HK1014534A1 - Process for preparing aromatic arboxylic acids with efficient energy recovery - Google Patents

Process for preparing aromatic arboxylic acids with efficient energy recovery

Info

Publication number
HK1014534A1
HK1014534A1 HK98115906A HK98115906A HK1014534A1 HK 1014534 A1 HK1014534 A1 HK 1014534A1 HK 98115906 A HK98115906 A HK 98115906A HK 98115906 A HK98115906 A HK 98115906A HK 1014534 A1 HK1014534 A1 HK 1014534A1
Authority
HK
Hong Kong
Prior art keywords
energy recovery
efficient energy
preparing aromatic
arboxylic acids
acids
Prior art date
Application number
HK98115906A
Other languages
English (en)
Inventor
Kenneth J Abrams
Original Assignee
Bp Amoco Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23257546&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1014534(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bp Amoco Corp filed Critical Bp Amoco Corp
Publication of HK1014534A1 publication Critical patent/HK1014534A1/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • 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
    • Y02P20/10—Process efficiency
    • 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
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/06—Reactor-distillation
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/17—Saline water conversion
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/21—Acrylic acid or ester

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
HK98115906A 1994-10-14 1998-12-28 Process for preparing aromatic arboxylic acids with efficient energy recovery HK1014534A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32304794A 1994-10-14 1994-10-14
PCT/US1995/012255 WO1996011899A1 (en) 1994-10-14 1995-09-22 Process for preparing aromatic carboxylic acids with efficient energy recovery

Publications (1)

Publication Number Publication Date
HK1014534A1 true HK1014534A1 (en) 1999-09-30

Family

ID=23257546

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98115906A HK1014534A1 (en) 1994-10-14 1998-12-28 Process for preparing aromatic arboxylic acids with efficient energy recovery

Country Status (21)

Country Link
US (2) US5612007A (de)
EP (1) EP0734372B8 (de)
JP (2) JPH09511253A (de)
KR (1) KR100397242B1 (de)
CN (1) CN1083417C (de)
AT (1) ATE193516T1 (de)
AU (1) AU703997B2 (de)
BR (1) BR9506413A (de)
CA (1) CA2178346C (de)
DE (1) DE69517301T3 (de)
EG (1) EG20931A (de)
ES (1) ES2145927T5 (de)
HK (1) HK1014534A1 (de)
MX (1) MX9602364A (de)
MY (1) MY113200A (de)
NZ (1) NZ294161A (de)
SA (1) SA95160315B1 (de)
TR (1) TR199501268A2 (de)
TW (1) TW384283B (de)
WO (1) WO1996011899A1 (de)
ZA (1) ZA957905B (de)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5510521A (en) * 1995-03-27 1996-04-23 Eastman Chemical Company Process for the production of aromatic carboxylic acids
CN1163693C (zh) * 1995-06-05 2004-08-25 纳幕尔杜邦公司 废气处理方法
US5961942A (en) * 1995-06-05 1999-10-05 E. I. Du Pont De Nemours And Company Effluent gas treatment
EP0879221A1 (de) * 1996-01-25 1998-11-25 E.I. Du Pont De Nemours And Company Herstellung von aromatischen karbonsäuren
DE19615886C1 (de) 1996-04-22 1997-07-31 Huels Chemische Werke Ag Verfahren zur Herstellung von rohem Dimethylterephthalat
JP3757995B2 (ja) * 1996-07-12 2006-03-22 三菱瓦斯化学株式会社 高純度イソフタル酸の製造方法
MY118293A (en) * 1996-07-12 2004-09-30 Mitsubishi Gas Chemical Co Process for the production of high-purity isophthalic acid
US6137001A (en) * 1998-02-11 2000-10-24 Bp Amoco Corporation Process for preparing aromatic carboxylic acids with efficient treatments of gaseous effluent
KR20000005733A (ko) * 1998-06-05 2000-01-25 나까니시 히로유끼 방향족카복실산의제조방법
IT1311976B1 (it) * 1999-03-25 2002-03-22 Franco Codignola Procedimento per la produzione di acidi aromatici.
DE60002597T2 (de) * 1999-10-13 2004-08-05 Sulzer Chemtech Ag Verfahren für die hydrolytische herstellung einer carbonsäure und eines alkohols ausgehend vom entsprechenden carboxylat
JP2003520263A (ja) * 2000-01-21 2003-07-02 ビーピー・コーポレーション・ノース・アメリカ・インコーポレーテッド 安息香酸・水溶剤中での酸化による高純度芳香族カルボン酸の製造
IT1319169B1 (it) 2000-07-14 2003-09-26 Eurotecnica Dev & Licensing Sr Procedimento per la purificazione di acidi carbossilici aromatici.
JP4809534B2 (ja) * 2001-01-22 2011-11-09 三菱瓦斯化学株式会社 芳香族カルボン酸の製造法
US6504051B1 (en) 2001-06-04 2003-01-07 Eastman Chemical Company Process for production of aromatic carboxylic acids with improved water removal technique
US6852879B2 (en) * 2001-10-05 2005-02-08 Bp Corporation North America Inc. Method of removing iron oxide deposits from the surface of titanium components
US6649773B2 (en) 2002-03-22 2003-11-18 General Electric Company Method for the manufacture of halophthalic acids and anhydrides
US6657067B2 (en) 2002-03-22 2003-12-02 General Electric Company Method for the manufacture of chlorophthalic anhydride
US6657068B2 (en) 2002-03-22 2003-12-02 General Electric Company Liquid phase oxidation of halogenated ortho-xylenes
US7135596B2 (en) * 2002-04-23 2006-11-14 Bp Corporation North America Inc. Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids
GB0225429D0 (en) * 2002-10-31 2002-12-11 Breckenridge Associates Ltd Recovery process
US7049465B2 (en) * 2003-07-10 2006-05-23 Eastman Chemical Company Process for energy recovery in processes for the preparation of aromatic carboxylic acids
US7213540B2 (en) * 2004-02-05 2007-05-08 Eastman Chemical Company Steam recompression in carboxylic acid processes
US20050256335A1 (en) * 2004-05-12 2005-11-17 Ovidiu Marin Providing gases to aromatic carboxylic acid manufacturing processes
US7541489B2 (en) * 2004-06-30 2009-06-02 Sabic Innovative Plastics Ip B.V. Method of making halophthalic acids and halophthalic anhydrides
US20060004223A1 (en) * 2004-06-30 2006-01-05 General Electric Company Method of making halophthalic acids and halophthalic anhydrides
US7608732B2 (en) * 2005-03-08 2009-10-27 Eastman Chemical Company Optimized liquid-phase oxidation
IN2015DN00761A (de) * 2004-09-02 2015-07-10 Grupo Petrotemex Sa De Cv
UA96569C2 (ru) * 2005-03-21 2011-11-25 Бипи Корпорейшн Норт Америка Инк. Процесс и устройство для изготовления ароматических карбоновых кислот
KR20080091453A (ko) 2005-12-29 2008-10-13 비피 코포레이션 노쓰 아메리카 인코포레이티드 Ｄｅｔ를 형성하기 위한 ｐｅｔ의 가에탄올분해 및 그의산화
KR100794317B1 (ko) * 2006-02-20 2008-01-11 (주)에이엠티퍼시픽 방향족 화합물의 산화반응시 반응기 배출가스로부터 물을제거하는 방법
US7566802B2 (en) * 2006-05-24 2009-07-28 Eastman Chemical Company Process for energy recovery and water removal in the preparation of aromatic carboxylic acids
CN101161625A (zh) * 2006-10-12 2008-04-16 高化环保技术有限公司 用均相mc型催化剂和o2/co2混合物制备有机酸或其衍生物的方法
US7465824B2 (en) * 2007-02-08 2008-12-16 Bp Corporation North America Inc. Process for the production of high purity aromatic carboxylic acids using a benzoic acid and water solvent for oxidation and purification
RU2438763C2 (ru) * 2007-02-28 2012-01-10 Хитачи Плант Текнолоджиз, Лтд. Способ обработки и извлечения энергии отработанного газа реакции окисления
KR100894761B1 (ko) 2007-10-18 2009-04-24 주식회사 효성 에너지를 회수 및 재활용하는 2,6-나프탈렌디카르복실산제조방법
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
GB0808200D0 (en) * 2008-05-06 2008-06-11 Invista Technologies Srl Power recovery
US9505692B2 (en) * 2008-10-31 2016-11-29 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with self-fuel oxidative destruction
US9493387B2 (en) * 2008-10-31 2016-11-15 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with minimal wastewater generation
US20100113735A1 (en) * 2008-10-31 2010-05-06 Eastman Chemical Company Integrated Co-Production of Dicarboxylic Acids
US9493388B2 (en) * 2008-10-31 2016-11-15 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with direct fired off-gas heating
US9493389B2 (en) * 2008-10-31 2016-11-15 Grupo Petrotemex, S.A. De C.V. Dicarboxylic acid production with enhanced energy recovery
DE102008059009A1 (de) * 2008-11-26 2010-05-27 Francotyp-Postalia Gmbh Universell einsetzbares elektronisches Handstempelgerät
CN102574094A (zh) * 2009-10-02 2012-07-11 英威达技术有限公司 减少夹带的系统和方法
CN105413598B (zh) * 2009-12-16 2019-04-09 英威达纺织（英国）有限公司 生产芳香羧酸的系统和方法
BR112012029158A2 (pt) * 2010-05-18 2016-09-13 Invista Tech Sarl processo de fabricação de ácido policarboxílico aromático e de ácido tereftálico
US20140175025A1 (en) * 2012-12-21 2014-06-26 Eastman Chemical Company Generation of low-solids second mother liquor from terephthalic acid production filter
CA2933721A1 (en) * 2013-12-18 2015-06-25 Bp Corporation North America Inc. Improved process and apparatus for manufacturing aromatic carboxylic acids
WO2015103169A1 (en) 2013-12-30 2015-07-09 Bp Corporation North America Inc. Process for the preparation of terephthalic acid using dehydration tower condensate for the purification of the crude product
CA2934789C (en) 2013-12-30 2021-03-02 Thomas M. Bartos Pressurized crude aromatic carboxylic acid feed mixes
US9394223B2 (en) 2013-12-31 2016-07-19 Bp Corporation North America Inc. Oxidation process for preparing purified aromatic carboxylic acids
BR112016015442A2 (pt) * 2013-12-31 2017-10-10 Bp Corp North America Inc reciclagem do condensado de alta pressão na produção de ácidos carboxílicos aromáticos purificados.
GB201418900D0 (en) * 2014-10-23 2014-12-10 Invista Technologies S.�.R.L. Production of an aromatic discarboxylic acid
PT3397610T (pt) 2015-12-31 2021-03-03 Bp Corp North America Inc Processo de recuperação de ácido acético de correntes aquosas
US10723633B2 (en) 2015-12-31 2020-07-28 Bp Corporation North America Inc. Process for recovering heavy metal ions
CN109071284A (zh) 2015-12-31 2018-12-21 Bp北美公司 氢氧化镁在中和pta废水中的应用
TW201823194A (zh) 2016-12-29 2018-07-01 美商Ｂｐ公司北美股份有限公司 經純化的對苯二甲酸(pta)排氣孔蒸汽之利用
TW201823193A (zh) 2016-12-29 2018-07-01 美商Ｂｐ公司北美股份有限公司 經純化的對苯二甲酸(pta)排氣孔乾燥器蒸氣流出物處理技術
US10000435B1 (en) * 2017-02-28 2018-06-19 Grupo Petrotemex, S.A. De C.V. Energy and environmentally integrated method for production of aromatic dicarboxylic acids by oxidation
TW201842956A (zh) 2017-04-28 2018-12-16 美商Ｂｐ公司北美股份有限公司 使用加壓濕氣線路以避免於經純化的對苯二甲酸(pta)過濾器及線路的積垢
WO2019005532A1 (en) 2017-06-29 2019-01-03 Bp Corporation North America Inc. METHODS OF MAKING AROMATIC CARBOXYLIC ACIDS
US11203564B2 (en) 2017-07-25 2021-12-21 Ineos Us Chemicals Company Routing of purified aromatic carboxylic acid filter rinse for energy optimization
US20210380519A1 (en) 2017-08-01 2021-12-09 Bp Corporation North America Inc. Process for pre-heating boiler feed water in the manufacture of purified aromatic carboxylic acids
US11312678B2 (en) 2018-06-29 2022-04-26 Ineos Us Chemicals Company Solid-liquid separation processes using a large pore filter
CN109251139B (zh) * 2018-11-02 2021-06-25 中国石油天然气集团有限公司 采用深度氧化的pia生产方法和生产系统
WO2020102639A1 (en) 2018-11-16 2020-05-22 Bp Corporation North America Inc. Process for manufacturing aromatic carboxylic acids
US20220380287A1 (en) 2019-10-31 2022-12-01 Ineos Us Chemicals Company Solids-Liquid Separation Processes
WO2023183864A1 (en) 2022-03-24 2023-09-28 Ineos Us Chemicals Company Process and apparatus of production of aromatic dicarboxylic acid.

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2064386A1 (de) † 1970-12-30 1972-07-20 Franz Morat GmbH, 7000 Stuttgart-Vaihingen Vorrichtung zur elektronischen Steuerung von Textilmaschinen oder zur Herstellung eines Steuerstreifens für Textilmaschinen
FR2187732A1 (en) * 1972-06-06 1974-01-18 Inst Francais Du Petrole Pure aromatic polycarboxylic acids - by oxidation of substd aromatic cpds and recycling the unreacted materials
FR2303787A3 (fr) * 1975-03-14 1976-10-08 Inst Francais Du Petrole Oxydation de composes organiques aromatiques
JPS5599517A (en) * 1979-01-22 1980-07-29 Hitachi Ltd Treatment of exhaust gas
US4202167A (en) * 1979-03-08 1980-05-13 Texaco Inc. Process for producing power
JPS5640636A (en) * 1979-09-10 1981-04-16 Cosmo Co Ltd Treatment of exhaust gas of oxidation reaction
US4471619A (en) * 1982-08-23 1984-09-18 Uop Inc. Fractionation process with power generation by depressurizing the overhead vapor stream
US5050375A (en) * 1985-12-26 1991-09-24 Dipac Associates Pressurized wet combustion at increased temperature
US4914230A (en) * 1986-07-28 1990-04-03 Amoco Corporation Catalyst recovery method
EP0478428B1 (de) * 1990-09-25 1995-03-08 Institut Français du Pétrole Verfahren zur Herstellung von Boroxid durch Hydrolyse von Methylborat und seine Anwendung bei der Oxidation von gesättigten Kohlenwasserstoffen zu Alkoholen
US5102505A (en) * 1990-11-09 1992-04-07 Union Carbide Chemicals & Plastics Technology Corporation Mixed aldehyde product separation by distillation
GB9102393D0 (en) * 1991-02-05 1991-03-20 Ici Plc Production of terephthalic acid
JP3291749B2 (ja) * 1992-02-06 2002-06-10 三菱化学株式会社 芳香族カルボン酸の製造方法
JP3198711B2 (ja) * 1993-03-30 2001-08-13 三井化学株式会社 テレフタル酸の製造方法および装置

Also Published As

Publication number Publication date
TW384283B (en) 2000-03-11
EG20931A (en) 2000-06-28
BR9506413A (pt) 1997-09-09
ES2145927T5 (es) 2007-03-01
ES2145927T3 (es) 2000-07-16
TR199501268A2 (tr) 1996-06-21
DE69517301D1 (de) 2000-07-06
CN1083417C (zh) 2002-04-24
JP2006249106A (ja) 2006-09-21
CN1137266A (zh) 1996-12-04
DE69517301T2 (de) 2001-01-11
ZA957905B (en) 1996-04-29
AU703997B2 (en) 1999-04-01
NZ294161A (en) 1998-03-25
US5723656A (en) 1998-03-03
KR100397242B1 (ko) 2004-03-20
AU3684495A (en) 1996-05-06
MY113200A (en) 2001-12-31
EP0734372B8 (de) 2006-08-23
EP0734372A1 (de) 1996-10-02
EP0734372B2 (de) 2006-06-28
US5612007A (en) 1997-03-18
WO1996011899A1 (en) 1996-04-25
CA2178346A1 (en) 1996-04-25
CA2178346C (en) 2007-04-24
MX9602364A (es) 1997-02-28
ATE193516T1 (de) 2000-06-15
SA95160315B1 (ar) 2005-07-06
JPH09511253A (ja) 1997-11-11
DE69517301T3 (de) 2007-02-01
EP0734372B1 (de) 2000-05-31

Similar Documents

Publication Publication Date Title
HK1014534A1 (en) Process for preparing aromatic arboxylic acids with efficient energy recovery
MY121141A (en) Method for the catalytic gas-phase oxidation of propene into acrolein
CA2279510A1 (en) Production of terephthalic acid
ES8609191A1 (es) Procedimiento para la produccion continua de un acido carbo-xilico aromatico
EP1151126A4 (de) BIOKATALYTISCHE SYNTHESE VON SHIKIMINSäURE
AU565580B2 (en) Preparation of aldehydes
GR3034464T3 (en) A process for the production of tetrazolyl compounds.
GR3002689T3 (en) Process for producing 2-methyl-1,4-naphthoquinone
YU71100A (sh) Postupak za dobijanje alkil karboksilnih kiselina karboksilacijom nižih alkan metana
MY129700A (en) Method for producing polyacrylic acid
ES2119578T3 (es) Metodo de produccion de acido peracetico
AU3952497A (en) Process for preparing 2-(10,11-dihydro-10-oxodibenzo{b,f}thiepin-2-yl)propionic acid and intermediates therefor
ES8401439A1 (es) Procedimiento para la obtencion de acido hidroxicarboxilicos aromaticos.
MY133389A (en) Process for preparing aromatic carboxylic acids with efficient treatments of gaseous effluent
GR3024716T3 (en) Synthesis of diols, for use as intermediates for polymeric materials, by starting from terminal diolefins.
TW325476B (en) Method for producing copper phthalocyanine
CA2247047A1 (en) Process for producing 7-octen-1-al
IL137027A (en) Process for the preparation of cyclopropane carboxylic acids
BE1004950A4 (nl) Werkwijze voor de bereiding van een fenol.
FR2414491A1 (fr) Procede pour la preparation d'esters
WO2001092195A3 (en) Methods and apparatus for removing catalyst from oxidation reactor effluent
EP1044958A4 (de) VERFAHREN ZUR HERSTELLUNG VON tert-BUTYL 4'-METHYL-2-BIPHENYLCARBOXYLATEN
AU6925300A (en) A method for solvent free hydrodebromination in the production of aromatic carboxylic acids
PT99316A (pt) Processo para a preparacao de epsilon-caprolactona
FR2442223A2 (fr) Procede pour la preparation d'esters

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080922