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Patents
Patents Represented by Attorney O. Todd Dickinson
Patents Represented by Attorney O. Todd Dickinson
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Asphalt composition for air-blowing
Patent number:
4338137
Abstract:
A process for air-blowing asphalt in the presence of ferrous chloride and an asphalt composition comprising a major amount of asphalt and a minor but effective amount of ferrous chloride.
Type:
Grant
Filed:
July 20, 1981
Date of Patent:
July 6, 1982
Assignee:
Chevron Research Company
Inventor:
Judson E. Goodrich