Plastic and nonmetallic article shaping or treating: processes – Treatment of material by vibrating – jarring – or agitating...
Reexamination Certificate
2005-02-07
2009-12-15
Lee, Edmund H. (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Treatment of material by vibrating, jarring, or agitating...
C264S071000, C264S245000, C264S328800, C264S328110, C264SDIG057, C425S803000, C425S574000, C425SDIG032
Reexamination Certificate
active
07632441
ABSTRACT:
In an apparatus and process for manufacturing a detergent bar, the bar comprises a first distinct zone comprising a first component and at least a second distinct zone comprising a second component. In an injection step, the first and second components are injected into the mold cavity via nozzle means having a first orifice through which the first component is injected. The second component is injected through a second orifice of the nozzle means. The first and second components solidify in the cavity to form the bar. The interface between the zones may be non-planar and/or such that the zones cannot be separated by a unidirectional cut. The first and second zones may respectively comprise detergent and a benefit agent. The first and second zones may differ in texture.
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Browne Michael Andrew
Lloyd Paul
Mani Sudhir
Overton Christine Ann
Stocker Frederick Edmund
Bornstein Alan A.
Lee Edmund H.
Unilever Home & Personal Care USA , division of Conopco, Inc.
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