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ZERONE
Filed: December 22, 1931
SYNTHETIC METHANOL USED AS AN ANTI-FREEZE AGENT IN AUTOMOTIVE VEHICLES AND HEATING SYSTEMS
Owned by: E. I. DU PONT DE NEMOURS AND COMPANY
Serial Number: 71322361
DUPRO
Filed: December 18, 1931
SENSITIZED BLACK PRINT CLOTH
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71322257
KEEPEZE
Filed: December 14, 1931
MATERIALS AND SOLUTIONS FOR TREATING PRINTING PLATES TO PROTECT THE SURFACE THEREOF FROM OXIDATION OR DETERIORATION
Owned by: AM International, Inc.
Serial Number: 71322078
PLATEX
Filed: December 14, 1931
MATERIALS AND SOLUTIONS FOR TREATING PRINTING PLATES TO RENDER THEM REPELLENT TO GREASE, INK, ET CETERA
Owned by: AM International, Inc.
Serial Number: 71322080
PURECO
Filed: December 12, 1931
LIQUID CARBON DIOXIDE
Owned by: PURE CARBONIC COMPANY
Serial Number: 71322063
PURECO ICE
Filed: December 12, 1931
SOLID CARBON DIOXIDE
Owned by: PURE CARBONIC COMPANY OF AMERICA
Serial Number: 71322064
FREON
Filed: December 8, 1931
FLUORINATED HYDROCARBONS USED AS REFRIGERANTS, PROPELLANTS [ , AND FIRE EXTINGUISHING PREPARATIONS ]
Owned by: THE CHEMOURS COMPANY FC, LLC
Serial Number: 71321938
RESINOX
Filed: December 7, 1931
SOLUTIONS OF SYNTHETIC RESINS, MOLDING COMPOUNDS CONTAINING SYNTHETIC RESINS, MIXTURES OBTAINED BY MELTING SYNTHETIC RESINS…
Owned by: RESINOX CORPORATION
Serial Number: 71321894