EP0687245B1 - Procede de fabrication de percarbonate de sodium stabilise - Google Patents

Procede de fabrication de percarbonate de sodium stabilise

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
German (de)
English (en)
Other versions
EP0687245A1 (fr
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/fr
Application granted granted Critical
Publication of EP0687245B1 publication Critical patent/EP0687245B1/fr
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)
  • Fuel Cell (AREA)
  • Cell Separators (AREA)
EP94907569A 1993-03-02 1994-02-15 Procede de fabrication de percarbonate de sodium stabilise Expired - Lifetime EP0687245B1 (fr)

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 (fr) 1993-03-02 1994-02-15 Procede de fabrication de percarbonate de sodium stabilise

Publications (2)

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

Family

ID=6481690

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94907569A Expired - Lifetime EP0687245B1 (fr) 1993-03-02 1994-02-15 Procede de fabrication de percarbonate de sodium stabilise

Country Status (11)

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

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 (fr) * 2006-12-29 2008-07-02 Solvay SA Particules de percarbonate non oxydantes
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 (fr) * 1973-04-20 1976-12-17 Interox
JPS5315717B2 (fr) * 1973-12-20 1978-05-26
DE2652776A1 (de) * 1975-05-13 1978-05-24 Interox Chemicals Ltd Verfahren zur herstellung von natriumpercarbonat
LU72575A1 (fr) * 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
DE2810379C3 (de) * 1978-03-10 1980-12-11 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von stabilisiertem Natriumpercarbonat
DE2712139C3 (de) * 1977-03-19 1982-05-19 Degussa Ag, 6000 Frankfurt Natriumpercarbonat-Schichtpartikel
LU76548A1 (fr) * 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
DE3321082C2 (de) * 1982-06-10 1996-08-22 Kao Corp Bleich-Reinigungsmittel
CA1202854A (fr) * 1982-06-10 1986-04-08 Muthumi Kuroda Detergent blanchisseur
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
AU7677291A (en) * 1990-04-06 1991-10-30 Fmc Corporation Peroxygen laundry bleach
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
KR960700957A (ko) 1996-02-24
WO1994020413A1 (fr) 1994-09-15
FI954109A (fi) 1995-09-01
US5632965A (en) 1997-05-27
EP0687245A1 (fr) 1995-12-20
SI9400104A (en) 1994-09-30
DE4306399A1 (de) 1994-09-08
DE59405647D1 (de) 1998-05-14
JPH08507491A (ja) 1996-08-13
AU6109794A (en) 1994-09-26
TR27376A (tr) 1995-02-01
ATE164817T1 (de) 1998-04-15
DE4306399C2 (de) 1995-06-14
FI954109A0 (fi) 1995-09-01

Similar Documents

Publication Publication Date Title
MX9504062A (es) Procedimiento para la fabricacion de particulas de persales.
US4473540A (en) High efficiency chlorine dioxide process
EP0396287A3 (fr) Méthode et produit pour accroítre le blanchiment avec formation in situ de peracide
GB2304706B (en) Preparation and use of novel biocidal solutions
CA2374665A1 (fr) Composition chimique et procede correspondant
CA2182436A1 (fr) Methode de preparation d'epoxydes a partir d'olefines
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 (fr) Procede de fabrication de percarbonate de sodium stabilise
PL315197A1 (en) Process for stabilising alkaline metal percarbonates disintegrated into particles
CA2177145A1 (fr) Procede pour produire un amidon cationique
AU567787B2 (en) Process and product for bleaching of chemical paper- making pulps
GB2011874A (en) Process for the production of sodium percarbonate
CA2000102A1 (fr) Produit granule contenant un agent de blanchiment et un agent de blanchiment optique, et procede pour sa fabrication
CA2023452A1 (fr) Procede de production du dioxyde de chlore
EP0392823A3 (fr) Récupération de la glycine et du sel de Glauber de liqueurs résiduaires de cristaux
EP0131378B1 (fr) Procédé de production de dioxyde de chlore
SE9300199D0 (sv) Metod vid aatervinning av cellulosaavlutar
AU2542400A (en) Method for producing l-ascorbic acid
EP0832982A3 (fr) Procédé de préparation du sel disodique de l'acide z-l-aspartique à partir de l'acide fumarique
CA2108785A1 (fr) Methode de controle de la concentration d'oxalate de sodium dans des solutions d'aluminate de sodium
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 (fr) Processus de generation de dioxyde de chlore a base de peroxyde d'hydrogene
WO1999041234A3 (fr) Procede de production de bisulfures organiques

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