Legal status (The legal status 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 status listed.)
Expired
Application number
GB19922/31A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bataafsche Petroleum Maatschappij NV
Original Assignee
Bataafsche Petroleum Maatschappij NV
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Publication date
Application filed by Bataafsche Petroleum Maatschappij NVfiledCriticalBataafsche Petroleum Maatschappij NV
Publication of GB363972ApublicationCriticalpatent/GB363972A/en
C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
C10C3/04—Working-up pitch, asphalt, bitumen by chemical means reaction by blowing or oxidising, e.g. air, ozone
Abstract
In the manufacture of asphalt from a petroleum residue having an asphaltene content of 5 per cent or less, in which the residue is "blown" to increase the asphaltene content to 7 per cent or more, the product is distilled with or without steam or reduced pressure.
GB19922/31A1930-08-131931-07-10Process for the manufacture of asphalt
ExpiredGB363972A
(en)
Process for the production of blown bitumen by continuous treatment of a petroleum distillation residue in a blow column in a countercurrent process and blow column for carrying out the process
Process for the production of blown bitumen by continuous treatment of a petroleum distillation residue in a blow column in a countercurrent process and blow column for carrying out the process
Process for the production of oil turpentine from crude resins or the utilisbel residues from the distillation of oil of turpentine gums, resins and the like
Process for the production of oil turpentine from crude resins or the utilisbel residues from the distillation of oil of turpentine gums, resins and the like
Improvements in or relating tothe conversion of hydrocarbons having a high boiling-point into hydrocarbons having lower boiling-point by destructive hydrogenation
Improvements relating to the conversion of products from the distillation of coal and especially tar acids or products containing these acids into valuable hydrocarbons substantially free of tar acids.
Improvements in or relating tothe conversion of hydrocarbons having a high boiling-point into hydrocarbons having lower boiling-point by destructive hydrogenation
Improvements in or relating tothe conversion of hydrocarbons having a high boiling-point into hydrocarbons having lower boiling-point by destructive hydrogenation
Improvements in or relating to processes forthe destructive hydrogenation of high boiling-point hydrocarbons withthe formation therefrom of hydrocarbons having a lower boiling point