Process for measuring the transfer resistance of a cosmetic...

Details Process for measuring the transfer resistance of a cosmetic... Process for measuring the transfer resistance of a cosmetic...

2007-08-21

2007-08-21

Cygan, Michael (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

C436S164000

Reexamination Certificate

active

11007180

ABSTRACT:
Disclosed herein is a process for measuring the transfer resistance of a cosmetic product, such as a foundation, comprising: i) depositing an amount of the cosmetic product onto a first face of a support; ii) applying the first face of the support onto a sheet, under given pressure and given duration conditions; iii) while maintaining a pressure, effecting a relative translational motion between the sheet and the support, parallel to the plane of the sheet and at a substantially constant speed; and iv) determining a transfer index for the product as a function of the amount of residual product on the first face, or in the event of a residual amount that is greater than zero and less than the said given amount, as a function of the length of a trail formed by the product transferred onto the sheet.

REFERENCES:
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patent: 6340466 (2002-01-01), Drechsler et al.
patent: 6649173 (2003-11-01), Arnaud et al.
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patent: 2002/0128615 (2002-09-01), Tyrrell et al.
patent: 2003/0165429 (2003-09-01), Takeoka et al.
patent: 2005/0260762 (2005-11-01), Giron
patent: WO 2004/055073 (2004-07-01), None
“Digital Ink Rub Tester,” Internet Article, ′en lignel 2002, XP002291872.

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