NL160546C - PROCESS FOR THE PURIFICATION OF CRUDE 2,6-NAPHTALEENDICARBON ACID. - Google Patents

PROCESS FOR THE PURIFICATION OF CRUDE 2,6-NAPHTALEENDICARBON ACID.

Info

Publication number
NL160546C
NL160546C NL7307578.A NL7307578A NL160546C NL 160546 C NL160546 C NL 160546C NL 7307578 A NL7307578 A NL 7307578A NL 160546 C NL160546 C NL 160546C
Authority
NL
Netherlands
Prior art keywords
naphtaleendicarbon
crude
purification
acid
naphtaleendicarbon acid
Prior art date
Application number
NL7307578.A
Other languages
Dutch (nl)
Other versions
NL7307578A (en
NL160546B (en
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Priority to DE19732327646 priority Critical patent/DE2327646B2/en
Priority to NL7307578.A priority patent/NL160546C/en
Publication of NL7307578A publication Critical patent/NL7307578A/xx
Publication of NL160546B publication Critical patent/NL160546B/en
Application granted granted Critical
Publication of NL160546C publication Critical patent/NL160546C/en

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
    • 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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL7307578.A 1973-05-30 1973-05-30 PROCESS FOR THE PURIFICATION OF CRUDE 2,6-NAPHTALEENDICARBON ACID. NL160546C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19732327646 DE2327646B2 (en) 1973-05-30 1973-05-30 PROCESS FOR THE PRODUCTION OF 2,6-NAPHTHALINDICARBONIC ACID
NL7307578.A NL160546C (en) 1973-05-30 1973-05-30 PROCESS FOR THE PURIFICATION OF CRUDE 2,6-NAPHTALEENDICARBON ACID.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732327646 DE2327646B2 (en) 1973-05-30 1973-05-30 PROCESS FOR THE PRODUCTION OF 2,6-NAPHTHALINDICARBONIC ACID
NL7307578.A NL160546C (en) 1973-05-30 1973-05-30 PROCESS FOR THE PURIFICATION OF CRUDE 2,6-NAPHTALEENDICARBON ACID.

Publications (3)

Publication Number Publication Date
NL7307578A NL7307578A (en) 1974-12-03
NL160546B NL160546B (en) 1979-06-15
NL160546C true NL160546C (en) 1979-11-15

Family

ID=25765231

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7307578.A NL160546C (en) 1973-05-30 1973-05-30 PROCESS FOR THE PURIFICATION OF CRUDE 2,6-NAPHTALEENDICARBON ACID.

Country Status (2)

Country Link
DE (1) DE2327646B2 (en)
NL (1) NL160546C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3464595D1 (en) * 1983-10-24 1987-08-13 Teijin Petrochem Ind Process for producing 2,6-naphthalenedicarboxylic acid

Also Published As

Publication number Publication date
DE2327646B2 (en) 1976-09-02
NL7307578A (en) 1974-12-03
DE2327646A1 (en) 1974-12-19
NL160546B (en) 1979-06-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: TEIJIN