherein a hydrocarbon feedstock is catalytically treated in the presence of hydrogen at elevated temperature and pressure and wherein at least part of a heavy fraction of the material obtained is subjected to dewaxing, in which process a hydrocarb ...



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