Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1993-03-09
1994-06-21
Ryan, Patrick J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428407, 428198, 428195, 427222, 522183, 5263285, B32B 900
Patent
active
053227310
ABSTRACT:
Adhesive beads comprise a core comprising a pressure sensitive adhesive material and an essentially discontinuous organic polymer disposed about the core. The beads are free-flowing at room temperature. Upon application of heat and/or pressure the core is activated and blends with the coating to provide a pressure sensitive adhesive.
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Callahan, Jr. Joseph P.
Enanoza Rudyard M.
Weigel Mark D.
Griswold Gary L.
Kirn Walter N.
Lee Cathy K.
Minnesota Mining and Manufacturing Company
Ryan Patrick J.
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