Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Reexamination Certificate
2007-09-04
2007-09-04
Bell, Bruce F. (Department: 1746)
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
C422S011000, C422S012000, C422S014000, C422S019000, C376S277000, C376S305000, C376S306000
Reexamination Certificate
active
11120478
ABSTRACT:
A method for mitigating stress corrosion cracking of a component exposed to a high temperature water in a high temperature water system is provided. The method comprises the steps of lowering corrosion potential conditions to a desired low corrosion potential in the high temperature water environment; and introducing a first material comprising zinc into the high temperature water environment, such that the desired low corrosion potential facilitates transport of the first material into cracks in a structure communicative with the high temperature water environment.
REFERENCES:
patent: 5673297 (1997-09-01), Andresen
patent: 6714618 (2004-03-01), Hettiarachchi et al.
patent: 6793883 (2004-09-01), Andresen et al.
patent: 2002/0101953 (2002-08-01), Hettiarachchi et al.
Andresen Peter Louis
Angeliu Thomas Martin
Diaz Thomas Pompilio
Hettiarachchi Sam
Kim Young-Jin
Bell Bruce F.
Fletcher Yoder
General Electric Company
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