FR2446276B1 - - Google Patents
Info
- Publication number
- FR2446276B1 FR2446276B1 FR8000332A FR8000332A FR2446276B1 FR 2446276 B1 FR2446276 B1 FR 2446276B1 FR 8000332 A FR8000332 A FR 8000332A FR 8000332 A FR8000332 A FR 8000332A FR 2446276 B1 FR2446276 B1 FR 2446276B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/42—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
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH16979A CH639061A5 (de) | 1979-01-09 | 1979-01-09 | Verfahren zur reinigung von aromatischen saeuren oder deren salzen. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2446276A1 FR2446276A1 (fr) | 1980-08-08 |
| FR2446276B1 true FR2446276B1 (US20020125480A1-20020912-P00900.png) | 1982-12-03 |
Family
ID=4180826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8000332A Granted FR2446276A1 (fr) | 1979-01-09 | 1980-01-08 | Procede et produit pour la purification des acides aromatiques et de leurs sels |
Country Status (6)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9000891A (nl) * | 1990-04-14 | 1991-11-01 | Stamicarbon | Werkwijze voor het zuiveren van een benzoezuur. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719703A (en) * | 1969-04-29 | 1973-03-06 | Atomic Energy Commission | Separation of sulfonic acids from sulfuric acid |
| IT1055433B (it) * | 1976-02-23 | 1981-12-21 | Anic Spa | Metodo per la purificazione di acqua di scarico contenenti composti organici di carattere anioni co e mezzi adatti allo scopo |
-
1979
- 1979-01-09 CH CH16979A patent/CH639061A5/de not_active IP Right Cessation
-
1980
- 1980-01-05 DE DE19803000304 patent/DE3000304A1/de not_active Withdrawn
- 1980-01-07 GB GB8000452A patent/GB2039278B/en not_active Expired
- 1980-01-08 IT IT47535/80A patent/IT1127331B/it active
- 1980-01-08 FR FR8000332A patent/FR2446276A1/fr active Granted
- 1980-01-09 JP JP63980A patent/JPS5594333A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT8047535A0 (it) | 1980-01-08 |
| CH639061A5 (de) | 1983-10-31 |
| JPS5594333A (en) | 1980-07-17 |
| GB2039278B (en) | 1983-04-13 |
| IT1127331B (it) | 1986-05-21 |
| DE3000304A1 (de) | 1980-07-17 |
| FR2446276A1 (fr) | 1980-08-08 |
| GB2039278A (en) | 1980-08-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |