Owens-corning Fiberglas Corporation

Exxon Research and Engineering Company

William W Lincoln

Francis X Mayer

Martin O Gernand

Glenn D Lamb

Stephen J Jones

The underside of the tab portion of an asphalt shingle is provided with a layer of foamed asphalt. The foamed asphalt layer may be continuous or discontinuous.

Asphalt shingle with foamed asphalt layer under tabs

Tab sealant asphalt adhesive is foamed and then dispensed through a nozzle on asphalt shingle material.

Strip shingles with foamed asphalt as the tab seal adhesive and method

Apparatus for effecting fluid-solids contacting wherein a bed stationary downward moving ferromagnetic particles are contacted within a contacting chamber with a fluid which passes through the bed in a cross-flow manner, said bed being structured or stabilized, by a magnetic field the improvement which comprises providing at least one support means positioned near or adjacent to the opening means, said support means extending into the contacting chamber. Also disclosed are processes for using the improved magnetically stabilized cross-flow contactor including processes for removing particulates from gaseous streams, flue gas desulfurization processes and the like.

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Newark, OH, United States of America

William W Lincoln