1
Frank R Fitch, Martin Bulow, Adeola F Ojo: Adsorptive separation of nitrogen from other gases. The BOC Group, Coleman R Reap, Larry R Cassett, November 7, 1995: US05464467 (40 worldwide citation)

Type X zeolites whose charge-compensating cations are composed of 95 to 50% lithium ions, 4 to 50% of one or more of aluminum, cerium, lanthanum and mixed lanthanides and 0 to 15% of other ions. The zeolites preferentially adsorb nitrogen from gas mixtures.


2
Adeola F Ojo, Frank R Fitch, Martin Bulow: Removal of carbon dioxide from gas streams. The Boc Group, Coleman R Reap, Larry R Cassett, July 2, 1996: US05531808 (35 worldwide citation)

Carbon dioxide is removed from gas streams comprised predominantly of gases that are less polar than carbon dioxide by passing the gas stream through a bed of type X zeolite having a silicon to aluminum atomic ratio not greater than about 1.15, thereby adsorbing the carbon dioxide from the gas strea ...


3
Bao Lian Su, Martin Bulow, Jean Luc Blin, Adeola F Ojo, Sudhakar Jale, Dongmin Shen, Qing Min Wang, Frank R Fitch: Adsorbents and adsorptive separation process. The BOC Group, Philip H Von Neida, Salvatore P Pace, February 26, 2002: US06350298 (35 worldwide citation)

Novel compositions of molecular sieve adsorbents are provided in which at least 50% of the exchangeable cations are selected from those of Li, Ca, Ag and Cu and which have within their pore system metal oxide, metal oxide precursors or mixtures thereof. These compositions are useful for the separati ...


4
Weibin Jiang, Adeola F Ojo, Sudhakar R Jale, Satish S Tamhankar, Bruce Walter Uhlman: Catalyst configuration and methods for syngas production. The BOC Group, Philip H Von Neida, May 8, 2007: US07214331 (17 worldwide citation)

An improved process for the catalytic partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide is disclosed. The process also utilizes a novel catalyst configuration containing at least two serially aligned layers containing a noble metal or transition metal catalyst supported on a ...


5
Adeola F Ojo, Frank R Fitch, Martin Bulow: Adsorptive separation of nitrogen from other gases. The BOC Group, Coleman R Reap, Larry R Cassett, April 1, 1997: US05616170 (13 worldwide citation)

Chabazite, offretite, erionite, levyne, mordenite, gmelinite, zeolite A, zeolite T, EMC-2, ZSM-3, ZSM-18, ZK-5, zeolite L, and beta zeolite whose exchangeable cations are composed of 95 to 50% lithium ions, 4 to 50% of one or more of aluminum, cerium, lanthanum and mixed lanthanides and 0 to 15% of ...


6
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 ...


7
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 ...


8
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 ...


9
Adeola F Ojo, Frank R Fitch, Martin Bülow, Craig S Gittleman, Sudhakar R Jale: Synthesis of low silicon sodium X zeolite. The BOC Group, Philip H Von Neida, Salvatore P Pace, July 22, 2003: US06596256 (7 worldwide citation)

Low silicon sodium X zeolite containing little or no sodium A zeolite as by-product, is prepared by direct synthesis from sodium ion-containing hydrogels, the crystallization step being carried out by maintaining the hydrogels at a temperature below about 70° C., and preferably in the range of about ...


10
Alfons Brandt, Baldur Unger, Hartmut Tschritter, Martin Bülow, Frank R Fitch, Adeola F Ojo: Method of manufacture of multicationic molecular sieves. The BOC Group, Chemiewerk Bad Köstritz, Philip H Von Neida, Salvatore P Pace, June 18, 2002: US06407025 (3 worldwide citation)

Zeolites exchanged with lithium cations and polyvalent cations are prepared by first partially ion-exchanging a sodium-containing zeolite, a potassium-containing zeolite or a sodium- and potassium-containing zeolite with polyvalent cations, then heat-treating the partially polyvalent cation-exchange ...