Patents Assigned to Chem-Crete Corporation
  • Modified asphalt paving compositions
    Patent number: 4244747
    Abstract: A modified asphalt cement including manganese chloride (MnCl.sub.2) dispersed throughout the asphalt cement. A paving composition including the above material forming a binder for aggregate used for paving roads or the like.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: January 13, 1981
    Assignee: Chem-Crete Corporation
    Inventors: John B. Leonard, Jr., Philip T. Selfridge
  • High strength modified asphalt paving composition
    Patent number: 4234346
    Abstract: A paving composition formed of aggregate mixed with substantially unblown asphalt cement (neither emulsified nor cut-back) including a soluble organic-manganese compound either alone or in combination with organic-cobalt or organic-copper compounds for improved strength. The composition is employed for paving roads by conventional techniques.
    Type: Grant
    Filed: November 24, 1978
    Date of Patent: November 18, 1980
    Assignee: Chem-Crete Corporation
    Inventors: Laurence Latta, Jr., John B. Leonard, Jr.