| Title of Invention | A PROCESS FOR THE PREPARATION OF A LUBRICATING BASE OILS |
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| Abstract | Process for the preparation of a lubricating base oil comprising the steps of; (a) contacting a hydrocarbon oil feed in a first stage witrh hydrogen in the presence of acatalyst comprising at least one group VIII noble metal component on an refractory oxide support; (b) contacting the liquid effluent in a second stage with hydrogen in the presence of a hydroconversion catalyst under hydroconversion conditions, and (c) recovering at least one lubrication base oil having a viscosity index of at least 80. |
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770-mas-1996 claims granted.pdf
770-mas-1996 correspondence others.pdf
770-mas-1996 correspondence po.pdf
770-mas-1996 description (complete) granted.pdf
770-mas-1996 power of attorney.pdf
| Patent Number | 192897 | ||||||||||||
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| Indian Patent Application Number | 770/MAS/1996 | ||||||||||||
| PG Journal Number | 30/2009 | ||||||||||||
| Publication Date | 24-Jul-2009 | ||||||||||||
| Grant Date | 11-Mar-2005 | ||||||||||||
| Date of Filing | 09-May-1996 | ||||||||||||
| Name of Patentee | M/S. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B V | ||||||||||||
| Applicant Address | CAREL VAN BYLANDTLAAN 30, 2596 HR THE HAGUE, | ||||||||||||
Inventors:
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| PCT International Classification Number | C10G 45/58 | ||||||||||||
| PCT International Application Number | N/A | ||||||||||||
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