Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1981-10-26
1983-05-10
Lusignan, Michael R.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
106273R, 106278, 106279, 106280, 106281R, 427389, 428489, 524 59, D04H 108
Patent
active
043829899
ABSTRACT:
The present invention is an asphaltic composition which is useful as a roofing asphalt formulation and method of making this formulation. The composition includes about 39 to 99 percent by weight of oxidized asphalt and between 1 and about 8 percent of oxidized polyethylene. It is preferred to use between about 0 to 40 percent of the saturant, which can be an unoxidized asphalt, to modify the viscosity of the formulation. There can be a filled asphaltic composition comprising about 40 percent by weight to about 99 percent by weight of the asphaltic composition and about 1 percent by weight to about 60 percent by weight of filler, which can be stone dust.
REFERENCES:
patent: 3703393 (1972-11-01), Koons
patent: 3716510 (1973-02-01), Belak et al.
patent: 3829321 (1974-08-01), Woodruff
patent: 4008095 (1977-02-01), Fukushima et al.
Beckwith, Jr. Robert E.
Chang Irving B.
Allied Corporation
Lusignan Michael R.
Negin Richard A.
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