WO1995005341A3 - Oxidising bleach - Google Patents

Oxidising bleach Download PDF

Info

Publication number
WO1995005341A3
WO1995005341A3 PCT/EP1994/002659 EP9402659W WO9505341A3 WO 1995005341 A3 WO1995005341 A3 WO 1995005341A3 EP 9402659 W EP9402659 W EP 9402659W WO 9505341 A3 WO9505341 A3 WO 9505341A3
Authority
WO
WIPO (PCT)
Prior art keywords
peroxyhydrates
peroxyhydrate
detergent
granules
effective
Prior art date
Application number
PCT/EP1994/002659
Other languages
French (fr)
Other versions
WO1995005341A2 (en
Inventor
Howard Norman Richmond
Original Assignee
Albright & Wilson
Howard Norman Richmond
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 GB939317008A external-priority patent/GB9317008D0/en
Priority claimed from GB9403964A external-priority patent/GB9403964D0/en
Priority claimed from GB9411716A external-priority patent/GB9411716D0/en
Application filed by Albright & Wilson, Howard Norman Richmond filed Critical Albright & Wilson
Priority to AU79840/94A priority Critical patent/AU7984094A/en
Publication of WO1995005341A2 publication Critical patent/WO1995005341A2/en
Publication of WO1995005341A3 publication Critical patent/WO1995005341A3/en

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
    • C01B15/16—Peroxyhydrates; Peroxyacids or salts thereof containing phosphorus
    • 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)

Abstract

Stable, novel and highly effective peroxyhydrates of condensed phosphates, in particular tetrasodium pyrophosphate tris hydroxyhydrates are provided. Said peroxyhydrates may be further stabilised by treatment thereof with an acidic gas or vapour and/or by encapsulation of granules containing the peroxyhydrate with suitable encapsulants including film forming polymers and oils. Additionally, a pH modifier, such as an acid buffer or acid releasing agent may be added to said granules to protect them from excessively alkaline environments as found in most washing powders. The peroxyhydrates provided, are effective oxidising bleaches finding particular application in detergent formulations. Detergent compositions, especially laundry detergent and dishwashing powder compositions containing the peroxyhydrate, are also provided.
PCT/EP1994/002659 1993-08-16 1994-08-10 Oxidising bleach WO1995005341A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU79840/94A AU7984094A (en) 1993-08-16 1994-08-10 Oxidising bleach

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB939317008A GB9317008D0 (en) 1993-08-16 1993-08-16 Oxidising bleaches
GB9317008.2 1993-08-16
GB9403964.1 1994-03-02
GB9403964A GB9403964D0 (en) 1994-03-02 1994-03-02 Oxidising bleach
GB9411716A GB9411716D0 (en) 1994-06-10 1994-06-10 Oxidising bleach
GB9411716.5 1994-06-10

Publications (2)

Publication Number Publication Date
WO1995005341A2 WO1995005341A2 (en) 1995-02-23
WO1995005341A3 true WO1995005341A3 (en) 1995-04-27

Family

ID=27266817

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1994/002659 WO1995005341A2 (en) 1993-08-16 1994-08-10 Oxidising bleach

Country Status (5)

Country Link
AU (1) AU7984094A (en)
GB (1) GB2281070A (en)
IL (1) IL110641A0 (en)
MX (1) MXPA94006240A (en)
WO (1) WO1995005341A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5785934A (en) * 1995-01-06 1998-07-28 Johnson & Johnson Medical, Inc. Vapor sterilization using inorganic hydrogen peroxide complexes
US5820841A (en) * 1996-09-19 1998-10-13 Ethicon, Inc. Hydrogen peroxide complexes of inorganic salts and synthesis thereof
CN113995719B (en) * 2021-10-19 2023-06-23 河南中盛生物工程有限公司 Application of sodium carboxymethyl cellulose in improving amoxicillin and colistin sulfate injection

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB990172A (en) * 1961-08-24 1965-04-28 Albright & Wilson Mfg Ltd Production of peroxy-hydrates of sodium condensed phosphates
GB1274459A (en) * 1968-08-21 1972-05-17 Stauffer Chemical Co Potassium pyrophosphate peroxyhydrates and method of preparing the same
DD114051A1 (en) * 1974-08-02 1975-07-12
SU521224A1 (en) * 1973-05-25 1976-07-15 Ордена Ленина Институт Общей И Неорганической Химии Им.Н.С. Курнакова Ан Ссср Method for preparing sodium tripolyphosphate peroxyhydrate
FR2313443A1 (en) * 1975-06-04 1976-12-31 Kao Corp STABLE WHITENING DETERGENT COMPOSITION
FR2376694A1 (en) * 1977-01-10 1978-08-04 Interox PROCESS FOR STABILIZING PARTICLES OF PEROXYGENIC COMPOUNDS
FR2528447A1 (en) * 1982-06-10 1983-12-16 Kao Corp DETERGENT AND LAUNCHING COMPOSITION AND METHOD FOR PREPARING THE SAME

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL77262C (en) * 1950-06-13

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB990172A (en) * 1961-08-24 1965-04-28 Albright & Wilson Mfg Ltd Production of peroxy-hydrates of sodium condensed phosphates
GB1274459A (en) * 1968-08-21 1972-05-17 Stauffer Chemical Co Potassium pyrophosphate peroxyhydrates and method of preparing the same
SU521224A1 (en) * 1973-05-25 1976-07-15 Ордена Ленина Институт Общей И Неорганической Химии Им.Н.С. Курнакова Ан Ссср Method for preparing sodium tripolyphosphate peroxyhydrate
DD114051A1 (en) * 1974-08-02 1975-07-12
FR2313443A1 (en) * 1975-06-04 1976-12-31 Kao Corp STABLE WHITENING DETERGENT COMPOSITION
FR2376694A1 (en) * 1977-01-10 1978-08-04 Interox PROCESS FOR STABILIZING PARTICLES OF PEROXYGENIC COMPOUNDS
FR2528447A1 (en) * 1982-06-10 1983-12-16 Kao Corp DETERGENT AND LAUNCHING COMPOSITION AND METHOD FOR PREPARING THE SAME

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 7726, Derwent World Patents Index; AN 77-46595Y/26 *
G. RIETZ, E. MINKE: "Vergleich des thermischen Abbaus von Tetranatriumdiphosphattriperoxyhydrat und Tetranatrium-u-peroxodiphosphat", ZEITSCHRIFT FÜR CHEMIE, vol. 9, no. 12, 1969, LEIPZIG, GDR, pages 457 - 458 *

Also Published As

Publication number Publication date
GB9416265D0 (en) 1994-10-05
GB2281070A (en) 1995-02-22
AU7984094A (en) 1995-03-14
WO1995005341A2 (en) 1995-02-23
MXPA94006240A (en) 2004-12-03
IL110641A0 (en) 1994-11-11

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