Oil-free, pressure sensitive adhesive

Hansen , et al. October 3, 1

Patent Grant T975004

U.S. patent number T975,004 [Application Number 05/873,819] was granted by the patent office on 1978-10-03 for oil-free, pressure sensitive adhesive. This patent grant is currently assigned to Shell Oil Company. Invention is credited to George T. Coker, Jr., David R. Hansen.


United States Patent T975,004
Hansen ,   et al. October 3, 1978

Oil-free, pressure sensitive adhesive

Abstract

an oil-free, pressure sensitive adhesive composition comprises a monoalkenyl arene/isoprene block copolymer, a tackifying resin compatible with the isoprene block and a predominately aromatic second resin compatible with the monoalkenyl arene block. These adhesive compositions possess excellent adhesive properties along with a lower melt viscosity and lower cost.


Inventors: Hansen; David R. (Houston, TX), Coker, Jr.; George T. (Houston, TX)
Assignee: Shell Oil Company (N/A)
Family ID: 25362400
Appl. No.: 05/873,819
Filed: January 31, 1978

Current U.S. Class: 525/98
Current CPC Class: C09J 153/02 (20130101)
Current International Class: C09J 153/02 (20060101); C09J 153/00 (20060101); C08L 045/00 ()


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