Back to results
US 4,360,544 AGranted
Organotin surface treatment and interleaving material for glass sheets
AssigneePPG Industries, Inc.
InventorsHelmut Franz, Paul F. Duffer, Joseph D. Kelly
Life of this patent
Estimating the term…
Abstract
A method is disclosed for protecting glass surfaces in a stack of glass sheets by treating the surfaces with an organotin compound and separating adjacent surfaces with an interleaving material.
Claims9
A method for protecting a glass surface which comprises the steps of:
- a. treating the glass surface with an organotin compound at a temperature insufficient to thermally decompose said organotin compound;
- and
- b. applying to the organotin treated glass surface an interleaving material prior to contacting the glass surface in facing relationship with another glass surface.
Dependencies are inferred from the claim text.