AT339220B - Verfahren zur verhinderung von steinbildenden ablagerungen - Google Patents
Verfahren zur verhinderung von steinbildenden ablagerungenInfo
- Publication number
- AT339220B AT339220B AT844075A AT844075A AT339220B AT 339220 B AT339220 B AT 339220B AT 844075 A AT844075 A AT 844075A AT 844075 A AT844075 A AT 844075A AT 339220 B AT339220 B AT 339220B
- Authority
- AT
- Austria
- Prior art keywords
- methods
- stone forming
- preventing stone
- forming deposit
- deposit
- Prior art date
Links
- 239000004575 stone Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742453037 DE2453037B2 (de) | 1974-11-08 | 1974-11-08 | Verfahren zur verhinderung von steinbildenden ablagerungen mittels saurer monophosphorsaeureester von hydroxyalkylharnstoffen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA844075A ATA844075A (de) | 1977-01-15 |
| AT339220B true AT339220B (de) | 1977-10-10 |
Family
ID=5930357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT844075A AT339220B (de) | 1974-11-08 | 1975-11-06 | Verfahren zur verhinderung von steinbildenden ablagerungen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4041110A (de) |
| AT (1) | AT339220B (de) |
| BE (1) | BE835377A (de) |
| CH (1) | CH596097A5 (de) |
| DE (1) | DE2453037B2 (de) |
| ES (1) | ES441640A1 (de) |
| FR (1) | FR2290505A1 (de) |
| GB (1) | GB1489960A (de) |
| NL (1) | NL7513090A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4585848A (en) * | 1981-04-09 | 1986-04-29 | Evans Edwin R | Fluorosilicone rubber composition, process and polymer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2609360A (en) * | 1950-04-25 | 1952-09-02 | George C Daul | Process of reacting polyvinylalcohol with urea phosphate |
| US3636142A (en) * | 1968-04-04 | 1972-01-18 | Exxon Research Engineering Co | Triorthophosphate esters of ethoxylated triols |
| US3644205A (en) * | 1970-07-10 | 1972-02-22 | Exxon Research Engineering Co | Inhibition of aqueous systems from deposition of scale |
-
1974
- 1974-11-08 DE DE19742453037 patent/DE2453037B2/de active Granted
-
1975
- 1975-10-09 ES ES441640A patent/ES441640A1/es not_active Expired
- 1975-10-31 GB GB45562/75A patent/GB1489960A/en not_active Expired
- 1975-11-05 FR FR7533753A patent/FR2290505A1/fr active Granted
- 1975-11-05 CH CH1432675A patent/CH596097A5/xx not_active IP Right Cessation
- 1975-11-06 AT AT844075A patent/AT339220B/de not_active IP Right Cessation
- 1975-11-07 US US05/629,755 patent/US4041110A/en not_active Expired - Lifetime
- 1975-11-07 BE BE161701A patent/BE835377A/xx unknown
- 1975-11-07 NL NL7513090A patent/NL7513090A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| BE835377A (fr) | 1976-03-01 |
| DE2453037A1 (de) | 1976-05-13 |
| GB1489960A (en) | 1977-10-26 |
| US4041110A (en) | 1977-08-09 |
| ATA844075A (de) | 1977-01-15 |
| DE2453037B2 (de) | 1976-11-11 |
| FR2290505B3 (de) | 1979-09-21 |
| FR2290505A1 (fr) | 1976-06-04 |
| NL7513090A (nl) | 1976-05-11 |
| ES441640A1 (es) | 1977-04-01 |
| CH596097A5 (de) | 1978-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |