JPH0667475B2 - 酸化エチレン用銀含有触媒の製造方法 - Google Patents

酸化エチレン用銀含有触媒の製造方法

Info

Publication number
JPH0667475B2
JPH0667475B2 JP1024136A JP2413689A JPH0667475B2 JP H0667475 B2 JPH0667475 B2 JP H0667475B2 JP 1024136 A JP1024136 A JP 1024136A JP 2413689 A JP2413689 A JP 2413689A JP H0667475 B2 JPH0667475 B2 JP H0667475B2
Authority
JP
Japan
Prior art keywords
alumina
silver
catalyst
carrier
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.)
Expired - Lifetime
Application number
JP1024136A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0256246A (ja
Inventor
ジン・ジクアン
ジン・グオクアン
ス・ヨン
シャン・リアンディ
ルオ・グオチュン
Original Assignee
ツオングオシヨファゴンツオンゴンシ
ベイジン・ヤンシャンシヨファゴンヤンジウユアン
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 ツオングオシヨファゴンツオンゴンシ, ベイジン・ヤンシャンシヨファゴンヤンジウユアン filed Critical ツオングオシヨファゴンツオンゴンシ
Publication of JPH0256246A publication Critical patent/JPH0256246A/ja
Publication of JPH0667475B2 publication Critical patent/JPH0667475B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08—Synthesis 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
    • C07D301/10—Synthesis 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
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts 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
    • B01J23/66—Silver or gold
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP1024136A 1988-02-03 1989-02-03 酸化エチレン用銀含有触媒の製造方法 Expired - Lifetime JPH0667475B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN88100400A CN1009437B (zh) 1988-02-03 1988-02-03 乙烯氧化制环氧乙烷高效银催化剂
CN88100400.6 1988-02-03

Publications (2)

Publication Number Publication Date
JPH0256246A JPH0256246A (ja) 1990-02-26
JPH0667475B2 true JPH0667475B2 (ja) 1994-08-31

Family

ID=4831321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1024136A Expired - Lifetime JPH0667475B2 (ja) 1988-02-03 1989-02-03 酸化エチレン用銀含有触媒の製造方法

Country Status (6)

Country Link
US (1) US5063195A (enExample)
EP (1) EP0327356B1 (enExample)
JP (1) JPH0667475B2 (enExample)
CN (1) CN1009437B (enExample)
DE (1) DE68921777T2 (enExample)
IN (1) IN171804B (enExample)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59003342D1 (de) * 1989-11-09 1993-12-09 Huels Chemische Werke Ag Silberkatalysator für die Oxidation von Ethylen und Verfahren zu seiner Herstellung.
US5173469A (en) * 1989-11-09 1992-12-22 Huels Aktiengesellschaft Silver catalyst suitable for oxidation of ethylene and process for the production of the catalyst
DE4106508A1 (de) * 1991-03-01 1992-09-03 Basf Ag Silberkatalysator
DE4311608A1 (de) * 1993-04-08 1994-12-15 Huels Chemische Werke Ag Silberkatalysator zur Oxidation von Ethylen zu Ethylenoxid und Verfahren zur Herstellung von Ethylenoxid
US5380697A (en) * 1993-09-08 1995-01-10 Shell Oil Company Ethylene oxide catalyst and process
WO1996023585A1 (en) * 1995-02-01 1996-08-08 Shell Internationale Research Maatschappij B.V. Alkylene oxide catalyst and process
US5739075A (en) * 1995-10-06 1998-04-14 Shell Oil Company Process for preparing ethylene oxide catalysts
US5801259A (en) * 1996-04-30 1998-09-01 Shell Oil Company Ethylene oxide catalyst and process
DE69924453T2 (de) * 1998-11-17 2006-02-16 Nippon Shokubai Co., Ltd. Katalysatorträger zur Verwendung in der Herstellung von Ethylenoxid
US6831037B2 (en) * 2002-02-25 2004-12-14 Saint-Gobain Norpro Corporation Catalyst carriers
WO2003072246A2 (en) * 2002-02-25 2003-09-04 Shell Internationale Research Maatschappij B.V. Supported silver catalyst and an epoxidation process using the catalyst
US6987080B2 (en) * 2002-03-01 2006-01-17 Scientific Design Company, Inc. Ethylene oxide catalyst carrier preparation
RU2311229C2 (ru) * 2002-06-28 2007-11-27 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Способ запуска процесса эпоксидирования, катализатор и процесс эпоксидирования олефина
RU2342993C2 (ru) * 2003-05-07 2009-01-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Катализаторы, содержащие серебро, получение таких катализаторов и их применение
US20040224841A1 (en) 2003-05-07 2004-11-11 Marek Matusz Silver-containing catalysts, the manufacture of such silver-containing catalysts, and the use thereof
US8148555B2 (en) * 2003-06-26 2012-04-03 Shell Oil Company Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin
CA2538989A1 (en) * 2003-08-22 2005-03-17 Union Carbide Chemicals & Plastics Technology Corporation Modified alumina carriers and silver-based catalysts for the production of alkylene oxides
CN101757914A (zh) * 2003-10-16 2010-06-30 陶氏技术投资有限责任公司 用于烯化氧制备的具有提高稳定性、效率和/或活性的催化剂
TW200600190A (en) 2004-04-01 2006-01-01 Shell Int Research Process for preparing a silver catalyst, the catalyst, and use thereof in olefin oxidation
TW200616989A (en) * 2004-06-18 2006-06-01 Shell Int Research A process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine
ATE554080T1 (de) 2004-06-18 2012-05-15 Shell Int Research Verfahren zur herstellung eines olefinoxids, 1,2- diols, a 1,2-diolethers oder alkanolamins
BRPI0514207A (pt) * 2004-08-12 2008-06-03 Shell Int Research método para a preparação de um catalisador moldado, o catalisador, e uso do catalisador
KR20070058576A (ko) * 2004-09-01 2007-06-08 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 올레핀 에폭시화 방법, 이 방법에 사용되는 촉매, 이촉매의 제조에 사용되는 담체, 및 이 담체의 제조방법
US8536083B2 (en) * 2004-09-01 2013-09-17 Shell Oil Company Olefin epoxidation process, a catalyst for use in the process, a carrier for use in preparing the catalyst, and a process for preparing the carrier
AU2005289799A1 (en) 2004-09-24 2006-04-06 Shell Internationale Research Maatschappij B.V. A process for selecting shaped particles, a process for installing a system, a process for reacting a gaseous feedstock in such a system, a computer program product, and a computer system
JP5063367B2 (ja) * 2005-02-21 2012-10-31 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー オレフィンエポキシ化方法、この方法において使用する触媒、この触媒を作製する際に使用する担体、およびこの担体を作製する方法
US7507844B2 (en) * 2005-05-09 2009-03-24 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Nanometer scale restructuring of alumina carrier surface and catalysts for the production of alkene oxides
BRPI0611817A2 (pt) 2005-06-07 2011-12-20 Saint Gobain Ceramics veìculo catalisador e um processo para preparação do veìculo catalisador
WO2006133183A2 (en) * 2005-06-07 2006-12-14 Shell Internationale Research Maatschappij B.V. A catalyst, a process for preparing the catalyst, and a process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine
US8791280B2 (en) * 2005-08-10 2014-07-29 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Process for preparation of catalyst carrier and its use in catalyst preparation
ATE509002T1 (de) 2006-07-21 2011-05-15 Dow Global Technologies Llc Verbessertes dieselpartikelfilter
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
MX2009004622A (es) * 2006-11-01 2009-05-15 Dow Global Technologies Inc Cuerpos porosos con forma de alfa-alumina y metodos para la preparacion de los mismos.
BRPI0811305B1 (pt) 2007-05-09 2020-02-27 Shell Internationale Research Maatschappij B.V. Catalisador de epoxidação, um processo para preparação do catalisador e um processo para a produção de um óxido de olefina, um 1,2-diol, um éter de 1,2-diol, um 1,2-carbonato ou uma alcanolamina
US7507845B1 (en) * 2007-08-27 2009-03-24 Sd Lizenzverwertungsgesellschaft Mbh & Co Kg Process for production of an olefin oxide
US7714152B2 (en) * 2007-08-30 2010-05-11 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Carrier for olefin oxide catalyst
US20110054196A1 (en) * 2008-03-26 2011-03-03 Nippon Shokubai Co., Ltd. Catalyst for production of ethylene oxide, and method for production of ethylene oxide using the catalyst
WO2009137427A2 (en) * 2008-05-07 2009-11-12 Shell Oil Company A process for the start-up of an epoxidation process, a process for the production of ethylene oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine
KR101629038B1 (ko) 2008-05-07 2016-06-09 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 산화올레핀, 1,2-디올, 1,2-디올 에테르, 1,2-카보네이트 또는 알칸올아민의 생산방법
WO2010007011A1 (en) * 2008-07-14 2010-01-21 Basf Se Process for making ethylene oxide
JP5101428B2 (ja) * 2008-08-05 2012-12-19 株式会社日本触媒 エチレンオキシド製造用触媒の充填方法、エチレンオキシド製造用反応器およびエチレンオキシドの製造方法
EP2421839B1 (en) 2009-04-21 2014-05-07 Dow Technology Investments LLC Methods for enhancing the efficiency of rhenium-promoted epoxidation catalysts and epoxidation methods utilizing these
CA2759496C (en) * 2009-04-21 2018-05-01 Dow Technology Investments Llc Epoxidation reactions and operating conditions thereof
US8524927B2 (en) 2009-07-13 2013-09-03 Velocys, Inc. Process for making ethylene oxide using microchannel process technology
JP2012522061A (ja) 2009-12-28 2012-09-20 ダウ テクノロジー インベストメンツ リミティド ライアビリティー カンパニー アルキレンオキサイドの製造における銀触媒上への塩化銀の生成の制御方法
WO2011116157A1 (en) 2010-03-17 2011-09-22 Dow Technology Investments Llc Catalytic fixed bed reactor for producing ethylene oxide by partial oxidation of ethylene
CN102397795B (zh) * 2010-09-13 2014-03-19 中国石油化工股份有限公司 环氧乙烷生产用银催化剂的载体、其制备方法、由其制成的银催化剂及其应用
CN102441435B (zh) 2010-09-30 2014-01-01 中国石油化工股份有限公司 制备银催化剂用氧化铝载体的方法、由此得到的载体及其应用
CN102463141B (zh) 2010-11-02 2015-05-06 中国石油化工股份有限公司 一种氧化铝载体、其制备方法、由其制成的银催化剂及其应用
KR101886462B1 (ko) 2010-12-10 2018-08-07 다우 테크놀로지 인베스트먼츠 엘엘씨. 고효율 촉매를 사용하는 알킬렌 옥사이드 제조 방법에서 알킬렌 옥사이드 생산 변수의 값을 감소시키는 방법
US8987483B2 (en) 2010-12-15 2015-03-24 Dow Technology Investments Llc Method of starting-up a process of producing an alkylene oxide using a high-efficiency catalyst
US9134213B2 (en) 2011-05-30 2015-09-15 Dow Technology Investments Llc Methods for testing structures, and selection methods using these
EP2718009B1 (en) 2011-06-06 2021-09-08 Dow Technology Investments LLC Methods for producing epoxidation catalysts
CA2853566C (en) 2011-10-31 2021-01-05 Dow Technology Investments, Llc Methods for producing epoxidation catalysts and epoxidation methods utilizing these
US9181207B2 (en) 2011-12-09 2015-11-10 Dow Technology Investments Llc Method of reducing or maintaining the value of an alkylene oxide production parameter in a process of making an alkylene oxide using a high efficiency catalyst
WO2013095888A1 (en) 2011-12-19 2013-06-27 Dow Technology Investments Llc Method of formulating alkylene oxide catalyst in relation to catalyst reference properties
JP2015516929A (ja) * 2012-03-02 2015-06-18 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 多孔性無機体
US9468906B2 (en) 2012-03-02 2016-10-18 Basf Se Porous inorganic body
CA2867506C (en) 2012-03-27 2020-08-18 Dow Technology Investments Llc Method of making a manganese containing supported silver catalyst intermediate
CN103816941B (zh) * 2012-11-19 2016-03-30 中国石油化工股份有限公司 一种α-氧化铝载体及其制备方法
RU2017144427A (ru) * 2015-06-02 2019-07-09 Сайентифик Дизайн Компани, Инк. Пористые тела с улучшенной архитектурой пор
TWI772322B (zh) 2016-09-02 2022-08-01 美商陶氏科技投資有限公司 製備環氧化催化劑之方法
PL3548471T3 (pl) 2016-12-02 2021-10-25 Shell Internationale Research Maatschappij B.V. Sposoby kondycjonowania katalizatora epoksydowania etylenu oraz powiązane sposoby wytwarzania tlenku etylenu
US10449520B2 (en) 2017-05-15 2019-10-22 Scientific Design Company, Inc. Porous bodies with enhanced crush strength
CN109107553B (zh) * 2017-06-23 2021-04-13 中国石油化工股份有限公司 氧化铝载体及其制备方法和银催化剂及应用
CN107902745B (zh) * 2017-11-30 2021-08-17 浙江奇彩环境科技股份有限公司 一种垃圾渗滤液浓水的处理方法
SG11202005995SA (en) 2017-12-28 2020-07-29 Dow Technology Investments Llc Process for preparing an epoxidation catalyst
US10676401B2 (en) 2018-04-23 2020-06-09 Scientific Design Company, Inc. Porous bodies with enhanced pore architecture prepared with oxalic acid
CN112206798B (zh) * 2020-10-29 2022-03-22 润和催化材料(浙江)有限公司 一种乙烯氧化制环氧乙烷的银催化剂及其制备方法和应用
CN115475609A (zh) * 2021-06-15 2022-12-16 中国石油化工股份有限公司 一种具有高稳定性的α-氧化铝载体与银催化剂和烯烃环氧化方法
WO2025189084A1 (en) * 2024-03-08 2025-09-12 Scientific Design Llc Methods of forming substantially all platelet alumina powders and alumina carriers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172893A (en) * 1964-08-27 1965-03-09 Ethylene oxtoationximproved s silver catalyst
US4012425A (en) * 1972-01-07 1977-03-15 Shell Oil Company Ethylene oxide process
FR2179967B1 (enExample) * 1972-04-13 1978-03-03 Norton Co
GB1465523A (en) * 1973-01-26 1977-02-23 Norton Co Low surface area alumina
US4066575A (en) * 1976-07-26 1978-01-03 Halcon International, Inc. Process for the preparation of a supported silver catalyst
FR2396588A1 (fr) * 1977-07-08 1979-02-02 Ugine Kuhlmann Catalyseurs a base d'argent pour la production d'oxyde d'olefines
US4379134A (en) * 1981-02-13 1983-04-05 Union Carbide Corporation Process of preparing high purity alumina bodies
US4575494A (en) * 1984-02-08 1986-03-11 The Dow Chemical Company Alumina compositions useful as catalyst supports for ethylene oxidation
DE3669668D1 (de) * 1985-07-31 1990-04-26 Ici Plc Verfahren zur aktivierung der katalysatoren zur herstellung von alkylenoxiden.
GB8611121D0 (en) * 1986-05-07 1986-06-11 Shell Int Research Silver catalyst
JPH084745B2 (ja) * 1986-05-09 1996-01-24 三菱化学株式会社 エチレンオキシド製造用銀触媒

Also Published As

Publication number Publication date
EP0327356A1 (en) 1989-08-09
DE68921777T2 (de) 1995-11-23
EP0327356B1 (en) 1995-03-22
JPH0256246A (ja) 1990-02-26
CN1034678A (zh) 1989-08-16
CN1009437B (zh) 1990-09-05
IN171804B (enExample) 1993-01-09
US5063195A (en) 1991-11-05
DE68921777D1 (de) 1995-04-27

Similar Documents

Publication Publication Date Title
JPH0667475B2 (ja) 酸化エチレン用銀含有触媒の製造方法
JP3727653B2 (ja) エポキシ化触媒及び方法
TW344675B (en) Epoxidation catalyst and process
JP3295433B2 (ja) 触媒担体
EP1478458B1 (en) Catalyst carriers
WO2007085206A1 (en) A carrier for olefin oxidation catalyst, preparation method and application thereof
CN105080617B (zh) 一种氧化铝载体的制备方法及其应用
JP2003144932A (ja) 酸化エチレン製造用触媒、その製造方法および当該触媒による酸化エチレンの製造方法
CN1050181A (zh) 通过气相催化氧化丙烯制备丙烯醛的方法
CN106955693B (zh) 乙烯环氧化用银催化剂的α-氧化铝载体及其制备与应用
JPH11507007A (ja) 触媒担体
CN113242767A (zh) 制氯用氧化钌负载型催化剂的制备方法及由其制备的催化剂
CN108855238A (zh) 多孔氧化铝载体及其制备方法与银催化剂及应用
CN108855239A (zh) 多孔氧化铝载体及其制备方法与银催化剂及应用
CN108686712B (zh) 改性α-氧化铝载体及其制备方法和银催化剂及应用
CN1101272C (zh) 一种氧化铝载体的制造方法及其用途
CN107442109B (zh) 一种银催化剂载体、其制备方法及应用
CN106955692B (zh) 一种α-氧化铝载体、由其制备的银催化剂及其应用
CN115364835B (zh) 一种改性α-氧化铝载体和银催化剂及应用
CN114425373B (zh) 一种α-氧化铝载体及制备方法和银催化剂与应用
CN108607617B (zh) 一种制备用于银催化剂的氧化铝载体的方法及银催化剂
JP4726349B2 (ja) 酸化エチレン製造用触媒、その製造方法および当該触媒による酸化エチレンの製造方法
CN115364833A (zh) 一种α-氧化铝载体及其制备方法、乙烯环氧化用银催化剂及乙烯氧化方法
CN113526975B (zh) 一种具有梯度结构的氧化铝载体材料及其3d打印成型方法
JP3636912B2 (ja) エチレンオキシド製造用触媒の製造方法

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090831

Year of fee payment: 15

EXPY Cancellation because of completion of term
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090831

Year of fee payment: 15