VITAPLATE
Filed: January 23, 1956
PHOTOENGRAVING ZINC SHEETS AND PLATES
Owned by: IMPERIAL TYPE METAL COMPANY
Serial Number: 72001242
VITACOLD
Filed: September 12, 1963
METHYL ALCOHOL SOLUTION OF METHYL VIOLET DYE USED TO DEVELOP THE PHOTOGRAPHIC IMAGE FORMED ON A PHOTOENGRAVING PLATE BY…
Owned by: IMPERIAL TYPE METAL COMPANY
Serial Number: 72176800
VITACARD
Filed: September 12, 1963
MIXTURE OF SULFATED OILS AND AROMATIC SOLVENTS USED IN POWDERLESS ETCHING MACHINES IN COMBINATION WITH WATER AND NITRIC…
Owned by: IMPERIAL TYPE METAL COMPANY
Serial Number: 72176801
VITACOLD
Filed: September 12, 1963
WATER SOLUTION OF SHELLAC AND AMMONIUM DICHROMATE WITH OTHER AMMONIUM COMPOUNDS ADDED, APPLIED TO A SHEET OF PHOTOENGRAVING…
Owned by: IMPERIAL TYPE METAL COMPANY
Serial Number: 72176802
VITACOAT
Filed: September 12, 1963
POLYVINYL ALCOHOL MADE LIGHT SENSITIVE BY THE ADDITION OF AMMONIUM DICHROMATE SOLUTION, WHICH IS APPLIED TO A SHEET OF PHOTOENGRAVING…
Owned by: IMPERIAL TYPE METAL COMPANY
Serial Number: 72176803
VITACOAT
Filed: September 12, 1963
WATER SOLUTION OF METHYL VIOLET DYE USED TO DEVELOP THE PHOTOGRAPHIC IMAGE FORMED ON A PHOTOENGRAVING PLATE
Owned by: IMPERIAL TYPE METAL COMPANY
Serial Number: 72176804
VITACOAT
Filed: September 12, 1963
SOLUTION OF CHROMIC ACID INTO WHICH A PHOTOENGRAVING PLATE IS IMMERSED AFTER THE PLATE HAS BEEN COATED WITH A LIGHT SENSITIVE…
Owned by: IMPERIAL TYPE METAL COMPANY
Serial Number: 72176805
PROTECT-O-PLATE
Filed: February 24, 1964
SOLUTION USED IN PREPARATION OF A PHOTOENGRAVING PLATE FOR ETCHING BY COATING SAID PLATE WITH SAID SOLUTION
Owned by: IMPERIAL TYPE METAL COMPANY
Serial Number: 72187286
