EP2696973A4 - Katalysator für die herstellung von ehtylenoxid - Google Patents

Katalysator für die herstellung von ehtylenoxid

Info

Publication number
EP2696973A4
EP2696973A4 EP12771758.5A EP12771758A EP2696973A4 EP 2696973 A4 EP2696973 A4 EP 2696973A4 EP 12771758 A EP12771758 A EP 12771758A EP 2696973 A4 EP2696973 A4 EP 2696973A4
Authority
EP
European Patent Office
Prior art keywords
catalyst
production
ethylene oxide
ethylene
oxide
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP12771758.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2696973A1 (de
Inventor
Tobias Rosendahl
Torsten Mäurer
Cornelia Katharina Dobner
Jürgen Zühlke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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
Application filed by BASF SE filed Critical BASF SE
Priority to EP12771758.5A priority Critical patent/EP2696973A4/de
Publication of EP2696973A1 publication Critical patent/EP2696973A1/de
Publication of EP2696973A4 publication Critical patent/EP2696973A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D301/00Preparation of oxiranes
    • C07D301/02Synthesis of the oxirane ring
    • C07D301/03Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
    • C07D301/10Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04Alumina
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48Silver or gold
    • B01J23/50Silver
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/58Platinum group metals with alkali- or alkaline earth metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/64Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652Chromium, molybdenum or tungsten
    • B01J23/6522Chromium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/64Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652Chromium, molybdenum or tungsten
    • B01J23/6525Molybdenum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/64Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652Chromium, molybdenum or tungsten
    • B01J23/6527Tungsten
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/64Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656Manganese, technetium or rhenium
    • B01J23/6567Rhenium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04Sulfides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04Sulfides
    • B01J27/047Sulfides with chromium, molybdenum, tungsten or polonium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04Sulfides
    • B01J27/047Sulfides with chromium, molybdenum, tungsten or polonium
    • B01J27/051Molybdenum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/40Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/55Cylinders or rings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/66Pore distribution
    • B01J35/69Pore distribution bimodal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027Powdering
    • B01J37/0036Grinding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Epoxy Compounds (AREA)
EP12771758.5A 2011-04-14 2012-04-13 Katalysator für die herstellung von ehtylenoxid Withdrawn EP2696973A4 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12771758.5A EP2696973A4 (de) 2011-04-14 2012-04-13 Katalysator für die herstellung von ehtylenoxid

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11162382 2011-04-14
EP12771758.5A EP2696973A4 (de) 2011-04-14 2012-04-13 Katalysator für die herstellung von ehtylenoxid
PCT/IB2012/051837 WO2012140617A1 (de) 2011-04-14 2012-04-13 Katalysator für die herstellung von ehtylenoxid

Publications (2)

Publication Number Publication Date
EP2696973A1 EP2696973A1 (de) 2014-02-19
EP2696973A4 true EP2696973A4 (de) 2014-12-10

Family

ID=47008900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12771758.5A Withdrawn EP2696973A4 (de) 2011-04-14 2012-04-13 Katalysator für die herstellung von ehtylenoxid

Country Status (4)

Country Link
EP (1) EP2696973A4 (enExample)
JP (1) JP2014514960A (enExample)
CN (1) CN103608105A (enExample)
WO (1) WO2012140617A1 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2797715A4 (en) 2011-12-30 2016-04-20 Saint Gobain Ceramics SHAPED ABRASIVE PARTICLE AND METHOD OF FORMING THE SAME
CA3056658C (en) 2012-01-10 2023-07-04 Doruk O. Yener Abrasive particles having complex shapes and methods of forming same
US9108188B2 (en) 2012-03-07 2015-08-18 Chevoron Phillip Chemical Company, LP Selective hydrogenation catalyst and methods of making and using same
CA2907372C (en) 2013-03-29 2017-12-12 Saint-Gobain Abrasives, Inc. Abrasive particles having particular shapes and methods of forming such particles
MX2016002868A (es) * 2013-09-06 2016-08-17 Chevron Phillips Chemical Co Lp Catalizador de hidrogenacion selectiva y metodos para hacer y usar el mismo.
CA3114978A1 (en) 2013-09-30 2015-04-02 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particles and methods of forming same
US9566689B2 (en) 2013-12-31 2017-02-14 Saint-Gobain Abrasives, Inc. Abrasive article including shaped abrasive particles
US9771507B2 (en) 2014-01-31 2017-09-26 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particle including dopant material and method of forming same
CA3123554A1 (en) 2014-04-14 2015-10-22 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
US9914864B2 (en) 2014-12-23 2018-03-13 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particles and method of forming same
US10196551B2 (en) 2015-03-31 2019-02-05 Saint-Gobain Abrasives, Inc. Fixed abrasive articles and methods of forming same
TWI634200B (zh) 2015-03-31 2018-09-01 聖高拜磨料有限公司 固定磨料物品及其形成方法
CA3118262C (en) 2015-06-11 2023-09-19 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
KR102313436B1 (ko) 2016-05-10 2021-10-19 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 연마 입자들 및 그 형성 방법
CN109415615A (zh) 2016-05-10 2019-03-01 圣戈本陶瓷及塑料股份有限公司 磨料颗粒及其形成方法
US11400437B2 (en) * 2016-08-08 2022-08-02 Basf Se Catalyst for the oxidation of ethylene to ethylene oxide
EP4349896A3 (en) 2016-09-29 2024-06-12 Saint-Gobain Abrasives, Inc. Fixed abrasive articles and methods of forming same
US10563105B2 (en) 2017-01-31 2020-02-18 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
US12129422B2 (en) 2019-12-27 2024-10-29 Saint-Gobain Ceramics & Plastics, Inc. Abrasive articles and methods of forming same
CN119238386A (zh) 2019-12-27 2025-01-03 圣戈本陶瓷及塑料股份有限公司 磨料制品及其形成方法
EP4081370A4 (en) 2019-12-27 2024-04-24 Saint-Gobain Ceramics & Plastics Inc. ABRASIVE ARTICLES AND THEIR FORMATION PROCESSES
JP2025500060A (ja) 2021-12-30 2025-01-07 サンーゴバン アブレイシブズ,インコーポレイティド 研磨物品及びそれを形成する方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193412B1 (en) * 1999-02-26 2001-02-27 General Electric Company Method for measurement of the surface polarity of inorganic material
US20090198076A1 (en) * 2006-09-29 2009-08-06 Scientific Design Company, Inc. Catalyst with bimodal pore size distribution and the use thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100859A (en) * 1991-01-22 1992-03-31 Norton Company Catalyst carrier
BRPI0611817A2 (pt) * 2005-06-07 2011-12-20 Saint Gobain Ceramics veìculo catalisador e um processo para preparação do veìculo catalisador
US7977274B2 (en) * 2006-09-29 2011-07-12 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Catalyst with bimodal pore size distribution and the use thereof
JP4267015B2 (ja) * 2006-09-29 2009-05-27 株式会社日本触媒 エチレンオキシド製造用触媒およびエチレンオキシドの製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193412B1 (en) * 1999-02-26 2001-02-27 General Electric Company Method for measurement of the surface polarity of inorganic material
US20090198076A1 (en) * 2006-09-29 2009-08-06 Scientific Design Company, Inc. Catalyst with bimodal pore size distribution and the use thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012140617A1 *

Also Published As

Publication number Publication date
CN103608105A (zh) 2014-02-26
EP2696973A1 (de) 2014-02-19
JP2014514960A (ja) 2014-06-26
WO2012140617A1 (de) 2012-10-18

Similar Documents

Publication Publication Date Title
EP2696973A4 (de) Katalysator für die herstellung von ehtylenoxid
EP2938435A4 (en) CALCINATION PROCESS FOR PREPARING AN IMPROVED ETHYLENE OXIDE CATALYST
EP2552873A4 (en) PREPARATION FOR HEXAFLUOR-2-BUTEN
EP2382040A4 (en) ADIABATIC REACTOR FOR THE PRODUCTION OF OLEFINES
EP2556132A4 (en) PROCESS FOR BIOFUEL PRODUCTION
IT1405680B1 (it) Processo per la produzione di l-fucosio.
HRP20190460T1 (hr) Postupak proizvodnje endotelnih stanica rožnice usmjerenom diferencijacijom
EP2734557A4 (en) PREPARATION OF THERMOREVERSIBLE HYDROGELES FOR THERAPEUTIC APPLICATIONS
EP2630105A4 (en) ethylene oligomerization
EP2571832A4 (en) IMPROVED ALKYLATION PROCESS
EP2686290A4 (en) IMPROVED METHODS FOR THE PRODUCTION OF BIOLOGICALLY OBTAINED PROPYLENE GLYCOL
EP2513073A4 (en) METHOD FOR PRODUCING AN OLEFINOXIDE
EP2656872A4 (en) ELECTRODE PAD FOR IONTOPHORESIS
EP2718304A4 (en) PROCESS FOR PREPARING AN ETHYLENE-ALPHA-OLEFIN-DIEN COPOLYMER
EP2547446A4 (en) METHOD FOR PRODUCING IMPROVED ZEOLITE CATALYSTS FROM PEPTIZED TONERDES
EP2703343A4 (en) PROCESS FOR THE PRODUCTION OF OXIDE / HYDROXIDE
ZA201305012B (en) Process for the production of propylene oxide
EP2958858A4 (en) METHOD FOR PRODUCING ZIRCONIUM COLLOIDS
EP2883548A4 (en) Filaggrin GENE EXPRESSION PROMOTER
IT1398825B1 (it) Macchina per la produzione di manufatti ceramici.
EP2750795A4 (en) CATALYST FOR THE PRODUCTION OF HYDROCARBONS
EP2714670A4 (en) METHOD FOR IMPROVING THE SELECTIVITY OF AN EO CATALYST
EP2794089A4 (en) ETHYLENE DISTANCE MEDIUM
EP2524853A4 (en) STROLLER
EP2688950A4 (en) PREPARATION OF HARDENERS FOR HEAT-HARDENING POLYESTERS

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20131114

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20141110

RIC1 Information provided on ipc code assigned before grant

Ipc: B01J 21/00 20060101AFI20141104BHEP

Ipc: B01J 23/50 20060101ALI20141104BHEP

Ipc: C07D 301/10 20060101ALI20141104BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20171103