Title: Bituminous carpet backing

Abstract: Fibrous floor coverings comprising a layer of fibrous fabric having an integral backing layer are disclosed. The backing layer comprises the blend of a certain bituminous component and a monoalkenyl arene/conjugated diene block copolymer.

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Inventors: Blanken, Thomas C. (Amsterdam, NL)
Schellekens, Joannes C. A. (Amsterdam, NL)

Application Number: 049380
Filing Date: 1979-06-18
Publication_date: 1980-05-06
Assignee: Shell Oil Company (Houston, TX)
Primary Class(es): 428/95 428/96, 428/97, 428/489, 442/389
Other Classes:
US Patent Ref:

Re28236	Nov, 1974	Hendricks	36/2.
3594452	Jul, 1971	De La Mare	260/880.
3595942	Jul, 1971	Wald	260/880.

Other Refs: 19257851284726

Jan, 1971	DE.
Aug, 1972	GB.

Primary Examiner: McCamish, Marion
Assistant Examiner:
Attorney: Vance; Dean F.