DD107023A5 - - Google Patents
Info
- Publication number
- DD107023A5 DD107023A5 DD171486A DD17148673A DD107023A5 DD 107023 A5 DD107023 A5 DD 107023A5 DD 171486 A DD171486 A DD 171486A DD 17148673 A DD17148673 A DD 17148673A DD 107023 A5 DD107023 A5 DD 107023A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7207940,A NL172058C (nl) | 1972-06-12 | 1972-06-12 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD107023A5 true DD107023A5 (es) | 1974-07-12 |
Family
ID=19816254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD171486A DD107023A5 (es) | 1972-06-12 | 1973-06-12 |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US3936500A (es) |
| JP (1) | JPS5734258B2 (es) |
| AR (1) | AR194803A1 (es) |
| AT (1) | AT347965B (es) |
| AU (1) | AU474236B2 (es) |
| BE (1) | BE800798A (es) |
| BG (1) | BG26810A3 (es) |
| BR (1) | BR7304377D0 (es) |
| CA (1) | CA996136A (es) |
| CS (1) | CS168033B2 (es) |
| DD (1) | DD107023A5 (es) |
| DE (1) | DE2329733C2 (es) |
| ES (1) | ES415803A1 (es) |
| FR (1) | FR2187770B1 (es) |
| GB (1) | GB1428429A (es) |
| HU (1) | HU175487B (es) |
| IE (1) | IE37788B1 (es) |
| IL (1) | IL42469A (es) |
| IN (1) | IN139310B (es) |
| IT (1) | IT985413B (es) |
| NL (1) | NL172058C (es) |
| NO (1) | NO149734C (es) |
| PL (1) | PL89777B1 (es) |
| SE (1) | SE402280B (es) |
| SU (1) | SU474139A3 (es) |
| TR (1) | TR17309A (es) |
| YU (1) | YU156173A (es) |
| ZA (1) | ZA733937B (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2819218A1 (de) * | 1977-05-05 | 1978-11-16 | Montedison Spa | Verfahren zur herstellung von harnstoff |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE790015A (fr) * | 1971-10-19 | 1973-04-12 | Mavrovic Ivo | Synthese de l'uree avec conversion et recuperation de chaleur ameliorees |
| US4036878A (en) * | 1972-06-12 | 1977-07-19 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
| IT1065422B (it) * | 1976-12-23 | 1985-02-25 | Snam Progetti | Processo ammoniaca-urea integrato per la produzione di urea |
| NL7713190A (nl) * | 1977-11-30 | 1979-06-01 | Unie Van Kunstmestfab Bv | Werkwijze en inrichting voor het verwijderen van ammoniumcarbamaat uit een ureumsynthese- oplossing. |
| IT1174366B (it) * | 1978-07-24 | 1987-07-01 | Ortu Francesco | Decompositore di carbammato per produzione industriale di urea |
| JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| US4433146A (en) * | 1982-04-07 | 1984-02-21 | Stamicarbon B.V. | Process for the preparation of melamine |
| NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8502228A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| US5779861A (en) * | 1993-09-03 | 1998-07-14 | Farmland Industries, Inc. | Method for treating process condensate |
| NL1004977C2 (nl) * | 1997-01-13 | 1998-07-15 | Dsm Nv | Methode om de capaciteit van een bestaand ureum proces te verhogen. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE581293A (es) * | 1958-08-08 | 1900-01-01 | ||
| NL101446C (es) * | 1960-04-08 | |||
| US3544628A (en) * | 1965-09-20 | 1970-12-01 | Pullman Inc | Urea synthesis |
-
1972
- 1972-06-12 NL NLAANVRAGE7207940,A patent/NL172058C/xx not_active IP Right Cessation
-
1973
- 1973-06-08 IL IL42469A patent/IL42469A/en unknown
- 1973-06-08 NO NO2412/73A patent/NO149734C/no unknown
- 1973-06-11 BG BG023852A patent/BG26810A3/xx unknown
- 1973-06-11 CA CA173,671A patent/CA996136A/en not_active Expired
- 1973-06-11 ZA ZA733937A patent/ZA733937B/xx unknown
- 1973-06-11 SU SU1929884A patent/SU474139A3/ru active
- 1973-06-11 HU HU73KU472A patent/HU175487B/hu unknown
- 1973-06-11 IT IT50677/73A patent/IT985413B/it active
- 1973-06-11 ES ES415803A patent/ES415803A1/es not_active Expired
- 1973-06-12 IE IE953/73A patent/IE37788B1/xx unknown
- 1973-06-12 FR FR7321250A patent/FR2187770B1/fr not_active Expired
- 1973-06-12 AR AR248535A patent/AR194803A1/es active
- 1973-06-12 PL PL1973163288A patent/PL89777B1/pl unknown
- 1973-06-12 BE BE132170A patent/BE800798A/xx not_active IP Right Cessation
- 1973-06-12 DE DE2329733A patent/DE2329733C2/de not_active Expired
- 1973-06-12 SE SE7308266A patent/SE402280B/xx unknown
- 1973-06-12 TR TR17309A patent/TR17309A/xx unknown
- 1973-06-12 GB GB2787573A patent/GB1428429A/en not_active Expired
- 1973-06-12 AU AU56856/73A patent/AU474236B2/en not_active Expired
- 1973-06-12 CS CS734251A patent/CS168033B2/cs unknown
- 1973-06-12 AT AT512273A patent/AT347965B/de not_active IP Right Cessation
- 1973-06-12 BR BR4377/73A patent/BR7304377D0/pt unknown
- 1973-06-12 JP JP6625473A patent/JPS5734258B2/ja not_active Expired
- 1973-06-12 US US05/369,391 patent/US3936500A/en not_active Expired - Lifetime
- 1973-06-12 YU YU01561/73A patent/YU156173A/xx unknown
- 1973-06-12 DD DD171486A patent/DD107023A5/xx unknown
- 1973-07-02 IN IN1535/CAL/73A patent/IN139310B/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2819218A1 (de) * | 1977-05-05 | 1978-11-16 | Montedison Spa | Verfahren zur herstellung von harnstoff |