CA2236466C - Particules de catalyseur de blanchiment - Google Patents

Particules de catalyseur de blanchiment Download PDF

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Publication number
CA2236466C
CA2236466C CA002236466A CA2236466A CA2236466C CA 2236466 C CA2236466 C CA 2236466C CA 002236466 A CA002236466 A CA 002236466A CA 2236466 A CA2236466 A CA 2236466A CA 2236466 C CA2236466 C CA 2236466C
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CA
Canada
Prior art keywords
bleach
sodium
bleach catalyst
catalyst
composite particles
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
CA002236466A
Other languages
English (en)
Other versions
CA2236466A1 (fr
Inventor
Edward Robert Offshack
Jeffrey Donald Painter
Melissa Dee Aquino
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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 US08/550,269 external-priority patent/US5703034A/en
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of CA2236466A1 publication Critical patent/CA2236466A1/fr
Application granted granted Critical
Publication of CA2236466C publication Critical patent/CA2236466C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

L'invention concerne des particules composites contenant un catalyseur de blanchiment utilisables comme ingrédients de compositions détergentes granulaires. Ces particules composites contiennent: (a) de 1 % environ à 60 % environ d'un catalyseur de blanchiment (de préférence un catalyseur au cobalt); et (b) de 40 % environ à 99 % environ d'un véhicule qui fond dans la plage allant de 38 DEG C environ à 77 DEG C environ (choisi de préférence parmi les polyéthylène glycols, les cires paraffiniques et leurs mélanges). L'invention concerne également un procédé pour fabriquer ces particules. Ces particules sont particulièrement utiles comme ingrédients de compositions détergentes telles que les compositions pour la lessive, les détergents pour les surfaces dures et surtout les détergents pour lave-vaisselle.
CA002236466A 1995-10-30 1996-10-16 Particules de catalyseur de blanchiment Expired - Fee Related CA2236466C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/550,269 US5703034A (en) 1995-10-30 1995-10-30 Bleach catalyst particles
US08/550,269 1995-10-30
PCT/US1996/016533 WO1997016521A1 (fr) 1995-10-30 1996-10-16 Particules de catalyseur de blanchiment

Publications (2)

Publication Number Publication Date
CA2236466A1 CA2236466A1 (fr) 1997-05-09
CA2236466C true CA2236466C (fr) 2006-02-14

Family

ID=35892332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002236466A Expired - Fee Related CA2236466C (fr) 1995-10-30 1996-10-16 Particules de catalyseur de blanchiment

Country Status (1)

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CA (1) CA2236466C (fr)

Also Published As

Publication number Publication date
CA2236466A1 (fr) 1997-05-09

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