Thermal print receptive and frangible retrorefelective polymeric sheetings

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5508105
SERIAL NO

08186751

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Polymeric sheeting materials directly thermally printed upon with a thermal printing system and a resin-based colorant/binder. The polymeric sheeting materials comprise a core sheet and a thermally print receptive surface on the core sheet. The thermally print receptive surface may be formed from compositions comprising a polyurethane dispersion. The thermally print receptive surface is smooth, transparent, durable, and weatherable. Signage articles made from the polymeric sheeting materials of the invention may be configured to have the desired combination of frangibility, durability, retroreflectivity and/or low production cost. Frangible, retroreflective signage articles may be produced from the polymeric sheeting materials and may have durable variable information thermally and variably printed directly on the articles.

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Patent Owner(s)

Patent OwnerAddress
MINNESOTA MINING AND MANUFACTURING COMPANYP O BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Look, Thomas F Ham Lake, MN 25 606
McGrath, Joseph M Lake Elmo, MN 23 993
O'Keefe, Robert V New Brighton, MN 8 156
Orensteen, Bruce D St. Paul, MN 23 485
Watkins, Robert F Roseville, MN 11 200
Zwack, Joseph R Roseville, MN 4 161

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