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John A. Karch

ARCO

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Publication

Featured researches published by John A. Karch.

Archive | 1978

Process for removing sulfur from coal

Emmett H. Burk; Jin S. Yoo; John A. Karch

Archive | 1987

Metal-containing spinel composition and process of using same

Jin Sun Yoo; Cecelia A. Radlowski; John A. Karch; Alakananda Bhattacharyya

Archive | 1983

IMPROVED PREPARATIVE PROCESS FOR ALKALINE EARTH METAL, ALUMINUM-CONTAINING SPINELS

Jin Sun Yoo; John A. Karch; Richard Frank Poss; Emmett H. Burk

Archive | 1978

Catalyst demetallization by oxidation in a defined temperature range

Emmett H. Burk; Jin S. Yoo; John A. Karch; Jui-Yuan Sun

Archive | 1976

Catalyst demetallization utilizing a combination of reductive and oxidative washes

Emmett H. Burk; Jin S. Yoo; John A. Karch; Jui-Yuan Sun

Archive | 1976

Catalyst demetallization with a reductive SO2 wash

Emmett H. Burk; Jin S. Yoo; John A. Karch; Jui-Yuan Sun

Archive | 1986

Alkaline earth metal, aluminum-containing spinel compositions and methods of using same

Jun S. Yoo; John A. Karch; Richard Frank Poss; Emmett H. Burk; Cecelia A. Radlowski

Archive | 1980

In situ aluminum passivation process

Emmett H. Burk; Jin S. Yoo; John A. Karch

Archive | 1978

Cracking process employing a combination of reductive and oxidative washes

Emmett H. Burk; Jin S. Yoo; John A. Karch; Jui-Yuan Sun

Archive | 1979

Demetallization process for a conversion catalyst

Emmett H. Burk; Jin S. Yoo; John A. Karch; Jui-Yuan Sun

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Cecelia A. Radlowski

W. R. Grace and Company

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Alak A. Bhattacharyya

W. R. Grace and Company

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