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
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)
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)
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 |
-
1973
- 1973-05-30 NL NL7307578.A patent/NL160546C/en not_active IP Right Cessation
- 1973-05-30 DE DE19732327646 patent/DE2327646B2/en active Granted
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 |