IP Library Granted Patent US 7,517,847
Granted Patent B2
US 7,517,847 · App. 11/432,178 · Granted Apr 14, 2009

Bleaching product comprising a water-soluble film coated with bleaching agents

Assignee: The Procter & Gamble Company
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,517,847
App. No.
11/432,178
Granted
Apr 14, 2009
Kind
B2
Abstract

Bleaching product in the form of a coated substrate comprising a water-soluble film and a coating comprising a bleaching agent.

Claims (10)

1. A bleaching product in the form of a coated substrate, said substrate comprising a water-soluble film having a coating on said substrate, said coating consisting essentially of a bleach and a bleach activator, wherein the coating comprises at least two separate discrete regions comprising a first discrete region comprising said bleach coating and a second discrete region comprising said bleach activator coating, wherein the discrete regions' areas are from about 0.5 to about 1600 mm 2 and the separation between the discrete regions is from about 0.1 to 20 mm.

2. A bleaching product according to claim 1 wherein the coating is in a level of at least 5 g/m 2 and a loading of at least 30% by weight of the uncoated film.

3. A bleaching product according to claim 1 wherein the bleach is an organic bleach.

4. A bleaching product according to claim 3 wherein the organic bleach is a diacyl peroxide having an average weight diameter of from about 0.1 to about 100 μm.

5. A bleaching product according to claim 1 wherein the coated substrate further comprises an auxiliary agent selected from the group consisting of barrier agents, solubility modifiers, aesthetic agents and mixtures thereof.

6. A bleaching product according to claim 1 wherein the water-soluble film or water-soluble films comprise the coating on both sides.

7. A cleaning product comprising the bleaching product according to claim 1 and one or more cleaning auxiliaries.

8. A cleaning product according to claim 7 wherein the bleaching product is in the form of pieces having a maximum length of from about 0.2 to about 100 mm.

9. A cleaning product in unit dose form comprising an enveloping material and a cleaning composition contained therein, wherein the enveloping material comprises the bleaching product of claim 1 .

10. A cleaning product according to claim 9 wherein the enveloping material comprises a second water-soluble film comprising a coating comprising one or more enzymes; wherein the second water-soluble film is sealed to the first water-soluble film.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 19, 2006
From: CATALFAMO, VINCENZO; DENOME, FRANK WILLIAM; BECKHOLT, DENNIS ALLEN; AOUAD, YOUSE GEORGES; ARCHBOLD, JAMES MICHAEL
To: PROCTER & GAMBLE COMPANY, THE
Reel/Frame 017963/0786 →
Continuity (2)
Provisional Application 6068107000 · May 13, 2005
Related Publication 20060258553A1 · Nov 16, 2006