IN171456B - - Google Patents
Info
- Publication number
- IN171456B IN171456B IN480/MAS/88A IN480MA1988A IN171456B IN 171456 B IN171456 B IN 171456B IN 480MA1988 A IN480MA1988 A IN 480MA1988A IN 171456 B IN171456 B IN 171456B
- Authority
- IN
- India
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT21548/87A IT1222419B (it) | 1987-07-31 | 1987-07-31 | Procedimento di purificazione del caprolattame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN171456B true IN171456B (fr) | 1992-10-17 |
Family
ID=11183439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN480/MAS/88A IN171456B (fr) | 1987-07-31 | 1988-07-08 |
Country Status (8)
| Country | Link |
|---|---|
| AR (1) | AR244664A1 (fr) |
| BR (1) | BR8803787A (fr) |
| CA (1) | CA1309404C (fr) |
| DE (1) | DE3825524A1 (fr) |
| ES (1) | ES2007278A6 (fr) |
| IN (1) | IN171456B (fr) |
| IT (1) | IT1222419B (fr) |
| SU (1) | SU1709905A3 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2781796B1 (fr) † | 1998-07-28 | 2000-09-22 | Rhone Poulenc Fibres | Procede de deshydratation de lactame |
| WO2003018562A1 (fr) * | 2001-08-27 | 2003-03-06 | Dsm Ip Assets B.V. | Procede de distillation de crapolactam alcalin sous pression reduite |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1173261B (it) * | 1984-02-08 | 1987-06-18 | Snia Bpd Spa | Procedimento di purificazione del caprolattame |
-
1987
- 1987-07-31 IT IT21548/87A patent/IT1222419B/it active
-
1988
- 1988-07-08 IN IN480/MAS/88A patent/IN171456B/en unknown
- 1988-07-26 CA CA000573088A patent/CA1309404C/fr not_active Expired - Fee Related
- 1988-07-27 DE DE3825524A patent/DE3825524A1/de not_active Withdrawn
- 1988-07-27 AR AR88311523A patent/AR244664A1/es active
- 1988-07-29 ES ES8802389A patent/ES2007278A6/es not_active Expired
- 1988-07-29 SU SU884356218A patent/SU1709905A3/ru active
- 1988-07-29 BR BR8803787A patent/BR8803787A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SU1709905A3 (ru) | 1992-01-30 |
| BR8803787A (pt) | 1989-02-21 |
| ES2007278A6 (es) | 1989-06-01 |
| CA1309404C (fr) | 1992-10-27 |
| DE3825524A1 (de) | 1989-02-09 |
| IT8721548A0 (it) | 1987-07-31 |
| AR244664A1 (es) | 1993-11-30 |
| IT1222419B (it) | 1990-09-05 |