Powder coating composition having a mixture of first and...

Details Powder coating composition having a mixture of first and... Powder coating composition having a mixture of first and...

2005-07-26

2005-07-26

Parker, Frederick J. (Department: 1762)

Coating processes

Direct application of electrical, magnetic, wave, or...

Electrostatic charge, field, or force utilized

C427S485000, C106S218000, C428S147000

Reexamination Certificate

active

06921559

ABSTRACT:
A powder coating composition comprises a mixture of first and second component powder coating compositions which are separate, preferably widely separated, in a triboelectric reference series indicative of the extent to which powder coating compositions may be distinguishable from one another when electrically charged. The mixed powder coating composition is especially suitable for coating articles having recessed portions. A quantitative basis is given for determining the separation of the individual component compositions in the triboelectric reference series, and preferred minimum separation criteria are given.

REFERENCES:
patent: 5002846 (1991-03-01), Creatura et al.
patent: 5735944 (1998-04-01), Haubennestel et al.
patent: 5741602 (1998-04-01), Hoppe et al.
patent: 36 00 395 (1987-08-01), None
patent: 0 795 589 (1997-09-01), None
patent: 00/01775 (2000-01-01), None
Chrisment, A., “Color & Colorimetry”;The Colorimetric Spaces; pp. 18-19 (1998).

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