Asphalt compositions

Details Asphalt compositions Asphalt compositions

1982-11-29

1984-04-03

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

106273R, 524 59, 524 70, 524 71, C08L 9500

Patent

active

044408862

ABSTRACT:
Stabilization of asphalt and asphalt-rubber compositions against degradation, e.g., viscosity increase by addition of a finite small and effective viscosity stabilizing amount of an alkali metal nitrite.

REFERENCES:
patent: 3243311 (1966-03-01), Rogers et al.
patent: 3592794 (1971-07-01), Drake et al.
patent: 4158371 (1979-06-01), Reusser et al.
patent: 4196115 (1980-04-01), Bresson
patent: 4250067 (1981-02-01), Bresson

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