NL37793C - - Google Patents
Info
- Publication number
- NL37793C NL37793C NL37793DA NL37793C NL 37793 C NL37793 C NL 37793C NL 37793D A NL37793D A NL 37793DA NL 37793 C NL37793 C NL 37793C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
-
- 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)
- Fodder In General (AREA)
- Polymerisation Methods In General (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE314976T | 1928-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL37793C true NL37793C (xx) |
Family
ID=31894697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL37793D NL37793C (xx) | 1928-07-07 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1776595A (xx) |
| BE (1) | BE360054A (xx) |
| FR (1) | FR672846A (xx) |
| GB (1) | GB314976A (xx) |
| NL (1) | NL37793C (xx) |
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 |
| US2521459A (en) * | 1949-02-03 | 1950-09-05 | Dow Chemical Co | Preparing sodium chloride brine |
| US2885263A (en) * | 1955-06-10 | 1959-05-05 | Chemical Construction Corp | Anhydrite process for phosphoric acid manufacture |
| US3467496A (en) * | 1966-11-07 | 1969-09-16 | American Cyanamid Co | Process for preparing wet process phosphoric acid and calcium sulfate from phosphate rock |
| US4405575A (en) * | 1982-04-23 | 1983-09-20 | Henderson Albert E | Method of defluorinating phosphates |
| US5169444A (en) * | 1986-02-20 | 1992-12-08 | Gebruder Knauf Westdeutsche Gipswerke Kg | Process for preparing calcium sulfate anhydrite |
-
0
- NL NL37793D patent/NL37793C/xx active
- BE BE360054D patent/BE360054A/xx unknown
-
1929
- 1929-04-04 GB GB10441/29A patent/GB314976A/en not_active Expired
- 1929-04-09 FR FR672846D patent/FR672846A/fr not_active Expired
- 1929-04-12 US US354698A patent/US1776595A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1776595A (en) | 1930-09-23 |
| BE360054A (xx) | |
| GB314976A (xx) | 1930-07-04 |
| FR672846A (fr) | 1930-01-07 |