AT252225B - Verfahren zur Gewinnung von Naphthochinon - Google Patents
Verfahren zur Gewinnung von NaphthochinonInfo
- Publication number
- AT252225B AT252225B AT1035364A AT1035364A AT252225B AT 252225 B AT252225 B AT 252225B AT 1035364 A AT1035364 A AT 1035364A AT 1035364 A AT1035364 A AT 1035364A AT 252225 B AT252225 B AT 252225B
- Authority
- AT
- Austria
- Prior art keywords
- naphthoquinone
- production
- 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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- 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
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
- C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1505063A CH456560A (de) | 1963-12-09 | 1963-12-09 | Verfahren zur Abtrennung von Naphthochinon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT252225B true AT252225B (de) | 1967-02-10 |
Family
ID=4405909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT1035364A AT252225B (de) | 1963-12-09 | 1964-12-07 | Verfahren zur Gewinnung von Naphthochinon |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3379741A (de) |
| AT (1) | AT252225B (de) |
| BE (1) | BE656818A (de) |
| CH (1) | CH456560A (de) |
| DE (1) | DE1226555B (de) |
| ES (1) | ES306863A1 (de) |
| GB (1) | GB1089275A (de) |
| IL (1) | IL22491A (de) |
| NL (1) | NL6414254A (de) |
| SE (1) | SE301806B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539209B2 (de) * | 1973-04-24 | 1978-04-04 | ||
| US4035399A (en) * | 1974-02-18 | 1977-07-12 | Nihon Joryu Kogyo Co., Ltd. | Process for the preparation of 1,4-naphthoquinone |
| US4202828A (en) * | 1978-01-10 | 1980-05-13 | Kawasaki Kasei Chemicals Limited | Process for separation of naphthoquinone and phthalic acid |
| JPS5826897B2 (ja) * | 1979-02-16 | 1983-06-06 | 川崎化成工業株式会社 | スケ−リング防止方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2190001A (en) * | 1939-04-06 | 1940-02-13 | Nat Aniline & Chem Co Inc | Recovery of phthalic acid from gases containing phthalic anhydride |
| BE573902A (de) * | 1957-12-16 |
-
1963
- 1963-12-09 CH CH1505063A patent/CH456560A/de unknown
-
1964
- 1964-11-19 GB GB47230/64A patent/GB1089275A/en not_active Expired
- 1964-11-23 IL IL22491A patent/IL22491A/xx unknown
- 1964-11-25 US US413845A patent/US3379741A/en not_active Expired - Lifetime
- 1964-12-07 ES ES0306863A patent/ES306863A1/es not_active Expired
- 1964-12-07 AT AT1035364A patent/AT252225B/de active
- 1964-12-08 NL NL6414254A patent/NL6414254A/xx unknown
- 1964-12-08 BE BE656818A patent/BE656818A/xx unknown
- 1964-12-08 DE DEC34591A patent/DE1226555B/de active Pending
- 1964-12-09 SE SE14888/64A patent/SE301806B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH456560A (de) | 1968-07-31 |
| GB1089275A (en) | 1967-11-01 |
| US3379741A (en) | 1968-04-23 |
| ES306863A1 (es) | 1965-05-01 |
| NL6414254A (de) | 1965-06-10 |
| IL22491A (en) | 1968-06-20 |
| BE656818A (de) | 1965-06-08 |
| DE1226555B (de) | 1966-10-13 |
| SE301806B (de) | 1968-06-24 |
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