Compositions – Etching or brightening compositions
Reexamination Certificate
2006-06-02
2008-10-28
Norton, Nadine (Department: 1792)
Compositions
Etching or brightening compositions
C252S079000, C252S079200, C216S083000, C216S096000, C216S100000, C216S088000, C423S513000, C423S551000, C510S201000, C510S302000
Reexamination Certificate
active
07442323
ABSTRACT:
A composition comprising a solution of potassium monopersulfate having an active oxygen content of from about 3.4% to about 6.8% and a process for its preparation including neutralization with an alkaline material is disclosed.
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“Oxone Monopersulfate Compound Technical Information” Bulletin, No. H-42434-5, dated Apr. 2000, published by E. I. du Pont de Nemours and Company.
Bohn, Jr. Harvey James
Durante Robert Jeffrey
Angadi Maki A.
E. I. du Pont de Nemours and Company
Norton Nadine
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