Abrading – Abrading process – Utilizing fluent abradant
Reexamination Certificate
2005-11-29
2005-11-29
Morgan, Eileen P (Department: 3723)
Abrading
Abrading process
Utilizing fluent abradant
C451S039000, C451S087000, C451S088000
Reexamination Certificate
active
06969303
ABSTRACT:
A method for removing a coating on a surface by applying a treatment composition layer to the coating to be removed. The treatment composition layer is made up of (Is) a first material selected from the compounds of sodium and potassium silicates, sodium and potassium phosphate, calcium silicate, iron and aluminum sulfates. An abrasive is injected against the coating to be removed so that the treatment composition layer and coat to be removed are removed and any hazardous material in the layer to be removed is contained.
REFERENCES:
patent: 6037469 (2000-03-01), Broom et al.
patent: 6147115 (2000-11-01), Crowell et al.
patent: 6264839 (2001-07-01), Mohr et al.
Rolle Thomas C.
Tinklenberg Gary L.
Wachtel James C.
Cohen & Grigsby P.C.
Monocello, III, Esq. John A.
Morgan Eileen P
Nextec, Inc.
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