DE1468858A1 - Verfahren zum Reinigen organischer Verbindungen - Google Patents

Verfahren zum Reinigen organischer Verbindungen

Info

Publication number
DE1468858A1
DE1468858A1 DE19641468858 DE1468858A DE1468858A1 DE 1468858 A1 DE1468858 A1 DE 1468858A1 DE 19641468858 DE19641468858 DE 19641468858 DE 1468858 A DE1468858 A DE 1468858A DE 1468858 A1 DE1468858 A1 DE 1468858A1
Authority
DE
Germany
Prior art keywords
distillation
product
temperature
anhydrides
esters
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.)
Pending
Application number
DE19641468858
Other languages
German (de)
English (en)
Inventor
Christmann Ludwig Jacob
Roberts Edward Sherrill
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.)
CHRISTMANN LUDWIG JACOB
Original Assignee
CHRISTMANN LUDWIG JACOB
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 CHRISTMANN LUDWIG JACOB filed Critical CHRISTMANN LUDWIG JACOB
Publication of DE1468858A1 publication Critical patent/DE1468858A1/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/26—1,4 - Benzenedicarboxylic acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C07C46/10—Separation; Purification; Stabilisation; Use of additives
    • 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
    • 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
    • C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
    • C07C2603/26—Phenanthrenes; Hydrogenated phenanthrenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19641468858 1963-02-06 1964-01-24 Verfahren zum Reinigen organischer Verbindungen Pending DE1468858A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25652363A 1963-02-06 1963-02-06

Publications (1)

Publication Number Publication Date
DE1468858A1 true DE1468858A1 (de) 1969-03-13

Family

ID=22972549

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19641468858 Pending DE1468858A1 (de) 1963-02-06 1964-01-24 Verfahren zum Reinigen organischer Verbindungen

Country Status (4)

Country Link
BE (1) BE643356A (US07655688-20100202-C00086.png)
DE (1) DE1468858A1 (US07655688-20100202-C00086.png)
GB (1) GB1049071A (US07655688-20100202-C00086.png)
NL (1) NL6400731A (US07655688-20100202-C00086.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0713856A1 (de) * 1994-11-24 1996-05-29 Hoechst Aktiengesellschaft Verfahren zur Herstellung bromierter oder chlorierter aromatischer Carbonsäuren

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6964728B2 (en) 2002-05-16 2005-11-15 Mckinnie Bonnie G Separation process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0713856A1 (de) * 1994-11-24 1996-05-29 Hoechst Aktiengesellschaft Verfahren zur Herstellung bromierter oder chlorierter aromatischer Carbonsäuren
US5637764A (en) * 1994-11-24 1997-06-10 Hoechst Aktiengesellschaft Process for the preparation of brominated or chlorinated aromatic carboxylic acids

Also Published As

Publication number Publication date
BE643356A (US07655688-20100202-C00086.png) 1966-08-29
GB1049071A (en) 1966-11-23
NL6400731A (US07655688-20100202-C00086.png) 1964-08-07

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