ATE122250T1 - Entschäumungsmittel. - Google Patents

Entschäumungsmittel.

Info

Publication number
ATE122250T1
ATE122250T1 AT92918109T AT92918109T ATE122250T1 AT E122250 T1 ATE122250 T1 AT E122250T1 AT 92918109 T AT92918109 T AT 92918109T AT 92918109 T AT92918109 T AT 92918109T AT E122250 T1 ATE122250 T1 AT E122250T1
Authority
AT
Austria
Prior art keywords
cationically
charged species
pulp
washing
defoamers
Prior art date
Application number
AT92918109T
Other languages
English (en)
Inventor
Edwin H Flaherty
Mohan A Rao
Original Assignee
Dorset Ind Chemicals Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB919118410A external-priority patent/GB9118410D0/en
Priority claimed from GB919123420A external-priority patent/GB9123420D0/en
Application filed by Dorset Ind Chemicals Ltd filed Critical Dorset Ind Chemicals Ltd
Application granted granted Critical
Publication of ATE122250T1 publication Critical patent/ATE122250T1/de

Links

Classifications

    • 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
AT92918109T 1991-08-28 1992-08-28 Entschäumungsmittel. ATE122250T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919118410A GB9118410D0 (en) 1991-08-28 1991-08-28 Defoamer composition
GB919123420A GB9123420D0 (en) 1991-11-05 1991-11-05 Defoamer composition-ii

Publications (1)

Publication Number Publication Date
ATE122250T1 true ATE122250T1 (de) 1995-05-15

Family

ID=26299450

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92918109T ATE122250T1 (de) 1991-08-28 1992-08-28 Entschäumungsmittel.

Country Status (9)

Country Link
EP (1) EP0605449B1 (de)
JP (1) JP2518599B2 (de)
AT (1) ATE122250T1 (de)
AU (1) AU2448692A (de)
CA (1) CA2116681C (de)
DE (1) DE69202463D1 (de)
FI (1) FI940934A (de)
NO (1) NO303427B1 (de)
WO (1) WO1993004758A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006057373B3 (de) * 2006-12-04 2007-10-18 Byk-Chemie Gmbh Entschäumer für wässrige Medien
WO2012075611A1 (en) * 2010-12-10 2012-06-14 The Procter & Gamble Company Laundry detergents

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751358A (en) * 1949-11-28 1956-06-19 Shell Dev Non-foaming detergents
US3180786A (en) * 1962-04-02 1965-04-27 Nalco Chemical Co Amide-ether compounds and use in inhibiting foam
US3666681A (en) * 1970-03-16 1972-05-30 Dow Corning Antifoam preparation for aqueous systems
US3677963A (en) * 1970-09-30 1972-07-18 Diamond Shamrock Corp Defoamer composition and method of preparation
US3935121A (en) * 1973-06-29 1976-01-27 Betz Laboratories, Inc. Foam control compositions for aqueous systems, its preparation, and process using same
US3951853A (en) * 1974-11-04 1976-04-20 Diamond Shamrock Corporation Defoamer composition
JPS5283408A (en) * 1976-01-01 1977-07-12 Sandoz Ag Oxyalkylated alkyl polyamine * its preparation and method of controling or removing foam

Also Published As

Publication number Publication date
WO1993004758A1 (en) 1993-03-18
EP0605449B1 (de) 1995-05-10
NO940685L (no) 1994-04-22
AU2448692A (en) 1993-04-05
JP2518599B2 (ja) 1996-07-24
FI940934A0 (fi) 1994-02-28
CA2116681A1 (en) 1993-03-18
CA2116681C (en) 1999-05-18
JPH06510475A (ja) 1994-11-24
DE69202463D1 (de) 1995-06-14
NO940685D0 (no) 1994-02-28
EP0605449A1 (de) 1994-07-13
FI940934A (fi) 1994-03-23
NO303427B1 (no) 1998-07-13

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties