CN1243705C - 在tma生产过程中加入无机酸或其盐 - Google Patents

在tma生产过程中加入无机酸或其盐 Download PDF

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Publication number
CN1243705C
CN1243705C CNB028038525A CN02803852A CN1243705C CN 1243705 C CN1243705 C CN 1243705C CN B028038525 A CNB028038525 A CN B028038525A CN 02803852 A CN02803852 A CN 02803852A CN 1243705 C CN1243705 C CN 1243705C
Authority
CN
China
Prior art keywords
acid
trimellitic acid
thick
filter cake
anhydride
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 - Fee Related
Application number
CNB028038525A
Other languages
English (en)
Chinese (zh)
Other versions
CN1524069A (zh
Inventor
史蒂文·A·塞拉菲斯
韦恩·P·沙梅尔
大卫·A·杨
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.)
Flint Sears Resources Chemical Intermediate Co Ltd
Original Assignee
Flint Sears Resources Ltd
BP Corp North America Inc
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 Flint Sears Resources Ltd, BP Corp North America Inc filed Critical Flint Sears Resources Ltd
Publication of CN1524069A publication Critical patent/CN1524069A/zh
Application granted granted Critical
Publication of CN1243705C publication Critical patent/CN1243705C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/90—Benzo [c] furans; Hydrogenated benzo [c] furans with an oxygen atom in position 1 and a nitrogen atom in position 3, or vice versa
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CNB028038525A 2001-01-19 2002-01-04 在tma生产过程中加入无机酸或其盐 Expired - Fee Related CN1243705C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26294101P 2001-01-19 2001-01-19
US60/262,941 2001-01-19

Publications (2)

Publication Number Publication Date
CN1524069A CN1524069A (zh) 2004-08-25
CN1243705C true CN1243705C (zh) 2006-03-01

Family

ID=22999723

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB028038525A Expired - Fee Related CN1243705C (zh) 2001-01-19 2002-01-04 在tma生产过程中加入无机酸或其盐

Country Status (8)

Country Link
US (1) US6696604B2 (enExample)
EP (1) EP1351915A2 (enExample)
JP (1) JP4303470B2 (enExample)
CN (1) CN1243705C (enExample)
AU (1) AU2002243471A1 (enExample)
MY (1) MY127577A (enExample)
TW (1) TWI227233B (enExample)
WO (1) WO2002057247A2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1401607B1 (it) 2010-07-30 2013-07-26 Oscam Spa Impianto e metodo per il trattamento di barre metalliche
CN106366058B (zh) * 2016-08-26 2018-06-15 安徽泰达新材料股份有限公司 一种偏酐类重组分副产物的综合利用方法
CN117427688B (zh) * 2023-10-23 2025-11-21 山东聚和投资发展有限公司 一种生产偏苯三酸酐的催化剂体系及连续工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798238A (en) 1971-02-24 1974-03-19 Standard Oil Co Trimelitic acid anhydride product recovery from pseudocumene oxidation effluent
US3732257A (en) 1971-07-01 1973-05-08 Standard Oil Co Trimellitic acid anhydride product recovery by steam stripping crude anhydride of total solids from pseudocumene oxidation effluent and continuous fractionation of stripped product
US4788296A (en) 1987-05-29 1988-11-29 Amoco Corporation Process for the production and recovery of trimellitic anhydride
US4948921A (en) 1989-06-29 1990-08-14 Amoco Corporation Process for the production and recovery of trimellitic acid
US5895820A (en) 1997-07-16 1999-04-20 Mitsubishi Gas Chemical Company, Inc. Process for the production of trimellitic acid and process for the production of trimellitic acid anhydride

Also Published As

Publication number Publication date
TWI227233B (en) 2005-02-01
MY127577A (en) 2006-12-29
EP1351915A2 (en) 2003-10-15
CN1524069A (zh) 2004-08-25
AU2002243471A1 (en) 2002-07-30
JP4303470B2 (ja) 2009-07-29
WO2002057247A2 (en) 2002-07-25
JP2004526695A (ja) 2004-09-02
WO2002057247A3 (en) 2002-12-05
US20020143192A1 (en) 2002-10-03
US6696604B2 (en) 2004-02-24

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: PHERLINE SIER RESOURCE CO., LTD.

Free format text: FORMER OWNER: BP NORTH AMERICA CORP.

Effective date: 20050401

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20050401

Address after: Lugano, Switzerland

Applicant after: PHILIINTSIRS RESOURCES AG

Address before: Illinois

Applicant before: BP Corporation North America Inc.

C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: FLINT HILLS RESOURCES CHEMICAL INTERMEDIATES CO.,

Free format text: FORMER OWNER: FLINT HILLS RESOURCES CO., LTD.

Effective date: 20101123

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: SWITZERLAND LU JIANUO TO: KANSAS STATE, AMERICA

TR01 Transfer of patent right

Effective date of registration: 20101123

Address after: Kansas USA

Patentee after: Flint Sears resources chemical intermediate Co., Ltd.

Address before: Lugano, Switzerland

Patentee before: PHILIINTSIRS RESOURCES AG

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060301

Termination date: 20200104

CF01 Termination of patent right due to non-payment of annual fee