NL77254C - - Google Patents
Info
- Publication number
- NL77254C NL77254C NL77254DA NL77254C NL 77254 C NL77254 C NL 77254C NL 77254D A NL77254D A NL 77254DA NL 77254 C NL77254 C NL 77254C
- 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
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
- C01B25/2346—Concentration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/14—Evaporating with heated gases or vapours or liquids in contact with the liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1016799T | 1950-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL77254C true NL77254C (OSRAM) |
Family
ID=9574031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL77254D NL77254C (OSRAM) | 1950-04-27 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE502466A (OSRAM) |
| FR (1) | FR1016799A (OSRAM) |
| NL (1) | NL77254C (OSRAM) |
-
0
- NL NL77254D patent/NL77254C/xx active
- BE BE502466D patent/BE502466A/fr unknown
-
1950
- 1950-04-27 FR FR1016799D patent/FR1016799A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE502466A (OSRAM) | |
| FR1016799A (fr) | 1952-11-21 |