BE682555A - - Google Patents
Info
- Publication number
- BE682555A BE682555A BE682555DA BE682555A BE 682555 A BE682555 A BE 682555A BE 682555D A BE682555D A BE 682555DA BE 682555 A BE682555 A BE 682555A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0488—Flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH830065A CH450433A (de) | 1965-06-15 | 1965-06-15 | Verfahren zur Reinigung von Lactamen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE682555A true BE682555A (fr) | 1966-12-15 |
Family
ID=4338186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE682555D BE682555A (fr) | 1965-06-15 | 1966-06-15 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3476744A (fr) |
| BE (1) | BE682555A (fr) |
| CH (1) | CH450433A (fr) |
| DE (1) | DE1695247C3 (fr) |
| GB (1) | GB1078249A (fr) |
| NL (1) | NL142953B (fr) |
| YU (1) | YU31791B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2019431C2 (de) * | 1970-04-22 | 1981-10-15 | Bayer Ag, 5090 Leverkusen | Verfahren zur Reinigung von Caprolactam |
| CH549020A (de) * | 1970-12-22 | 1974-05-15 | Inventa Ag | Verfahren zur reinigung von lactamen. |
| US3966712A (en) * | 1972-05-19 | 1976-06-29 | Bayer Aktiengesellschaft | Process for the purification of caprolactam |
| US4148792A (en) * | 1976-09-15 | 1979-04-10 | Bayer Aktiengesellschaft | Purification of caprolactam |
| DE2845075A1 (de) * | 1978-10-17 | 1980-05-08 | Basf Ag | Verfahren zur reinigung von rohcaprolactam |
| US4554817A (en) * | 1983-05-10 | 1985-11-26 | Trw Inc. | Valve sleeve shaping method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3179657A (en) * | 1965-04-20 | Process for purifying caprolactam | ||
| US3145198A (en) * | 1964-08-18 | piija | ||
| US2813858A (en) * | 1954-08-26 | 1957-11-19 | Allied Chem & Dye Corp | Process for purifying epsilon-caprolactam |
-
1965
- 1965-06-15 CH CH830065A patent/CH450433A/de unknown
-
1966
- 1966-06-07 US US555739A patent/US3476744A/en not_active Expired - Lifetime
- 1966-06-14 GB GB26557/66A patent/GB1078249A/en not_active Expired
- 1966-06-14 DE DE1695247A patent/DE1695247C3/de not_active Expired
- 1966-06-14 NL NL666608223A patent/NL142953B/xx unknown
- 1966-06-15 BE BE682555D patent/BE682555A/xx unknown
- 1966-06-15 YU YU1125/66A patent/YU31791B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1695247A1 (de) | 1972-05-10 |
| US3476744A (en) | 1969-11-04 |
| NL142953B (nl) | 1974-08-15 |
| DE1695247C3 (de) | 1975-05-28 |
| YU31791B (en) | 1973-12-31 |
| DE1695247B2 (de) | 1974-10-03 |
| YU112566A (en) | 1973-06-30 |
| NL6608223A (fr) | 1966-12-16 |
| CH450433A (de) | 1968-01-31 |
| GB1078249A (en) | 1967-08-09 |