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Yaping Lu, Shain Jer Doong, Martin Bülow, Dongmin Shen, Divyanshu R Acharya, Mark J Andrecovich, Frank R Fitch, Adeola Florence Ojo: Composite adsorbent beads for adsorption process. The BOC Group, Philip H Von Neida, Salvatore P Pace, September 4, 2001: US06284021 (49 worldwide citation)

A gas separation process comprising feeding a gaseous mixture comprising at least two components having different adsorption characteristics into an adsorption vessel containing at least one adsorbent material capable of preferentially adsorbing at least one of the gaseous components in the gaseous ...


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Qing Min Wang, Dongmin Shen, Martin Bülow, Miu Ling Lau, Frank R Fitch, Shuguang Deng: Metallo-organic polymers for gas separation and purification. The BOC Group, Philip H Von Neida, Salvatore P Pace, December 10, 2002: US06491740 (22 worldwide citation)

The present invention provides for methods and compositions for gas separation and purification utilizing a metallo-organic polymer adsorbent in processes for separating carbon dioxide, water, nitrogen oxides and hydrocarbons from gas streams. The metallo-organic polymer adsorbent composition has th ...


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Martin Bülow, Jürgen Böer, Wolfgang Burckhardt, Hans Ulrich Guth, Helmut Ullmann, Vladimir V Vashook: Oxygen sorbent compositions and methods of using same. The BOC Group, Philip H Von Neida, March 25, 2008: US07347887 (18 worldwide citation)

Composites and methods useful for oxygen sorption and other uses are presented, the composites comprising: (A) one or more crystalline ceramic oxides selected from compounds within general formula (1): AxA′x′ByB′y′O3-δ and   (1) (B) one or more crystalline ceramic oxides selected from compounds with ...


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Yongxian Zeng, Rudolph J Wolf, Frank R Fitch, Martin Bülow, Satish S Tamhankar, Divyanshu R Acharya: Supported perovskite-type oxides and methods for preparation thereof. The BOC Group, Philip H Von Neida, July 4, 2006: US07070752 (16 worldwide citation)

Supported perovskite-type oxides are described. The perovskite-type oxides have the general formula of AxA′x′ByB′y′O3−δ, wherein A is an ion of a metal of Group IIIa or IIIb of the periodic table of elements or mixtures thereof; A′ is an ion of a metal of Groups Ia or IIa of the periodic table or mi ...


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Karl Seff, Hyun Sook P Cordes, Martin Bülow, Frank R Fitch, Adeola F Ojo, Sudhakar R Jale, Dongmin Shen: Method of manufacture of molecular sieves. The BOC Group, Philip H Von Neida, Salvatore P Pace, June 24, 2003: US06583081 (11 worldwide citation)

Zeolites exchanged with lithium, rubidium, cesium cations and trivalent cations are prepared by first partially, fully or excessively ion-exchanging a sodium-containing zeolite, a potassium-containing zeolite or a sodium- and potassium-containing zeolite with trivalent cations, then calcining the pa ...


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Shuguang Deng, Ravi Kumar, Martin Bülow, Frank R Fitch, Adeola Florence Ojo, Craig S Gittleman: Air purification process. The BOC Group, Philip H Von Neida, Salvatore P Pace, May 29, 2001: US06238460 (9 worldwide citation)

Substantially all of the carbon dioxide is removed from a gas containing up to about 1% by volume carbon dioxide by subjecting the gas to a pressure swing adsorption process using a two layer adsorption system, wherein the first layer contains activated alumina and the second layer is a zeolite or a ...


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Martin Bülow, Chang Jie Guo, Dongmin Shen, Frank R Fitch, Arthur I Shirley, Virginia A Malik: Separation of alkenes and alkanes. The BOC Group, Philip H Von Neida, Salvatore P Pace, March 13, 2001: US06200366 (9 worldwide citation)

Ethene is separated from a gas mixture containing ethane by a pressure swing adsorption process carried out at a temperature in the range of about 50 to about 200° C., wherein the adsorption step of the process is conducted by passing the gas mixture through an adsorption zone containing type A zeol ...


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Adeola F Ojo, Frank R Fitch, Martin Bülow: Temperature swing adsorption process. The BOC Group, Philip H Von Neida, Salvatore P Pace, June 25, 2002: US06409800 (9 worldwide citation)

Nitrogen oxides and low molecular weight hydrocarbons are removed from air by subjecting the air to a temperature swing adsorption process using as the adsorbent a composite zeolite product containing both zeolite A and zeolite X. The composite zeolite product is preferably prepared by forming a mix ...


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Dongmin Shen, Madhusudhan Huggahalli, Martin Bülow, Sudhakar R Jale, Ravi Kumar: Thermal swing adsorption process for the removal of dinitrogen oxide, hydrocarbons and other trace impurities from air. The BOC Group, Philip H Von Neida, Salvatore P Pace, May 21, 2002: US06391092 (8 worldwide citation)

The present invention provides for a process for purifying atmospheric air prior to its separation by cryogenic distillation. The process utilizes three adsorbent layers, the first primarily removes water; the second primarily removes CO