Aminated mono-organosilanes and method of dyeing glass therewith
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7. A METHOD OF DYING GLASS WHICH COMPRISES TREATING THE GLASS AN AQUEOUS SOLUTION OF A SILANE OF THE FORMULA (RO)3SI(CH2)3NHCH2CH2NH2 IN WHICH EACH R IS AN ALKYL RADICAL OF LESS THAN FOUR CARBON ATOMS, DRYING THE TREATED GLASS, CONTACTING THE GLASS WITH AN ACID DYE AND THEREAFTER WASHING THE DYED GLASS AND DRYING IT.
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7 Claims
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7. A METHOD OF DYING GLASS WHICH COMPRISES TREATING THE GLASS AN AQUEOUS SOLUTION OF A SILANE OF THE FORMULA (RO)3SI(CH2)3NHCH2CH2NH2 IN WHICH EACH R IS AN ALKYL RADICAL OF LESS THAN FOUR CARBON ATOMS, DRYING THE TREATED GLASS, CONTACTING THE GLASS WITH AN ACID DYE AND THEREAFTER WASHING THE DYED GLASS AND DRYING IT.
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