FR2739303B1 - ANTI-FOAM COMPOSITION BASED ON SILICA AND SILICONE AND ONE OF ITS METHODS OF OBTAINING - Google Patents

ANTI-FOAM COMPOSITION BASED ON SILICA AND SILICONE AND ONE OF ITS METHODS OF OBTAINING

Info

Publication number
FR2739303B1
FR2739303B1 FR9511631A FR9511631A FR2739303B1 FR 2739303 B1 FR2739303 B1 FR 2739303B1 FR 9511631 A FR9511631 A FR 9511631A FR 9511631 A FR9511631 A FR 9511631A FR 2739303 B1 FR2739303 B1 FR 2739303B1
Authority
FR
France
Prior art keywords
silicone
silica
obtaining
methods
composition based
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR9511631A
Other languages
French (fr)
Other versions
FR2739303A1 (en
Inventor
Maurice Duvernay
Christian Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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
Application filed by Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Priority to FR9511631A priority Critical patent/FR2739303B1/en
Priority to PCT/FR1996/001470 priority patent/WO1997011765A1/en
Publication of FR2739303A1 publication Critical patent/FR2739303A1/en
Application granted granted Critical
Publication of FR2739303B1 publication Critical patent/FR2739303B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B01D19/0409—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing Si-atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Degasification And Air Bubble Elimination (AREA)
FR9511631A 1995-09-28 1995-09-28 ANTI-FOAM COMPOSITION BASED ON SILICA AND SILICONE AND ONE OF ITS METHODS OF OBTAINING Expired - Fee Related FR2739303B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9511631A FR2739303B1 (en) 1995-09-28 1995-09-28 ANTI-FOAM COMPOSITION BASED ON SILICA AND SILICONE AND ONE OF ITS METHODS OF OBTAINING
PCT/FR1996/001470 WO1997011765A1 (en) 1995-09-28 1996-09-20 Silica- and silicone-based antifoaming composition and method for obtaining same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9511631A FR2739303B1 (en) 1995-09-28 1995-09-28 ANTI-FOAM COMPOSITION BASED ON SILICA AND SILICONE AND ONE OF ITS METHODS OF OBTAINING

Publications (2)

Publication Number Publication Date
FR2739303A1 FR2739303A1 (en) 1997-04-04
FR2739303B1 true FR2739303B1 (en) 1997-12-26

Family

ID=9483200

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9511631A Expired - Fee Related FR2739303B1 (en) 1995-09-28 1995-09-28 ANTI-FOAM COMPOSITION BASED ON SILICA AND SILICONE AND ONE OF ITS METHODS OF OBTAINING

Country Status (2)

Country Link
FR (1) FR2739303B1 (en)
WO (1) WO1997011765A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5846454A (en) * 1997-05-23 1998-12-08 Osi Specialties, Inc. Water dispersible antifoam concentrates

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1545185C3 (en) * 1961-10-18 1974-06-20 Wacker-Chemie Gmbh, 8000 Muenchen Process for the production of antifoams based on polysiloxane
JPS5748307A (en) * 1980-09-05 1982-03-19 Toray Silicone Co Ltd Composition of defoaming agent
FR2509624A1 (en) * 1981-07-15 1983-01-21 Rhone Poulenc Spec Chim AQUEOUS DISPERSIONS OF ORGANOPOLYSILOXANIC ANTI-MOIST COMPOSITIONS
JPS62250916A (en) * 1986-04-25 1987-10-31 Toray Silicone Co Ltd Antifoamer composition
CA1300781C (en) * 1986-11-14 1992-05-12 Shingo Sewa Method of producing a silicone defoamer composition
JP3368005B2 (en) * 1993-08-26 2003-01-20 東レ・ダウコーニング・シリコーン株式会社 Antifoam composition

Also Published As

Publication number Publication date
FR2739303A1 (en) 1997-04-04
WO1997011765A1 (en) 1997-04-03

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Legal Events

Date Code Title Description
ST Notification of lapse