Signage articles and methods of making same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5725935
SERIAL NO

08720266

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention discloses signage articles having a layer of fused dry toner powder which is fused by employing a tacky pressure-sensitive adhesive and low compression. Suitable tacky pressure-sensitive adhesives include alkyl acrylate polymers or copolymers, alkyl vinyl ether polymers or copolymers, polyisobutylene, polybutadiene, and butadiene-styrene copolymers. Such signage articles further comprise a transparent cover layer disposed over the fused dry toner powder-bearing surface. Also disclosed are methods of forming signage articles, one method comprising the steps of applying dry toner powder to a first substrate surface, applying a composition including a tacky pressure-sensitive adhesive to a second substrate surface, and laminating the two substrates to admix the dry toner powder and the tacky pressure-sensitive adhesive. Either the first or second substrate may be the transparent cover layer of the resulting signage article.

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Patent Owner(s)

  • MINNESOTA MINING AND MANUFACTURING COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rajan, J Sundar Woodbury, MN 8 211

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