HRP970291B1 - Process for the refinement by the petroleum lubricating oil solution - Google Patents

Process for the refinement by the petroleum lubricating oil solution

Info

Publication number
HRP970291B1
HRP970291B1 HRP-572/81A HRP970291A HRP970291B1 HR P970291 B1 HRP970291 B1 HR P970291B1 HR P970291 A HRP970291 A HR P970291A HR P970291 B1 HRP970291 B1 HR P970291B1
Authority
HR
Croatia
Prior art keywords
refinement
lubricating oil
oil solution
petroleum lubricating
petroleum
Prior art date
Application number
HRP-572/81A
Inventor
A Sequeira
Original Assignee
Texaco Development Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/128,164 external-priority patent/US4328092A/en
Application filed by Texaco Development Corp filed Critical Texaco Development Corp
Publication of HRP970291B1 publication Critical patent/HRP970291B1/en

Links

HRP-572/81A 1980-03-07 1997-05-26 Process for the refinement by the petroleum lubricating oil solution HRP970291B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/128,164 US4328092A (en) 1980-03-07 1980-03-07 Solvent extraction of hydrocarbon oils
YU527/81A YU41521B (en) 1980-03-07 1981-03-05 Solvent extraction of hydrocarbon oils

Publications (1)

Publication Number Publication Date
HRP970291B1 true HRP970291B1 (en) 1997-10-31

Family

ID=26826334

Family Applications (1)

Application Number Title Priority Date Filing Date
HRP-572/81A HRP970291B1 (en) 1980-03-07 1997-05-26 Process for the refinement by the petroleum lubricating oil solution

Country Status (1)

Country Link
HR (1) HRP970291B1 (en)

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Legal Events

Date Code Title Description
NOST Nostrification from former federal patent office
ODRP Renewal fee for the maintenance of a patent

Payment date: 19980305

Year of fee payment: 18

PBON Lapse due to non-payment of renewal fee

Effective date: 19990306