EP0687245B1 - Verfahren zur herstellung von stabilisiertem natriumpercarbonat - Google Patents

Verfahren zur herstellung von stabilisiertem natriumpercarbonat

Info

Publication number
EP0687245B1
EP0687245B1 EP94907569A EP94907569A EP0687245B1 EP 0687245 B1 EP0687245 B1 EP 0687245B1 EP 94907569 A EP94907569 A EP 94907569A EP 94907569 A EP94907569 A EP 94907569A EP 0687245 B1 EP0687245 B1 EP 0687245B1
Authority
EP
European Patent Office
Prior art keywords
pct
sodium percarbonate
perborate
date sep
sodium
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 - Lifetime
Application number
EP94907569A
Other languages
English (en)
French (fr)
Other versions
EP0687245A1 (de
Inventor
Claas-Jürgen Klasen
Birgit Bertsch-Frank
Thomas Lieser
Peter Schubert
Klaus Müller
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Publication of EP0687245A1 publication Critical patent/EP0687245A1/de
Application granted granted Critical
Publication of EP0687245B1 publication Critical patent/EP0687245B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/10—Peroxyhydrates; Peroxyacids or salts thereof containing carbon
    • C01B15/106—Stabilisation of the solid compounds, subsequent to the preparation or to the crystallisation, by additives or by coating
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/10—Peroxyhydrates; Peroxyacids or salts thereof containing carbon
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3937—Stabilising agents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3942—Inorganic per-compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cell Separators (AREA)
  • Fuel Cell (AREA)
EP94907569A 1993-03-02 1994-02-15 Verfahren zur herstellung von stabilisiertem natriumpercarbonat Expired - Lifetime EP0687245B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4306399A DE4306399C2 (de) 1993-03-02 1993-03-02 Verfahren zur Herstellung von stabilisiertem Natriumpercarbonat
DE4306399 1993-03-02
PCT/EP1994/000422 WO1994020413A1 (de) 1993-03-02 1994-02-15 Verfahren zur herstellung von stabilisiertem natriumpercarbonat

Publications (2)

Publication Number Publication Date
EP0687245A1 EP0687245A1 (de) 1995-12-20
EP0687245B1 true EP0687245B1 (de) 1998-04-08

Family

ID=6481690

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94907569A Expired - Lifetime EP0687245B1 (de) 1993-03-02 1994-02-15 Verfahren zur herstellung von stabilisiertem natriumpercarbonat

Country Status (11)

Country Link
US (1) US5632965A (de)
EP (1) EP0687245B1 (de)
JP (1) JPH08507491A (de)
KR (1) KR960700957A (de)
AT (1) ATE164817T1 (de)
AU (1) AU6109794A (de)
DE (2) DE4306399C2 (de)
FI (1) FI954109A0 (de)
SI (1) SI9400104A (de)
TR (1) TR27376A (de)
WO (1) WO1994020413A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19717729A1 (de) * 1997-04-26 1998-10-29 Degussa Umhüllte Natriumpercarbonatpartikel, Verfahren zu ihrer Herstellung und deren Verwendung
KR100366556B1 (ko) 2000-04-26 2003-01-09 동양화학공업주식회사 세제용 입상 코티드 과탄산나트륨과 이의 제조방법
EP1939275A1 (de) * 2006-12-29 2008-07-02 Solvay SA Nicht-oxidative Percarbonatpartikel
ITUA20161748A1 (it) 2016-03-17 2017-09-17 I M A Industria Macch Automatiche S P A In Sigla Ima S P A Gruppo per la regolarizzazione e laminazione di un flusso gassoso

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE548432C (de) * 1928-10-17 1932-04-12 Degussa Herstellung eines Perborates
FR2226460B1 (de) * 1973-04-20 1976-12-17 Interox
JPS5315717B2 (de) * 1973-12-20 1978-05-26
DE2652776A1 (de) * 1975-05-13 1978-05-24 Interox Chemicals Ltd Verfahren zur herstellung von natriumpercarbonat
LU72575A1 (de) * 1975-05-23 1977-02-10
DE2651442C3 (de) * 1976-11-11 1979-11-15 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Natriumpercarbonat-Partikel
DE2712139C3 (de) * 1977-03-19 1982-05-19 Degussa Ag, 6000 Frankfurt Natriumpercarbonat-Schichtpartikel
DE2810379C3 (de) * 1978-03-10 1980-12-11 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von stabilisiertem Natriumpercarbonat
LU76548A1 (de) * 1977-01-10 1978-09-18
DE2800760C2 (de) * 1978-01-09 1983-01-27 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Natriumpercarbonat aus einer Sodalösung bzw. -suspension
GB1575792A (en) * 1978-01-10 1980-10-01 Interox Peroxygen compounds
ES8503626A1 (es) * 1982-06-10 1985-03-01 Kao Corp Un procedimiento para la preparacion de percarborato sodico recubierto con un borato.
DE3321082C2 (de) * 1982-06-10 1996-08-22 Kao Corp Bleich-Reinigungsmittel
JPS60118606A (ja) * 1983-11-28 1985-06-26 Mitsubishi Gas Chem Co Inc 安定化された過炭酸ナトリウム粒状物
DE3720277A1 (de) * 1987-06-19 1988-12-29 Degussa Verfahren zur verminderung der neigung zum zusammenbacken von teilchenfoermigen aktivsauerstoffverbindungen
JPH0662998B2 (ja) * 1990-04-06 1994-08-17 エフ エム シー コーポレーション 過酸素洗濯用漂白剤
JP2636496B2 (ja) * 1990-11-21 1997-07-30 花王 株式会社 安定な過炭酸ソーダ粒子及びその製造法

Also Published As

Publication number Publication date
AU6109794A (en) 1994-09-26
SI9400104A (en) 1994-09-30
DE4306399A1 (de) 1994-09-08
US5632965A (en) 1997-05-27
DE4306399C2 (de) 1995-06-14
EP0687245A1 (de) 1995-12-20
ATE164817T1 (de) 1998-04-15
TR27376A (tr) 1995-02-01
KR960700957A (ko) 1996-02-24
FI954109A (fi) 1995-09-01
JPH08507491A (ja) 1996-08-13
FI954109A0 (fi) 1995-09-01
DE59405647D1 (de) 1998-05-14
WO1994020413A1 (de) 1994-09-15

Similar Documents

Publication Publication Date Title
TW363061B (en) Process for the production of epoxides from olefins
MX9504062A (es) Procedimiento para la fabricacion de particulas de persales.
EP0396287A3 (de) Verfahren und Erzeugnis für ein verbessertes Bleichen unter in situ Bildung von Persäure
GB2304706B (en) Preparation and use of novel biocidal solutions
CA2374665A1 (en) Chemical composition and method
NZ331593A (en) Method and apparatus for making aqueous chlorine dioxide
NZ332569A (en) A process for producing a percarbonate without the addition of a chloride salting out agent in which the dissolution step restricts the sodium carbonate to 60-90% of its saturated concentration at 35C
EP0687245B1 (de) Verfahren zur herstellung von stabilisiertem natriumpercarbonat
PL315197A1 (en) Process for stabilising alkaline metal percarbonates disintegrated into particles
US5616280A (en) Bleaching composition
AU7277900A (en) Method for the continuous production of precipitated calcium carbonate
NZ286721A (en) Preparation of chlorine dioxide by reduction of chlorate in the presence of alkali metal and sulphate ions; recycling regenerated alkali metal sulphate having reduced acidity
DE59713058D1 (de) Verfahren zur herstellung von natriumpercarbonat
CA2177145A1 (en) Method for producing of cationic starch
AU567787B2 (en) Process and product for bleaching of chemical paper- making pulps
HU9300615D0 (en) Method for producing sodium hydroxide
ES475099A1 (es) Procedimiento para la preparacion de un percarbonato sodico grueso y compacto.
EP0368100A3 (de) Teilchenförmige Zusammensetzung mit Bleichmittel und optischem Aufheller und deren Herstellung
FR2318112A1 (fr) Procede de cristallisation continue pour la preparation du peroxycarbonate de sodium
CA2108785A1 (en) Method for the control of sodium oxalate levels in sodium aluminate solutions
EP0832982A3 (de) Verfahren zur Herstellung von Z-L-Asparaginsäure-Dinatriumsalz aus Fumarsäure
JP3381970B2 (ja) ポリ−α−ヒドロキシアクリル酸塩とジエチレントリアミン五酢酸塩の混合組成物
DE69904874D1 (de) Hochreines Alkalimetallchlorit und Verfahren zu dessen Herstellung
EP1343718A1 (de) Auf wasserstoffperoxid basierendes verfahren zur erzeugung von chlordioxid
WO1999041234A3 (en) Process for production of organic disulfides

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19950808

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE DE ES FR GB IT SE

17Q First examination report despatched

Effective date: 19960626

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

RBV Designated contracting states (corrected)

Designated state(s): AT BE DE ES FR GB IT SE

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

PUAC Information related to the publication of a b1 document modified or deleted

Free format text: ORIGINAL CODE: 0009299EPPU

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE DE ES FR GB IT SE

REF Corresponds to:

Ref document number: 164817

Country of ref document: AT

Date of ref document: 19980415

Kind code of ref document: T

DB1 Publication of patent cancelled
REF Corresponds to:

Ref document number: 59405647

Country of ref document: DE

Date of ref document: 19980514

18W Application withdrawn

Withdrawal date: 19980312