NL38681C - - Google Patents
Info
- Publication number
- NL38681C NL38681C NL58393A NL58393A NL38681C NL 38681 C NL38681 C NL 38681C NL 58393 A NL58393 A NL 58393A NL 58393 A NL58393 A NL 58393A NL 38681 C NL38681 C NL 38681C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
-
- 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
-
- 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
- C05B11/08—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 sulfuric acid
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE164831X | 1931-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL38681C true NL38681C (de) | 1936-08-15 |
Family
ID=20302315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL58393A NL38681C (de) | 1931-09-01 | 1931-09-09 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US2002547A (de) |
| BE (1) | BE390476A (de) |
| CH (1) | CH164831A (de) |
| DE (1) | DE716217C (de) |
| DK (1) | DK48080C (de) |
| FR (1) | FR751903A (de) |
| GB (1) | GB378670A (de) |
| NL (1) | NL38681C (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2531977A (en) * | 1948-01-22 | 1950-11-28 | Allied Chem & Dye Corp | Process for manufacture of phosphoric acid |
| US3467496A (en) * | 1966-11-07 | 1969-09-16 | American Cyanamid Co | Process for preparing wet process phosphoric acid and calcium sulfate from phosphate rock |
| US3619136A (en) * | 1968-11-12 | 1971-11-09 | Atlantic Richfield Co | Process for producing phosphoric acid |
| US3615189A (en) * | 1969-06-09 | 1971-10-26 | Central Glass Co Ltd | Process for preparing gypsum hemihydrate |
| US4405575A (en) * | 1982-04-23 | 1983-09-20 | Henderson Albert E | Method of defluorinating phosphates |
| RU2031842C1 (ru) * | 1991-07-01 | 1995-03-27 | Юрий Георгиевич Горный | Способ извлечения редкоземельных элементов из фосфатной руды |
-
1931
- 1931-09-08 GB GB25226/31A patent/GB378670A/en not_active Expired
- 1931-09-09 DE DEA63340D patent/DE716217C/de not_active Expired
- 1931-09-09 NL NL58393A patent/NL38681C/xx active
- 1931-09-23 US US564720A patent/US2002547A/en not_active Expired - Lifetime
-
1932
- 1932-08-17 BE BE390476D patent/BE390476A/xx unknown
- 1932-08-17 CH CH164831D patent/CH164831A/de unknown
- 1932-08-18 FR FR751903D patent/FR751903A/fr not_active Expired
- 1932-08-20 DK DK48080D patent/DK48080C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| BE390476A (de) | 1932-10-31 |
| DE716217C (de) | 1942-01-16 |
| DK48080C (da) | 1933-11-27 |
| CH164831A (de) | 1933-10-31 |
| US2002547A (en) | 1935-05-28 |
| GB378670A (en) | 1932-08-18 |
| FR751903A (fr) | 1933-09-12 |