BE698821A - - Google Patents
Info
- Publication number
- BE698821A BE698821A BE698821DA BE698821A BE 698821 A BE698821 A BE 698821A BE 698821D A BE698821D A BE 698821DA BE 698821 A BE698821 A BE 698821A
- Authority
- BE
- Belgium
- Prior art keywords
- benzene
- sep
- acid
- sulfuric acid
- temperature
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
- B01J10/02—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor of the thin-film type
-
- 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
- C07C303/44—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE698821 | 1967-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE698821A true BE698821A (instruction) | 1967-11-22 |
Family
ID=3850852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE698821D BE698821A (instruction) | 1967-05-22 | 1967-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE698821A (instruction) |
-
1967
- 1967-05-22 BE BE698821D patent/BE698821A/fr not_active IP Right Cessation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: KOPPERS CY INC. Effective date: 19850522 |