Method for enhancing asphalt properties

Details Method for enhancing asphalt properties Method for enhancing asphalt properties

1999-10-29

2001-07-10

Myers, Helane (Department: 1764)

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

Chemical modification of asphalt, tar, pitch or resin

C208S304000

Reexamination Certificate

active

06258255

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a method for enhancing asphalt product properties.
BACKGROUND OF THE INVENTION
There is a continuing need for enhancing the volatility and flash of certain distillation residues, for use to meet specifications for roofing and paving asphalts. This should be accomplished without degradation of other desirable properties of the product asphalt. Applicants' invention addresses these needs.
SUMMARY OF THE INVENTION
An embodiment of the invention provides for a method for enhancing asphalt product properties, particularly flash and volatility. Beneficially the resulting asphalts are more useful in the production of roofing materials or paving materials wherein asphalt is commonly used as the bonding agent.
The present invention may comprise, consist or consist essentially of the steps or elements disclosed herein and may be practiced in the absence of a limitation not disclosed as required.


REFERENCES:
patent: 2319750 (1943-05-01), Schonberg et al.

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