JPS4916847B1 - - Google Patents
Info
- Publication number
- JPS4916847B1 JPS4916847B1 JP45057413A JP5741370A JPS4916847B1 JP S4916847 B1 JPS4916847 B1 JP S4916847B1 JP 45057413 A JP45057413 A JP 45057413A JP 5741370 A JP5741370 A JP 5741370A JP S4916847 B1 JPS4916847 B1 JP S4916847B1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Fertilizers (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45057413A JPS4916847B1 (enExample) | 1970-07-01 | 1970-07-01 | |
| FR7123006A FR2099882A5 (en) | 1970-07-01 | 1971-06-24 | Anhydrous molten urea prodn - by a 2-stage process |
| SU1677737A SU422140A3 (enExample) | 1970-07-01 | 1971-06-30 | |
| NL717109106A NL152546B (nl) | 1970-07-01 | 1971-07-01 | Werkwijze voor het in twee trappen concentreren van een waterhoudende ureumoplossing tot een nagenoeg van water vrij gesmolten ureum. |
| US05/656,010 US4069253A (en) | 1970-07-01 | 1976-02-06 | Process for the production of water-free molten urea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45057413A JPS4916847B1 (enExample) | 1970-07-01 | 1970-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4916847B1 true JPS4916847B1 (enExample) | 1974-04-25 |
Family
ID=13054945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45057413A Pending JPS4916847B1 (enExample) | 1970-07-01 | 1970-07-01 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4916847B1 (enExample) |
| FR (1) | FR2099882A5 (enExample) |
| NL (1) | NL152546B (enExample) |
| SU (1) | SU422140A3 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559930B (zh) * | 2019-09-16 | 2021-11-30 | 山东益丰生化环保股份有限公司 | 一种车用尿素溶液及其制备方法 |
-
1970
- 1970-07-01 JP JP45057413A patent/JPS4916847B1/ja active Pending
-
1971
- 1971-06-24 FR FR7123006A patent/FR2099882A5/fr not_active Expired
- 1971-06-30 SU SU1677737A patent/SU422140A3/ru active
- 1971-07-01 NL NL717109106A patent/NL152546B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7109106A (enExample) | 1972-01-04 |
| FR2099882A5 (en) | 1972-03-17 |
| NL152546B (nl) | 1977-03-15 |
| SU422140A3 (enExample) | 1974-03-30 |