Biaxially oriented polypropylene tape backing
First Claim
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1. A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE TAPE WOUND UPON ITSELF IN ROLL FORM COMPRISING A BACKING OF BIAXIALLY ORIENTED FILM CONSISTING OF POLYPROPYLENE AND HAVING A SURFACE WHICH HAS BEEN ACTIVATED TO IMPROVE ITS ANCHORAGE CHARACTERISTICS, AND A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE COMPOSITION COMPRISING A TERPOLYMER HAVING THE FOLLOWING COMPONENTS:
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1 Claim
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1. A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE TAPE WOUND UPON ITSELF IN ROLL FORM COMPRISING A BACKING OF BIAXIALLY ORIENTED FILM CONSISTING OF POLYPROPYLENE AND HAVING A SURFACE WHICH HAS BEEN ACTIVATED TO IMPROVE ITS ANCHORAGE CHARACTERISTICS, AND A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE COMPOSITION COMPRISING A TERPOLYMER HAVING THE FOLLOWING COMPONENTS:
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Current AssigneePermacel (Nitto Denko Corporation)
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Original AssigneeGerald Robinson, Jerome Kronfeld
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InventorsRobinson, Gerald, JEROME KRONFELD
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Application NumberUS04/204,435Time in Patent Office1,369 DaysField of SearchUS Class Current428/343CPC Class CodesC09J 7/22 Plastics; Metallised plasticsC09J 7/243 Ethylene or propylene polymersC09J 7/38 Pressure-sensitive adhesive...Y10S 428/91 Product with molecular orie...Y10T 428/28 Web or sheet containing str...
