John A. Karch

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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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Collaboration

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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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ARCO

Archive Network Publication Hotspot Collaboration

Network

Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot

Dive into the research topics where John A. Karch is active.

Publication

Featured researches published by John A. Karch.

Process for removing sulfur from coal

Metal-containing spinel composition and process of using same

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

Catalyst demetallization by oxidation in a defined temperature range

Catalyst demetallization utilizing a combination of reductive and oxidative washes

Catalyst demetallization with a reductive SO2 wash

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

In situ aluminum passivation process

Cracking process employing a combination of reductive and oxidative washes

Demetallization process for a conversion catalyst

Collaboration

Dive into the John A. Karch's collaboration.