DK123930B - Fremgangsmåde til fremstilling af vanduopløseligt natriumpolyphosphat med mindre end 1 vægtprocent opløselige phosphater. - Google Patents
Fremgangsmåde til fremstilling af vanduopløseligt natriumpolyphosphat med mindre end 1 vægtprocent opløselige phosphater.Info
- Publication number
- DK123930B DK123930B DK304468AA DK304468A DK123930B DK 123930 B DK123930 B DK 123930B DK 304468A A DK304468A A DK 304468AA DK 304468 A DK304468 A DK 304468A DK 123930 B DK123930 B DK 123930B
- Authority
- DK
- Denmark
- Prior art keywords
- preparation
- weight
- water
- less
- sodium polyphosphate
- Prior art date
Links
- 229910019142 PO4 Inorganic materials 0.000 title 1
- 235000021317 phosphate Nutrition 0.000 title 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 title 1
- 235000019830 sodium polyphosphate Nutrition 0.000 title 1
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
- C01B25/44—Metaphosphates
- C01B25/445—Metaphosphates of alkali metals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Fireproofing Substances (AREA)
- Drying Of Solid Materials (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK0062653 | 1967-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK123930B true DK123930B (da) | 1972-08-21 |
Family
ID=7230717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK304468AA DK123930B (da) | 1967-06-27 | 1968-06-26 | Fremgangsmåde til fremstilling af vanduopløseligt natriumpolyphosphat med mindre end 1 vægtprocent opløselige phosphater. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3652205A (cs) |
| AT (1) | AT283270B (cs) |
| BE (1) | BE717150A (cs) |
| CH (1) | CH504382A (cs) |
| DE (1) | DE1667569C3 (cs) |
| DK (1) | DK123930B (cs) |
| FR (1) | FR1570296A (cs) |
| GB (1) | GB1200961A (cs) |
| IT (1) | IT1035009B (cs) |
| NL (1) | NL159633B (cs) |
| SE (1) | SE328556B (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE792120A (fr) * | 1971-12-11 | 1973-03-16 | Benckiser Knapsack Gmbh | Procede de preparation de sel de maddrell, et produit obtenu ( |
| DE3543394A1 (de) * | 1985-12-07 | 1987-06-11 | Benckiser Knapsack Gmbh | Verfahren zur herstellung von maddrellschem salz, sowie natriumdihydrogenphosphat, enthaltend 0,05 - 2,5 mol% phosphorsaeure oder ammoniumphosphat in statistischer verteilung |
| US4997634A (en) * | 1990-05-02 | 1991-03-05 | Fmc Corporation | Preparation of medium density, fast-dissolving, tetrasodium pyrophosphate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2021012A (en) * | 1932-10-27 | 1935-11-12 | Swann Res Inc | Process for production of acid alkali-metal pyrophosphates |
| US2356799A (en) * | 1943-05-27 | 1944-08-29 | Monsanto Chemicals | Process for producing insoluble sodium metaphosphate |
| US2737443A (en) * | 1952-06-17 | 1956-03-06 | Monsanto Chemicals | Process for the production of stabilized sodium acid pyrophosphate |
| US3063801A (en) * | 1958-07-25 | 1962-11-13 | Monsanto Chemicals | Non-degradative drying of sodium triphosphate hexahydrate |
-
1967
- 1967-06-27 DE DE1667569A patent/DE1667569C3/de not_active Expired
-
1968
- 1968-06-06 US US734941A patent/US3652205A/en not_active Expired - Lifetime
- 1968-06-12 GB GB27915/68A patent/GB1200961A/en not_active Expired
- 1968-06-19 NL NL6808614.A patent/NL159633B/xx not_active IP Right Cessation
- 1968-06-21 AT AT595568A patent/AT283270B/de not_active IP Right Cessation
- 1968-06-25 IT IT37945/68A patent/IT1035009B/it active
- 1968-06-25 SE SE08604/68A patent/SE328556B/xx unknown
- 1968-06-26 DK DK304468AA patent/DK123930B/da not_active IP Right Cessation
- 1968-06-26 BE BE717150D patent/BE717150A/xx not_active IP Right Cessation
- 1968-06-26 CH CH959068A patent/CH504382A/de not_active IP Right Cessation
- 1968-06-27 FR FR1570296D patent/FR1570296A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT283270B (de) | 1970-07-27 |
| FR1570296A (cs) | 1969-06-06 |
| IT1035009B (it) | 1979-10-20 |
| BE717150A (cs) | 1968-12-27 |
| NL6808614A (cs) | 1968-12-30 |
| CH504382A (de) | 1971-03-15 |
| SE328556B (cs) | 1970-09-21 |
| DE1667569C3 (de) | 1975-07-31 |
| DE1667569A1 (de) | 1971-05-13 |
| DE1667569B2 (de) | 1973-05-17 |
| NL159633B (nl) | 1979-03-15 |
| GB1200961A (en) | 1970-08-05 |
| US3652205A (en) | 1972-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |