Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-02-09
1988-10-25
Kittle, John E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
428325, 428328, 428329, 428330, 428355, 428402, 428406, 428704, C08J 932
Patent
active
047804912
ABSTRACT:
The invention primarily concerns a pressure-sensitive adhesive tape, the adhesive layer of which is filled with glass microbubbles and has a dark appearance by virtue of (1) the microbubbles are stained glass which preferably is dark, and (2) dispersed throughout the adhesive layer is a pigment or dye which preferably is dark. More broadly, the invention concerns any coherent article filled with stained-glass microbubbles. The glass of the microbubbles preferably has an ultraviolet window, permitting the article to be made by photopolymerizing a matrix filled with the microbubbles.
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Paulson Alan H.
Vesley George F.
Brink Richard E.
Kittle John E.
Minnesota Mining and Manufacturing Company
Neaveill Darla P.
Schwartz P. R.
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