DD96235A5 - - Google Patents
Info
- Publication number
- DD96235A5 DD96235A5 DD162816A DD16281672A DD96235A5 DD 96235 A5 DD96235 A5 DD 96235A5 DD 162816 A DD162816 A DD 162816A DD 16281672 A DD16281672 A DD 16281672A DD 96235 A5 DD96235 A5 DD 96235A5
- Authority
- DD
- German Democratic Republic
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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Extraction Or Liquid Replacement (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7106344A NL7106344A (en) | 1971-05-07 | 1971-05-07 | Sepn of lactams -combined with nitrophosphate fertiliser prodn |
| NL7106342A NL7106342A (en) | 1971-05-07 | 1971-05-07 | Separating lactams from sulphuric acid solutions - - using mother liquor to produce dihydrogen phosphates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD96235A5 true DD96235A5 (xx) | 1973-03-12 |
Family
ID=26644655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD162816A DD96235A5 (xx) | 1971-05-07 | 1972-05-05 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3820972A (xx) |
| BE (1) | BE783098A (xx) |
| DD (1) | DD96235A5 (xx) |
| DE (1) | DE2221694A1 (xx) |
| ES (1) | ES402470A1 (xx) |
| FR (1) | FR2137552B1 (xx) |
| GB (1) | GB1379180A (xx) |
| PL (1) | PL81745B1 (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589868A (zh) * | 2019-09-04 | 2019-12-20 | 湖北三宁化工股份有限公司 | 己内酰胺硫酸酯制备高纯硫酸盐并副产己内酰胺的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL144600B (nl) * | 1964-03-07 | 1975-01-15 | Stamicarbon | Afscheiding van lactamen uit een sterk zwavelzuur milieu. |
-
1972
- 1972-04-28 GB GB1996772A patent/GB1379180A/en not_active Expired
- 1972-05-02 US US00249728A patent/US3820972A/en not_active Expired - Lifetime
- 1972-05-03 DE DE19722221694 patent/DE2221694A1/de active Pending
- 1972-05-05 DD DD162816A patent/DD96235A5/xx unknown
- 1972-05-05 PL PL1972155187A patent/PL81745B1/pl unknown
- 1972-05-05 FR FR7216083A patent/FR2137552B1/fr not_active Expired
- 1972-05-05 BE BE783098A patent/BE783098A/xx unknown
- 1972-05-06 ES ES402470A patent/ES402470A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2137552B1 (xx) | 1974-09-27 |
| GB1379180A (en) | 1975-01-02 |
| PL81745B1 (en) | 1975-08-30 |
| BE783098A (fr) | 1972-11-06 |
| DE2221694A1 (de) | 1972-11-23 |
| US3820972A (en) | 1974-06-28 |
| FR2137552A1 (xx) | 1972-12-29 |
| ES402470A1 (es) | 1975-04-01 |