6 Patents
1991
Aerobic bacterial remediation of aliphatic chlorinated hydrocarbon contamination
Hegeman, George D (Inventor).
US 5024949. (Issued 1991)
1974
Enzyme composition for measurement urinary D(-)-vanillylmandelic acid
Hegeman, George D (Inventor).
US 3817833. (Issued 1974)
 
Method of obtaining active composition from race,ate of vanillylmandelic acid
Hegeman, George D (Inventor).
US 3817830. (Issued 1974)
1973
Measurement of D(-)-vanillylmandelic acid in urine using bacterial enzymes
Hegeman, George D (Inventor).
US 3749643. (Issued 1973)
n.d.no date or unknown
Aerobic bacterial remediation of aliphatic chlorinated hydrocarbon contamination
Hegeman, George D and Nickens, David G (Inventors).
5024949
 
Aerobic bacterial remediation of aliphatic chlorinated hydrocarbon contamination.
Hegeman, George D and Nickens, DG (Inventors).
5,024,949