Stock material or miscellaneous articles – Composite – Of polyamidoester
Reexamination Certificate
2006-01-31
2006-01-31
Bissett, Melanie (Department: 1711)
Stock material or miscellaneous articles
Composite
Of polyamidoester
C428S423700, C428S424400, C428S424600, C428S424700, C428S424800, C428S425600, C428S425800, C428S425100, C427S385500
Reexamination Certificate
active
06991851
ABSTRACT:
A dry-strippable coating composition can be incorporated into a composite article and comprises a dried water-borne polyurethane dispersion including a release additive comprising a releasing co-solvent or other selected release material. When water is removed from the polyurethane dispersion of the composite article and when the article comprises a thermoformable substrate, the article can be thermoformed to provide a shaped article. Dry-stripping the coating composition from the substrate provides a thermoformed substrate and a thermoformed protective layer. The dry-strippable coatings provide temporary protection for the surface of various products and components during manufacture, assembly, shipping, installation, painting, and refinishing operations.
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Johnson Stephen A.
Krepski Larry R.
Lewandowski Kevin M.
Mickus Daniel E.
Rowen Susan K.
3M Innovative Properties Company
Bissett Melanie
Sherman Lorraine R.
Weiss Lucy C.
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