AT327176B - Verfahren zur herstellung von tetrabromphthalsaureanhydrid - Google Patents
Verfahren zur herstellung von tetrabromphthalsaureanhydridInfo
- Publication number
- AT327176B AT327176B AT874673A AT874673A AT327176B AT 327176 B AT327176 B AT 327176B AT 874673 A AT874673 A AT 874673A AT 874673 A AT874673 A AT 874673A AT 327176 B AT327176 B AT 327176B
- Authority
- AT
- Austria
- Prior art keywords
- producing
- acid anhydride
- tetrabromphthalic
- tetrabromphthalic acid
- anhydride
- 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
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2250550A DE2250550A1 (de) | 1972-10-14 | 1972-10-14 | Verfahren zur herstellung von tetrabromphthalsaeureanhydrid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA874673A ATA874673A (de) | 1975-04-15 |
| AT327176B true AT327176B (de) | 1976-01-26 |
Family
ID=5859107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT874673A AT327176B (de) | 1972-10-14 | 1973-10-12 | Verfahren zur herstellung von tetrabromphthalsaureanhydrid |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3875186A (de) |
| JP (1) | JPS5438091B2 (de) |
| AT (1) | AT327176B (de) |
| DE (1) | DE2250550A1 (de) |
| FR (1) | FR2202875B1 (de) |
| GB (1) | GB1399065A (de) |
| IT (1) | IT997653B (de) |
| NL (1) | NL7314089A (de) |
| SE (1) | SE384214B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5225573A (en) * | 1990-07-06 | 1993-07-06 | Bromine Compounds Limited | Intermediates to tetrabromophthalic anhydride and process therefor |
| RU2526616C2 (ru) * | 2013-03-21 | 2014-08-27 | Александр Михайлович Андриевский | Способ получения тетрабромфталевого ангидрида |
| US9453108B2 (en) | 2014-08-22 | 2016-09-27 | International Business Machines Corporation | Flame retardant PHT compositions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL272228A (de) * | 1961-12-26 | |||
| DE1518647A1 (de) * | 1965-05-06 | 1969-02-13 | Kalk Chemische Fabrik Gmbh | Verfahren zur Herstellung von Tetrabromphthalsaeureanhydrid |
-
1972
- 1972-10-14 DE DE2250550A patent/DE2250550A1/de active Pending
-
1973
- 1973-10-08 FR FR7335888A patent/FR2202875B1/fr not_active Expired
- 1973-10-10 US US405082A patent/US3875186A/en not_active Expired - Lifetime
- 1973-10-11 JP JP11430773A patent/JPS5438091B2/ja not_active Expired
- 1973-10-11 SE SE7313864A patent/SE384214B/xx unknown
- 1973-10-12 NL NL7314089A patent/NL7314089A/xx not_active Application Discontinuation
- 1973-10-12 GB GB4766273A patent/GB1399065A/en not_active Expired
- 1973-10-12 IT IT53099/73A patent/IT997653B/it active
- 1973-10-12 AT AT874673A patent/AT327176B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE384214B (sv) | 1976-04-26 |
| FR2202875B1 (de) | 1977-05-27 |
| GB1399065A (en) | 1975-06-25 |
| DE2250550A1 (de) | 1974-04-18 |
| JPS5438091B2 (de) | 1979-11-19 |
| ATA874673A (de) | 1975-04-15 |
| US3875186A (en) | 1975-04-01 |
| NL7314089A (de) | 1974-04-16 |
| JPS4972232A (de) | 1974-07-12 |
| IT997653B (it) | 1975-12-30 |
| FR2202875A1 (de) | 1974-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |