Coating system comprising a dry powder composition...

Details Coating system comprising a dry powder composition... Coating system comprising a dry powder composition...

2007-04-17

2007-04-17

Niland, Patrick (Department: 1714)

Coating processes

With post-treatment of coating or coating material

Heating or drying

C052S309130, C052S309140, C052S309170, C052S514500, C052S516000, C052S741300, C052S741400, C052S741410, C427S372200, C427S429000, C427S385500, C427S389900, C427S391000, C427S407100, C427S411000, C427S421100, C427S428010, C524S425000, C524S426000, C524S427000, C524S284000, C524S300000, C524S320000, C524S321000, C524S002000, C524S004000, C524S005000, C524S008000, C524S301000, C524S445000

Reexamination Certificate

active

10686525

ABSTRACT:
A coating system for in-situ coating of a surface formed by a plurality of plasterboard sections comprises a dry powder composition which is dispersible in an aqueous applicator medium and provides a very high quality surface finish to which gloss or matt paint may be applied directly without joint photographing or show-through of fasteners. The coating composition may be applied by a spray coating technique or a roller technique. The dry powder composition comprises calcium carbonate and, by weight, relative to calcium carbonate, from 4% to 11% of a polymeric binder, from 0.60% to 1.5% of a thickening agent and from 0.10% to 0.35% of a surfactant.

REFERENCES:
patent: 3164562 (1965-01-01), Breed
patent: 3891582 (1975-06-01), Desmarais
patent: 3907725 (1975-09-01), Forte et al.
patent: 4743475 (1988-05-01), Negri et al.
patent: 5576384 (1996-11-01), N olken et al.
patent: 4300319 (1994-01-01), None

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