1
Knut Grande, Carsten Sorlie: Process for removing essentially naphthenic acids from a hydrocarbon oil. Den norske stats oljeseskap, Kirkpatrick & Lockhart, May 16, 2000: US06063266 (54 worldwide citation)

A process for removing essentially naphthenic acids from a crude oil which has not previously been fractionated by distillation, or from which only a naphtha fraction has been distilled. The crude oil is hydrogenated at 1-50 bars and 100-300.degree. C. over a catalyst of the kind used for hydrogenat ...


2
Götz Burgfels, Stephan Wellach, Josef Schönlinner, Friedrich Schmidt, Volker Kurth, Vebjorn Knut Grande, Jorunn Steinsland Rosvoll, Per Aksel Skjølsvik: Catalyst composition for hydrocracking and process of mild hydrocracking and ring opening. Süd Chemie, Florek & Endres PLLC, February 21, 2012: US08119552 (1 worldwide citation)

The present invention relates to a catalyst composition for the reaction of hydrocarbons comprising a zeolite with has a faujasite structure and a fibrous zeolite which comprises essentially non-crossing one-dimensional channels. Further, the catalyst composition comprises in a preferred embodiment ...


3
Heidi Mediaas, Knut Grande, Hege Kummernes, Jens Emil Vindstad: Method for isolation and quantification of naphthenate forming acids (“ARN-acids”). Statoil Petroleum, Volpe and Koenig P C, March 18, 2014: US08674161 (1 worldwide citation)

A method for isolation and quantification of naphthenate forming acids (ARN-acids) in crude oils is disclosed. The method involves selective absorbtion/adsorption of ARN acids by a solid medium. Isolation of the solid medium and transferring the ARN acids to an organic solvent which can by analysed ...


4
Stephan Wellach, Knut Grande, Jorunn Steinsland Rosvoll, Per Aksel Skjolsvik, Gotz Burgfels, Josef Schonlinner, Friedrich Schmidt, Volker Kurth: Ring opening process. Statoil ASA, Ballard Spahr, March 6, 2012: US08128809

A single stage process for desulfurization and ring opening of a sulphur containing hydrocarbon feedstock comprising: contacting said feedstock with hydrogen and a catalyst at a pressure of less than 100 bars wherein said catalyst comprises (I) a combination of molecular sieves consisting of at leas ...


5
KNUT GRANDE , HEGE KUMMERNES , KIM REIDAR HØVIK , JENS EMIL VINSTAD , HEIDI MEDIAAS , JORUNN STEINSLAND ROSSVOLL , INGVILD JOHANNE HAUG : [en] Process for removing metal naphthenate from crude hydrocarbon mixtures. STATOIL PETROLEUM  , September 20, 2017: GB2548525-A

[en] The present invention provides a process for removing metal naphthenate from a crude hydrocarbon mixture comprising: • -mixing said crude hydrocarbon mixture (1) comprising metal naphthenate with an acid (3) in the presence of water, wherein said acid converts said metal naphthenate to naphthen ...


6
Knut Grande, Jorunn Steinsland Rosvoll, Per Aksel Skjolsvik, Gotz Burgfels, Stephan Wellach, Josef Schonlinner, Friedrich Schmidt, Volker Kurth: Ring opening process. Statoil Asa, Ballard Spahr Andrews & Ingersoll, August 13, 2009: US20090200202-A1

A single stage process for desulfurization and ring opening of a sulphur containing hydrocarbon feedstock comprising: contacting said feedstock with hydrogen and a catalyst at a pressure of less than 100 bars wherein said catalyst comprises (I) a combination of molecular sieves consisting of at leas ...


7
Götz Burgfels, Stephan Wellsch, Josef Schönlinner, Friedrich Schmidt, Volker Kurth, Vebjorn Knut Grande, Jorunn Steinsland Rosvoll, Per Aksel Skjølsvik: Catalyst Composition For Hydrocracking and Process of Mild Hydrocracking and Ring Opening. Hedman & Costigan PC, December 10, 2009: US20090301929-A1

The present invention relates to a catalyst composition for the reaction of hydrocarbons comprising a zeolite with has a faujasite structure and a fibrous zeolite which comprises essentially non-crossing one-dimensional channels. Further, the catalyst composition comprises in a preferred embodiment ...


8
Heidi Mediaas, Knut Grande, Hege Kummernes, Jens Emil Vindstad: Method for isolation and quantification of naphthenate forming acids ("arn acids"). Statoil Petroleum, July 26, 2012: US20120190907-A1

A method for isolation and quantification of naphthenate forming acids (ARN-acids) in crude oils is disclosed. The method involves selective absorbtion/adsorption of ARN acids by a solid medium. Isolation of the solid medium and transferring the ARN acids to an organic solvent which can by analysed ...