VAPORENE
Filed: January 25, 1932
RUST, SCALE, AND CORROSION PREVENTIVE AND ELIMINATING COMPOUND
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 71323414
SLUDGOUT
Filed: September 10, 1947
COMPOSITION FOR TREATMENT OF FUEL OILS TO PREVENT AND ELIMINATE SLUDGE
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 71517918
CORRODINE
Filed: August 13, 1951
CHEMICAL COMPOUND FOR PREVENTION OF CORROSION IN STEAM AND RETURN CONDENSATE LINES
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 71617622
CORRODICIDE
Filed: January 24, 1957
CHEMICAL COMPOUNDS FOR THE ELIMINATION AND REMOVAL OF RUST AND CORROSION FROM WATER SYSTEMS
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 72023160
METRONITE
Filed: October 2, 1957
TEST KIT, INCLUDING CAPILLARY TUBES AND CAPILLARY CHART FOR COMPARISON PURPOSES, TO DETERMINE THE CONCENTRATION OF NITRITES…
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 72038222
METRO TOWER GUARD
Filed: August 3, 1966
CHEMICAL COMPOUND FOR THE TREATMENT OF WATER OF AIR CONDITIONING SYSTEMS FOR THE PREVENTION OF CORROSION AND SCALE
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 72251643
SOOTRACIDE
Filed: November 17, 1969
SOOT REMOVER COMPOSITION
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 72343730
DUBOTH
Filed: November 17, 1969
COMPOSITION FOR PREVENTING AND REMOVING BOILER INCRUSTATIONS
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 72343731
METROPOLITAN
Filed: November 21, 1969
CHEMICAL COMPOSITIONS FOR USE AS AN ADDITIVE IN THE TREATMENT OF FUEL OILS TO INHIBIT AND ELIMINATE SLUDGE FORMATION; CHEMICAL…
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 72344252
METRO-MATIC
Filed: October 29, 1973
AUTOMATIC ELECTRIC METER AND MONITOR CONTROL UNIT TO REGULATE CHEMICAL TREATMENT OF COOLING TOWERS
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 73004952
METRO CLEAN-AWAY
Filed: January 17, 1975
CHEMICAL CLEANER FOR AIR HANDLING EQUIPMENT, ALKALINE-BASED INDUSTRIAL CLEANER AND ACID-BASED INDUSTRIAL CLEANER
Owned by: METROPOLITAN REFINING CO., INC.
Serial Number: 73042044
