Etching a substrate: processes – Nongaseous phase etching of substrate – Etching inorganic substrate
Patent
1995-01-17
1998-04-21
Langel, Wayne
Etching a substrate: processes
Nongaseous phase etching of substrate
Etching inorganic substrate
216106, 252 792, 423265, 4233901, C23F 116, C23F 118
Patent
active
057414327
ABSTRACT:
A composition that includes an aqueous solution of nitric acid and an additive having the formula ##STR1## or a salt thereof, in an amount sufficient to improve the oxidative stability of the aqueous nitric acid solution relative to the oxidative stability of that aqueous solution in the absence of the additive.
REFERENCES:
patent: 2769690 (1956-11-01), Mahan et al.
patent: 3019081 (1962-01-01), Doss et al.
patent: 3113836 (1963-12-01), Blackwell
patent: 3841905 (1974-10-01), Dixon, III
patent: 3926699 (1975-12-01), Dixon
patent: 3990982 (1976-11-01), Dixon
patent: 4297257 (1981-10-01), Elias et al.
patent: 4306933 (1981-12-01), Da Fonte, Jr.
patent: 4374744 (1983-02-01), Kawanabe et al.
patent: 4410396 (1983-10-01), Somers et al.
patent: 4439338 (1984-03-01), Tomaiuolo et al.
patent: 4459216 (1984-07-01), Nakazato et al.
patent: 4636282 (1987-01-01), Wong
patent: 4713144 (1987-12-01), Schiller
patent: 4921571 (1990-05-01), Kukanskis et al.
patent: 4938838 (1990-07-01), Dalin et al.
patent: 4957653 (1990-09-01), Cordani
patent: 4964920 (1990-10-01), Jackson et al.
patent: 5223087 (1993-06-01), Itani et al.
patent: 5234542 (1993-08-01), Cordani
patent: 5244539 (1993-09-01), McGrath et al.
Therald Moeller, "An Introduction to Equilibrium and Solution Chemistry," Qualitative Analysis, 1st Ed., 1958, New York.
Daniel J. Newman, "Nitric Acid," Encyclopedia of Chemical Technology, 3d. Ed., vol. 15.
Langel Wayne
The Dexter Corporation
LandOfFree
Stabilized nitric acid compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Stabilized nitric acid compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Stabilized nitric acid compositions will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2054920