WO1996033013A3 - Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor - Google Patents

Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor Download PDF

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Publication number
WO1996033013A3
WO1996033013A3 PCT/US1996/005303 US9605303W WO9633013A3 WO 1996033013 A3 WO1996033013 A3 WO 1996033013A3 US 9605303 W US9605303 W US 9605303W WO 9633013 A3 WO9633013 A3 WO 9633013A3
Authority
WO
WIPO (PCT)
Prior art keywords
particle
adsorbent
catalytic
room temperature
enhanced
Prior art date
Application number
PCT/US1996/005303
Other languages
French (fr)
Other versions
WO1996033013A2 (en
Inventor
Mark L Moskovitz
Bryan E Kepner
Original Assignee
M & K Patent Co Inc
Mark L Moskovitz
Bryan E Kepner
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to BR9608145-7A priority Critical patent/BR9608145A/en
Application filed by M & K Patent Co Inc, Mark L Moskovitz, Bryan E Kepner filed Critical M & K Patent Co Inc
Priority to JP8531877A priority patent/JPH11503964A/en
Priority to CA002227428A priority patent/CA2227428A1/en
Priority to NZ306840A priority patent/NZ306840A/en
Priority to AU55516/96A priority patent/AU710253B2/en
Priority to EP96912834A priority patent/EP0865315A2/en
Priority to US08/734,330 priority patent/US5948726A/en
Priority to US08/734,329 priority patent/US5955393A/en
Publication of WO1996033013A2 publication Critical patent/WO1996033013A2/en
Publication of WO1996033013A3 publication Critical patent/WO1996033013A3/en
Priority to US09/202,369 priority patent/US6342191B1/en
Priority to US09/282,966 priority patent/US6338830B1/en
Priority to US09/733,805 priority patent/US20010009884A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/34—Regenerating or reactivating
    • B01J20/3441—Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/081—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing particle radiation or gamma-radiation
    • B01J19/085—Electron beams only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/02—Feed or outlet devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B01J37/344—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of electromagnetic wave energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B01J37/347—Ionic or cathodic spraying; Electric discharge
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/354—After-treatment
    • C01B32/36—Reactivation or regeneration
    • C01B32/366—Reactivation or regeneration by physical processes, e.g. by irradiation, by using electric current passing through carbonaceous feedstock or by using recyclable inert heating bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2219/00112—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling involving reactant solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00162—Controlling or regulating processes controlling the pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00177—Controlling or regulating processes controlling the pH

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Catalysts (AREA)

Abstract

A method for producing an enhanced adsorbent and/or enhanced catalytic particle and/or for producing a catalytic particle, comprising the steps of: (a) removing an effective amount of air from a closed chamber containing an adsorbent and/or catalytic particle, wherein the resultant chamber pressure is less than one atmosphere; (b) raising the chamber pressure with an inert gas to at least one atmosphere; (c) contacting the particle with an energy beam of sufficient energy for a sufficient time to thereby enhance the adsorbent and/or catalytic properties of the particle and/or produce catalytic properties in the particle. A continuous process directed to step (c) alone is also provided. Also disclosed are adsorbent and/or catalytic particles, methods of contaminant reduction or elimination, including room temperature catalysis, particle binders, apparatuses of the present invention, and methods of increasing the surface area of adsorbent and/or catalytic particles.
PCT/US1996/005303 1994-12-07 1996-04-17 Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor WO1996033013A2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
EP96912834A EP0865315A2 (en) 1995-04-21 1996-04-17 Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor
JP8531877A JPH11503964A (en) 1995-04-21 1996-04-17 Enhanced adsorbent and room temperature catalyst particles and methods of making and using same
CA002227428A CA2227428A1 (en) 1995-04-21 1996-04-17 Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor
NZ306840A NZ306840A (en) 1995-04-21 1996-04-17 Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor
AU55516/96A AU710253B2 (en) 1995-04-21 1996-04-17 Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor
BR9608145-7A BR9608145A (en) 1995-04-21 1996-04-17 Intensified adsorbent and particulate catalytically at room temperature and manufacturing process and use
US08/734,330 US5948726A (en) 1994-12-07 1996-10-21 Adsorbent and/or catalyst and binder system and method of making therefor
US08/734,329 US5955393A (en) 1995-04-21 1996-10-21 Enhanced adsorbent and room temperature catalyst particle and method of making therefor
US09/202,369 US6342191B1 (en) 1994-12-07 1997-06-09 Anchored catalyst system and method of making and using thereof
US09/282,966 US6338830B1 (en) 1994-12-07 1999-03-31 Absorbent and/or catalyst and binder system and method of making and using therefor
US09/733,805 US20010009884A1 (en) 1994-12-07 2000-12-07 Adsorbent and/or catalyst and binder system and method of making and using therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42698195A 1995-04-21 1995-04-21
US08/426,981 1995-04-21

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
US42698195A Continuation-In-Part 1994-12-07 1995-04-21
PCT/US1995/015829 Continuation-In-Part WO1996017682A1 (en) 1994-12-07 1995-12-06 Acid contacted enhanced adsorbent particle and method of making and using therefor

Related Child Applications (4)

Application Number Title Priority Date Filing Date
US42698195A Continuation-In-Part 1994-12-07 1995-04-21
US66233196A Continuation-In-Part 1994-12-07 1996-06-12
US08/734,329 Continuation-In-Part US5955393A (en) 1995-04-21 1996-10-21 Enhanced adsorbent and room temperature catalyst particle and method of making therefor
US08/734,330 Continuation-In-Part US5948726A (en) 1994-12-07 1996-10-21 Adsorbent and/or catalyst and binder system and method of making therefor

Publications (2)

Publication Number Publication Date
WO1996033013A2 WO1996033013A2 (en) 1996-10-24
WO1996033013A3 true WO1996033013A3 (en) 1996-12-05

Family

ID=23692990

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/005303 WO1996033013A2 (en) 1994-12-07 1996-04-17 Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor

Country Status (11)

Country Link
EP (1) EP0865315A2 (en)
JP (1) JPH11503964A (en)
KR (1) KR19990007944A (en)
AU (1) AU710253B2 (en)
BR (1) BR9608145A (en)
CA (1) CA2227428A1 (en)
IL (1) IL117963A (en)
NZ (1) NZ306840A (en)
PL (1) PL322886A1 (en)
WO (1) WO1996033013A2 (en)
ZA (1) ZA963056B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6342191B1 (en) 1994-12-07 2002-01-29 Apyron Technologies, Inc. Anchored catalyst system and method of making and using thereof
US5948726A (en) * 1994-12-07 1999-09-07 Project Earth Industries, Inc. Adsorbent and/or catalyst and binder system and method of making therefor
US5985790A (en) * 1994-12-07 1999-11-16 Project Earth Industries, Inc. Method of making acid contacted enhanced aluminum oxide adsorbent particle
US5955393A (en) * 1995-04-21 1999-09-21 Project Earth Industries, Inc. Enhanced adsorbent and room temperature catalyst particle and method of making therefor
JP2002045648A (en) * 2000-05-23 2002-02-12 Sumitomo Chem Co Ltd Method for treating exhaust gas and device used for the method
FR2868964B1 (en) * 2004-04-15 2007-03-16 Robert Devidal METHOD AND DEVICE FOR PROCESSING A VOLUME OF ACTIVE COAL PARTICLES
BR112012031526A2 (en) * 2010-06-10 2017-05-16 Multisorb Tech Inc Oxygen absorber and method of absorbing oxygen
CA2859505C (en) * 2011-12-22 2020-12-29 3M Innovative Properties Company Filtration medium comprising a metal-containing particulate
CN103433054B (en) * 2013-08-13 2016-01-20 桐乡市健民过滤材料有限公司 A kind of except formaldehyde composite catalyst and preparation method thereof
KR101683037B1 (en) * 2015-06-26 2016-12-06 한국화학연구원 Composition for eliminating formaldehyde and formaldehyde-eliminating method using the same
CN111330591A (en) * 2020-04-09 2020-06-26 合肥工业大学 Material for catalyzing and oxidizing formaldehyde at room temperature and preparation method thereof
CN114177915A (en) * 2021-11-30 2022-03-15 国网福建省电力有限公司电力科学研究院 Preparation method and application of adsorption-catalysis bifunctional porous material
CN115028293A (en) * 2022-07-19 2022-09-09 东北大学 Method for treating cyanide-containing wastewater by using manganese dioxide in synergistic oxidation mode

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB894625A (en) * 1957-05-17 1962-04-26 Nat Res Dev Improvements in and relating to the treatment and use of iron oxide catalysts
FR2124623A1 (en) * 1971-02-10 1972-09-22 Atomic Energy Commission Olefin oxide prepn - using an irradiated silver or gold catalyst
US3803010A (en) * 1971-09-10 1974-04-09 American Cyanamid Co Process for improving hydrogenation catalyst by irradiation
US3890245A (en) * 1972-07-12 1975-06-17 Atomenergi Inst For Procedure for increasing the chemisorption capacity of carbon with regard to gases
FR2318680A1 (en) * 1975-07-22 1977-02-18 Shell Int Research Supported metal catalyst prodn. using oxidn. stage - giving acid or basic oxide gps. on polycrystalline graphite to increase activity
JPS54141375A (en) * 1978-04-26 1979-11-02 Akira Kuwata Ozone absorber
JPS56121637A (en) * 1980-03-03 1981-09-24 Mitsui Mining & Smelting Co Ltd Alumina liquid composition for coating catalyst carrier
US4349637A (en) * 1980-04-21 1982-09-14 Kennecott Corporation Alumina binder for fiber containing alumina
US4442223A (en) * 1979-12-17 1984-04-10 Mobil Oil Corporation Catalyst and catalyst support compositions
JPH01164781A (en) * 1987-12-18 1989-06-28 Mitsubishi Electric Corp Local heat treatment with beam
WO1993005879A1 (en) * 1991-09-27 1993-04-01 North Carolina Center For Scientific Research, Inc. Catalyst prepared using irradiation
DE4420614A1 (en) * 1994-06-13 1995-12-14 Smc Spezialmaterialien Zur Flu Molecular sieve and method and apparatus for making the same

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB894625A (en) * 1957-05-17 1962-04-26 Nat Res Dev Improvements in and relating to the treatment and use of iron oxide catalysts
FR2124623A1 (en) * 1971-02-10 1972-09-22 Atomic Energy Commission Olefin oxide prepn - using an irradiated silver or gold catalyst
US3803010A (en) * 1971-09-10 1974-04-09 American Cyanamid Co Process for improving hydrogenation catalyst by irradiation
US3890245A (en) * 1972-07-12 1975-06-17 Atomenergi Inst For Procedure for increasing the chemisorption capacity of carbon with regard to gases
FR2318680A1 (en) * 1975-07-22 1977-02-18 Shell Int Research Supported metal catalyst prodn. using oxidn. stage - giving acid or basic oxide gps. on polycrystalline graphite to increase activity
JPS54141375A (en) * 1978-04-26 1979-11-02 Akira Kuwata Ozone absorber
US4442223A (en) * 1979-12-17 1984-04-10 Mobil Oil Corporation Catalyst and catalyst support compositions
JPS56121637A (en) * 1980-03-03 1981-09-24 Mitsui Mining & Smelting Co Ltd Alumina liquid composition for coating catalyst carrier
US4349637A (en) * 1980-04-21 1982-09-14 Kennecott Corporation Alumina binder for fiber containing alumina
JPH01164781A (en) * 1987-12-18 1989-06-28 Mitsubishi Electric Corp Local heat treatment with beam
WO1993005879A1 (en) * 1991-09-27 1993-04-01 North Carolina Center For Scientific Research, Inc. Catalyst prepared using irradiation
DE4420614A1 (en) * 1994-06-13 1995-12-14 Smc Spezialmaterialien Zur Flu Molecular sieve and method and apparatus for making the same

Non-Patent Citations (5)

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Title
DATABASE WPI Week 7950, Derwent World Patents Index; AN 79-90154B, XP002015790 *
DATABASE WPI Week 8932, Derwent World Patents Index; AN 89-230452, XP002008678 *
DATABASE WPI Week 9050, Derwent World Patents Index; AN 90-373882, XP002015789 *
J.J.CARBERRY: "WHY RADIATION INCREASES EO CATALYST SELECTIVITY", CHEMTECH, vol. 3, no. 4, April 1973 (1973-04-01), pages 237 - 241, XP002008677 *
PATENT ABSTRACTS OF JAPAN vol. 5, no. 200 (C - 084) *

Also Published As

Publication number Publication date
EP0865315A2 (en) 1998-09-23
CA2227428A1 (en) 1996-10-24
ZA963056B (en) 1997-11-05
IL117963A (en) 2001-04-30
IL117963A0 (en) 1996-08-04
JPH11503964A (en) 1999-04-06
NZ306840A (en) 1999-08-30
MX9708060A (en) 1998-08-30
KR19990007944A (en) 1999-01-25
PL322886A1 (en) 1998-03-02
AU5551696A (en) 1996-11-07
BR9608145A (en) 1999-12-07
AU710253B2 (en) 1999-09-16
WO1996033013A2 (en) 1996-10-24

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