1
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 ...


2
Ravi Jain, Alberto I LaCava, Apurva Maheshwary, John Robert Ambriano, Divyanshu R Acharya, Frank R Fitch: Air separation using monolith adsorbent bed. The BOC Group, Philip H Von Neida, Salvatore P Pace, May 15, 2001: US06231644 (38 worldwide citation)

A method of separating a first gaseous component from a gas mixture comprising the first gaseous component and a second gaseous component comprising passing the gaseous mixture into an adsorption zone containing an adsorbent material capable of preferentially adsorbing at least one of the gaseous co ...


3
Divyanshu R Acharya, Ravi Jain, James K Tseng: Process and apparatus for gas purification. The BOC Group, Coleman R Reap, Salvatore P Pace, March 17, 1998: US05728198 (28 worldwide citation)

An air prepurification system which includes vertically oriented adsorption vessels containing, from top to bottom, a layer of moisture-selective adsorbent, a first layer of carbon dioxide-selective adsorbent and a second layer of carbon dioxide-selective adsorbent wherein the particle size of carbo ...


4
Divyanshu R Acharya, Satish S Tamhankar: Process and apparatus for the separation of gases. The BOC Group, Coleman R Reap, Salvatore P Pace, September 30, 1997: US05672196 (20 worldwide citation)

Hydrocarbon gas is separated from a gas mixture by concentration swing adsorption in a system consisting of a pair of adjacent adsorption beds that are contained in a cylindrical vessel and separated by a flat partition wall. The system is operated with the beds out of phase, such that one bed is in ...


5
Ravi Jain, Alberto I LaCava, Apurva Maheshwary, John Robert Ambriano, Divyanshu R Acharya, Frank R Fitch: Air separation using monolith adsorbent bed. The BOC Group, Philip H Von Neida, Salvatore P Pace, February 18, 2003: US06521019 (20 worldwide citation)

A method of separating a first gaseous component from a gas mixture comprising a first gaseous component and a second gaseous component comprising passing the gaseous mixture into an adsorption zone containing an adsorbent material capable of preferentially adsorbing at least one of the gaseous comp ...


6
Yaping Lu, Divyanshu R Acharya, Arthur I Shirley, Norberto O Lemcoff: Adsorption processes. The BOC Group, Philip H Von Neida, Salvatore P Pace, January 7, 2003: US06503297 (17 worldwide citation)

A process for separating a gas component from a gas mixture is disclosed. A gas mixture is passed through an adsorption zone which contains an adsorbent which will selectively adsorb a gaseous component from the gas mixture. The adsorption zone contains a layer of monolithic adsorbent and a layer of ...


7
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 ...


8
Divyanshu R Acharya: Purification method and apparatus. The BOC Group, David M Rosenblum, Larry R Cassett, September 5, 1995: US05447558 (16 worldwide citation)

Air is purified by being passed in sequence through a first, lower, bed of activated alumina particles which adsorb water vapor preferentially therefrom, and a second, upper, bed of zeolite 13X molecular sieve particles which adsorb carbon dioxide preferentially therefrom. The air passes upwardly th ...


9
Yaping Lu, Shain Jer Doong, Buelow Martin, Shen Dongmin, Divyanshu R Acharya, Andrecovich Mark J, Fitch Frank R, Adeola F Ojo: Gas separation process using composite adsorbent particles. Boc Group, March 7, 2001: EP1080771-A1 (13 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 ...


10
Dongmin Shen, Sudhakar R Jale, Frank R Fitch, Ravi Jain, Arthur I Shirley, Yaping Lu, Divyanshu R Acharya: Activation processes for monolith adsorbents. The BOC Group, Philip H Von Neida, Salvatore P Pace, June 25, 2002: US06409801 (11 worldwide citation)

An improved method for preparing and activating monolith adsorbents is disclosed. A regeneration gas is passed through the formed monolith adsorbent at a temperature sufficient to decompose at least part of the binding agents in the adsorbent. The present invention also provides for the use of the t ...