ATE20195T1 - Verfahren zur herstellung von entschaeumern und nach diesem verfahren produzierte entschaeumer. - Google Patents
Verfahren zur herstellung von entschaeumern und nach diesem verfahren produzierte entschaeumer.Info
- Publication number
- ATE20195T1 ATE20195T1 AT83111982T AT83111982T ATE20195T1 AT E20195 T1 ATE20195 T1 AT E20195T1 AT 83111982 T AT83111982 T AT 83111982T AT 83111982 T AT83111982 T AT 83111982T AT E20195 T1 ATE20195 T1 AT E20195T1
- Authority
- AT
- Austria
- Prior art keywords
- urea
- organic carrier
- defoamers
- carrier media
- mono
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/1809—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety
- C07C273/1818—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety from -N=C=O and XNR'R"
- C07C273/1827—X being H
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
- B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
- B01D19/0413—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing N-atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Colloid Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823245482 DE3245482A1 (de) | 1982-12-08 | 1982-12-08 | Entschaeumer und verfahren zu ihrer herstellung |
EP83111982A EP0115585B1 (de) | 1982-12-08 | 1983-11-29 | Verfahren zur Herstellung von Entschäumern und nach diesem Verfahren produzierte Entschäumer |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE20195T1 true ATE20195T1 (de) | 1986-06-15 |
Family
ID=6180158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT83111982T ATE20195T1 (de) | 1982-12-08 | 1983-11-29 | Verfahren zur herstellung von entschaeumern und nach diesem verfahren produzierte entschaeumer. |
Country Status (5)
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3901608A1 (de) * | 1989-01-20 | 1990-07-26 | Byk Chemie Gmbh | Beschichtungs- und formmassen enthaltend polymerisate von alkylvinylethern und deren verwendung als verlauf- oder antischaummittel |
CA2021191A1 (en) * | 1989-07-19 | 1991-01-20 | Kazuo Kodama | Method for production of aqueous dispersion of long-chain alkyl graft polymer and aqueous release agent |
US4960540A (en) * | 1989-08-24 | 1990-10-02 | Friel Jr Thomas C | Alkoxylated bis-amide defoaming compounds |
US5096617A (en) * | 1990-05-24 | 1992-03-17 | The B. F. Goodrich Company | Defoamer emulsion |
DE19917186C1 (de) | 1999-04-16 | 2000-09-21 | Goldschmidt Ag Th | Mittel zur Entschäumung wäßriger Medien und dessen Verwendung |
DE10240371A1 (de) * | 2002-09-02 | 2004-03-11 | Glatt Ingenieurtechnik Gmbh | Verfahren zur Herstellung von Entschäumern |
US8544264B2 (en) * | 2007-03-14 | 2013-10-01 | Deere & Company | Pump flow control of hydraulic circuit and associated method |
EP2087931A3 (de) | 2008-02-05 | 2011-08-31 | Evonik Goldschmidt GmbH | Entschäumung von ionischen Flüssigkeiten |
DE102008043032A1 (de) | 2008-10-22 | 2010-04-29 | Evonik Goldschmidt Gmbh | Entschäumer zur Entschäumung von Lacken |
CA2781224A1 (en) | 2009-11-18 | 2011-05-26 | Bada Ag | Method for producing composite materials based on polymers and carbon nanotubes (cnts), composite materials produced in this way and use thereof |
DE102011005484A1 (de) | 2011-03-14 | 2012-09-20 | Evonik Goldschmidt Gmbh | Zusammensetzung zur Optimierung von mineralischen Baustoffmassen |
PT2883918E (pt) | 2013-12-12 | 2016-01-27 | Sto Se & Co Kgaa | Composição para revestimento |
WO2018122463A1 (en) * | 2016-12-31 | 2018-07-05 | Kemira Oyj | Defoamer, its use and methods of controlling, preventing or reducing foam |
AU2019384146A1 (en) * | 2018-11-21 | 2021-06-10 | Buckman Laboratories International, Inc. | Effective foam control on process beet washing water by automatic application of antifoam |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2469450A (en) * | 1942-09-19 | 1949-05-10 | Nat Aluminate Corp | Process for inhibiting foaming in steam boilers |
US2580922A (en) * | 1942-09-19 | 1952-01-01 | Nat Aluminate Corp | Prevention of foaming in steam generation |
US3243372A (en) * | 1961-01-24 | 1966-03-29 | Chevron Res | Greases thickened with polyurea |
US3522304A (en) * | 1967-07-03 | 1970-07-28 | Wyandotte Chemicals Corp | Preparation of polyhydroxy diureas |
DE2043088A1 (de) * | 1970-08-31 | 1972-03-02 | Henkel & Cie GmbH, 4000 Dusseldorf | Schwachschaumendes Wasch , Reimgungs und Enthartungsmittel |
DE2043086A1 (de) * | 1970-08-31 | 1972-03-30 | Henkel & Cie GmbH, 4000 Dusseldorf | Schwachschaumendes Wasch , Reimgungs und Enthartungsmittel |
US3923683A (en) * | 1971-09-07 | 1975-12-02 | Nalco Chemical Co | Amides and hydrophobic silica as antifoams |
US3965015A (en) * | 1972-08-01 | 1976-06-22 | Colgate-Palmolive Company | Bleach-resistant fabric softener |
US4104287A (en) * | 1973-02-24 | 1978-08-01 | Basf Aktiengesellschaft | 4-M,M'-Di-t-butyl-p-hydroxyphenyl) butyl-2 compounds |
SU925940A1 (ru) * | 1975-09-19 | 1983-10-07 | Ордена Ленина Институт Элементоорганических Соединений Ан Ссср | Способ получени пищевых белковых студней |
DE2558040A1 (de) * | 1975-12-22 | 1977-06-23 | Henkel & Cie Gmbh | Mittel zur schaumbekaempfung |
DE2557898A1 (de) * | 1975-12-22 | 1977-06-30 | Henkel & Cie Gmbh | Mittel zur schaumbekaempfung |
US3990905A (en) * | 1976-02-09 | 1976-11-09 | Nalco Chemical Company | Food process antifoam |
US4110309A (en) * | 1976-11-22 | 1978-08-29 | Texaco Development Corporation | Polyether diureide epoxy additives |
US4107073A (en) * | 1977-03-17 | 1978-08-15 | Nalco Chemical Company | Pulp and papermaking additive |
FR2446829A1 (fr) * | 1978-11-16 | 1980-08-14 | Glaxo Group Ltd | Derives de polymethylene disubstitues en alpha, omega, procede pour leur preparation et compositions pharmaceutiques les contenant |
US4261844A (en) * | 1979-12-21 | 1981-04-14 | Shell Oil Company | Grease compositions |
-
1982
- 1982-12-08 DE DE19823245482 patent/DE3245482A1/de not_active Withdrawn
-
1983
- 1983-11-29 AT AT83111982T patent/ATE20195T1/de not_active IP Right Cessation
- 1983-11-29 EP EP83111982A patent/EP0115585B1/de not_active Expired
- 1983-11-29 DE DE8383111982T patent/DE3363965D1/de not_active Expired
- 1983-12-08 JP JP58232608A patent/JPS59115706A/ja active Granted
-
1986
- 1986-05-02 US US06/860,686 patent/US4696761A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4696761A (en) | 1987-09-29 |
EP0115585B1 (de) | 1986-06-04 |
DE3245482A1 (de) | 1984-06-14 |
DE3363965D1 (en) | 1986-07-10 |
JPH0218123B2 (US20090163788A1-20090625-C00002.png) | 1990-04-24 |
JPS59115706A (ja) | 1984-07-04 |
EP0115585A1 (de) | 1984-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EELA | Cancelled due to lapse of time |