NL74099C - - Google Patents
Info
- Publication number
- NL74099C NL74099C NL74099DA NL74099C NL 74099 C NL74099 C NL 74099C NL 74099D A NL74099D A NL 74099DA NL 74099 C NL74099 C NL 74099C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2699985X | 1950-03-03 | ||
| FR858546X | 1950-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74099C true NL74099C (ro) |
Family
ID=32299596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL74099D NL74099C (ro) | 1950-03-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2699985A (ro) |
| BE (1) | BE502036A (ro) |
| DE (1) | DE858546C (ro) |
| FR (1) | FR1015086A (ro) |
| GB (1) | GB700375A (ro) |
| NL (1) | NL74099C (ro) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2807521A (en) * | 1953-11-09 | 1957-09-24 | Chemical Construction Corp | Phosphoric acid manufacture |
| DE1129143B (de) * | 1959-04-28 | 1962-05-10 | Struthers Wells Corp | Verfahren zur Herstellung von Phosphorsaeure aus Calciumphosphat |
| NL137436C (ro) * | 1960-10-26 | |||
| BE629736A (ro) * | 1960-11-18 | |||
| US3403528A (en) * | 1961-03-30 | 1968-10-01 | Singmaster & Breyer | Vacuum cooling for multi-stage chemical processes |
| US3257168A (en) * | 1961-03-30 | 1966-06-21 | Singmaster & Breyer | Process for manufacture of phosphoric acid |
| US3197280A (en) * | 1962-01-11 | 1965-07-27 | Chemical Construction Corp | Production of phosphoric acid |
| FR1550127A (ro) * | 1967-07-17 | 1968-12-20 | ||
| US3642456A (en) * | 1969-07-29 | 1972-02-15 | Grace W R & Co | Process for purifying gypsum using fluosilicic acid |
| LU78457A1 (fr) * | 1977-11-04 | 1979-06-13 | Prayon Soc | Procede de fabrication d'acide phosphorique |
| DE3136811A1 (de) * | 1981-09-16 | 1983-06-01 | Aleksandr Jakovlevič Abramovič | Verfahren zur herstellung von phosphorsaeure |
| CN1055449C (zh) * | 1996-01-05 | 2000-08-16 | 云南磷肥厂 | 湿法磷酸生产中硫酸的槽外稀释工艺 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1028737A (en) * | 1911-08-22 | 1912-06-04 | Kestner Evaporator Company | Process of evaporation and apparatus therefor. |
| US1145728A (en) * | 1912-03-25 | 1915-07-06 | Wilhelm Wiegand | Evaporating apparatus. |
| NL28397C (ro) * | 1930-01-29 | |||
| US2109347A (en) * | 1931-06-13 | 1938-02-22 | Solvay Process Co | Process and apparatus for the production of salts |
| US1991733A (en) * | 1931-12-29 | 1935-02-19 | Foster Wheeler Corp | Method and apparatus for cooling liquid |
| US2064833A (en) * | 1932-03-30 | 1936-12-22 | Dorr Co Inc | Cooling of liquids |
| US2049032A (en) * | 1932-07-02 | 1936-07-28 | Dorr Co Inc | Preparation of phosphoric acid |
| US2020460A (en) * | 1933-04-20 | 1935-11-12 | Foster Wheeler Corp | Refrigeration |
| US2064609A (en) * | 1933-06-14 | 1936-12-15 | Elliott Co | Method and apparatus for cooling liquids |
| US2091898A (en) * | 1933-07-07 | 1937-08-31 | Dorr Co Inc | Crystallization |
| US2449040A (en) * | 1942-12-30 | 1948-09-07 | Chemical Construction Corp | Manufacture of hexamethylene tetramine |
-
0
- BE BE502036D patent/BE502036A/xx unknown
- NL NL74099D patent/NL74099C/xx active
-
1950
- 1950-03-27 FR FR1015086D patent/FR1015086A/fr not_active Expired
- 1950-10-30 US US192959A patent/US2699985A/en not_active Expired - Lifetime
-
1951
- 1951-03-09 DE DED8156A patent/DE858546C/de not_active Expired
- 1951-03-13 GB GB5972/51A patent/GB700375A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB700375A (en) | 1953-12-02 |
| FR1015086A (fr) | 1952-08-27 |
| BE502036A (ro) | |
| US2699985A (en) | 1955-01-18 |
| DE858546C (de) | 1952-12-08 |