Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Reexamination Certificate
2005-02-15
2005-02-15
Tarazano, D. Lawrence (Department: 1773)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
C428S423100, C428S423300, C428S520000, C428S522000, C427S407100, C427S372200, C427S384000
Reexamination Certificate
active
06855403
ABSTRACT:
A method for preparing multi-layer protective coatings having enhanced durability with easy removability under conventional stripping conditions is disclosed. The invention is based on applying to a substrate, a first-coating composition that is removable, followed by application of a second-coating composition that is highly durable but not readily removable. Preferred second-coating compositions are based on polymers that provide highly crosslinked ‘non-removable’ (under conventional stripping conditions) coatings if used alone. The resultant multi-layer coating compositions provide enhanced detergent resistance while retaining easy overall removability properties.
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Johnson Stephen E.
Rohn and Haas Company
Tarazano D. Lawrence
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