Cleaning and liquid contact with solids – Processes – Oils – grease – tar – or wax removal – by dissolving
Reexamination Certificate
2005-08-02
2005-08-02
Webb, Gregory (Department: 1751)
Cleaning and liquid contact with solids
Processes
Oils, grease, tar, or wax removal, by dissolving
C510S407000, C510S505000
Reexamination Certificate
active
06923874
ABSTRACT:
In a process to clean a polyurethane glove, which has been cured on a glove form, so as to remove non-volatile residues and low-volatility residues from the glove before the glove is removed from the form, the form bearing the glove is immersed in a quiescent or agitated bath consisting essentially of a solvent selected from isopropyl alcohol, hexane, and blends of isopropyl and hexane, preferably isopropyl alcohol, at an elevated temperature of approximately 60° C., for a predetermined time not less than approximately five minutes, preferably for a predetermined time of approximately ten to twenty minutes, whereupon the form bearing the glove is withdrawn from the bath and the glove is allowed to be air-dried on the form.
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Jared Lee John
O'Neill Michael
Pisacane Ferdinand Frederick
Invista North America S.A.R.L.
The Recovery Group, Inc.
Webb Gregory
Wood Phillips Katz Clark & Mortimer
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