Method for coating substrates

Coating processes – Direct application of electrical – magnetic – wave – or... – Pretreatment of substrate or post-treatment of coated substrate

Reexamination Certificate

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Details

C427S180000, C118S667000, C118S7230AN, C118S724000

Reexamination Certificate

active

07618687

ABSTRACT:
Disclosed are methods for coating a substrate. These methods include: (a) vertically orienting the substrate between a vertically oriented backstop and a spray gun; (b) at least partially coating the vertically oriented substrate with a substantially 100% solids, radiation curable liquid coating composition by passing the composition through the spray gun wherein the composition is atomized; whereby a portion of the atomized coating composition deposits on the vertically oriented substrate and a portion of the atomized coating composition deposits on the vertically oriented backstop; (c) exposing the coated substrate to ionizing radiation and/or actinic radiation to cure the coating composition deposited thereon; and (d) removing and reusing at least a portion of the coating composition deposited on the vertically oriented backstop. Related coating systems are also disclosed.

REFERENCES:
patent: 4044175 (1977-08-01), Coxon
patent: 4290383 (1981-09-01), Pfender
patent: 6746535 (2004-06-01), Hasenour et al.
patent: 7470225 (2008-12-01), Herrin
patent: 2002/0033134 (2002-03-01), Fannon
patent: 2003/0176527 (2003-09-01), Votteler et al.
patent: 2006/0029730 (2006-02-01), Campbell et al.
patent: 2006/0029791 (2006-02-01), Campbell et al.
patent: 2006/0030634 (2006-02-01), Dean et al.
patent: 202004003531 (2004-06-01), None
patent: 0453751 (1991-10-01), None

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