CH489430A - Verfahren zur Herstellung von kondensierten Alkaliphosphaten - Google Patents
Verfahren zur Herstellung von kondensierten AlkaliphosphatenInfo
- Publication number
- CH489430A CH489430A CH941465A CH941465A CH489430A CH 489430 A CH489430 A CH 489430A CH 941465 A CH941465 A CH 941465A CH 941465 A CH941465 A CH 941465A CH 489430 A CH489430 A CH 489430A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- alkali phosphates
- condensed alkali
- condensed
- phosphates
- Prior art date
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
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/40—Polyphosphates
- C01B25/41—Polyphosphates of alkali metals
- C01B25/412—Preparation from alkali metal orthophosphates
- C01B25/416—Pure alkali metal polyphosphates from impure starting materials
-
- 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
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/40—Polyphosphates
- C01B25/41—Polyphosphates of alkali metals
- C01B25/412—Preparation from alkali metal orthophosphates
-
- 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
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/42—Pyrophosphates
-
- 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
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/42—Pyrophosphates
- C01B25/425—Pyrophosphates of alkali metals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK0053530 | 1964-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH489430A true CH489430A (de) | 1970-04-30 |
Family
ID=7226755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH941465A CH489430A (de) | 1964-07-22 | 1965-07-06 | Verfahren zur Herstellung von kondensierten Alkaliphosphaten |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3433585A (de) |
| AT (1) | AT263700B (de) |
| BE (1) | BE667208A (de) |
| CH (1) | CH489430A (de) |
| GB (1) | GB1100863A (de) |
| IL (1) | IL24004A (de) |
| NL (1) | NL150080B (de) |
| NO (1) | NO115992B (de) |
| SE (1) | SE312542B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3930156A1 (de) * | 1989-09-09 | 1991-03-21 | Hoechst Ag | Verfahren zur herstellung von natriumtripolyphosphat |
| FI92820C (fi) * | 1990-04-06 | 1995-01-10 | Kemira Oy | Menetelmä alkalimetallifosfaatin valmistamiseksi |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA594033A (en) * | 1960-03-08 | Rodis Franz | Alkali metal triphosphates, alkali metal pyrophosphates and mixtures thereof and a process of preparing same | |
| US2977317A (en) * | 1954-10-21 | 1961-03-28 | Knapsack Ag | Process for producing compositions containing sodium tripolyphosphate |
-
1965
- 1965-07-02 NO NO158778A patent/NO115992B/no unknown
- 1965-07-06 CH CH941465A patent/CH489430A/de not_active IP Right Cessation
- 1965-07-06 SE SE8903/65A patent/SE312542B/xx unknown
- 1965-07-20 US US473507A patent/US3433585A/en not_active Expired - Lifetime
- 1965-07-21 IL IL24004A patent/IL24004A/xx unknown
- 1965-07-21 AT AT669865A patent/AT263700B/de active
- 1965-07-22 GB GB31277/65A patent/GB1100863A/en not_active Expired
- 1965-07-22 BE BE667208D patent/BE667208A/xx unknown
- 1965-07-22 NL NL656509516A patent/NL150080B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE312542B (de) | 1969-07-21 |
| NL6509516A (de) | 1966-01-24 |
| AT263700B (de) | 1968-07-25 |
| NL150080B (nl) | 1976-07-15 |
| GB1100863A (en) | 1968-01-24 |
| BE667208A (de) | 1965-11-16 |
| IL24004A (en) | 1969-01-29 |
| NO115992B (de) | 1969-01-06 |
| US3433585A (en) | 1969-03-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |