Chemistry: analytical and immunological testing – Process or composition for determination of physical state... – Leak detection
Reexamination Certificate
2007-08-07
2007-08-07
Gordon, Brian R. (Department: 1743)
Chemistry: analytical and immunological testing
Process or composition for determination of physical state...
Leak detection
Reexamination Certificate
active
10699863
ABSTRACT:
A chemical storage and dispensing vessel having associated therewith a colorimetric member that is effective to change color in exposure to leakage of a gas contained in the vessel. The colorimetric member may be constituted by a film, e.g., of a shrink-wrap character, that contains or is otherwise associated with a colorimetric agent undergoing color change in exposure to fluid leaking from the vessel. Such shrink-wrap film may be applied to a portion of the vessel susceptible to leakage, or alternatively to the entire vessel, so that the film is colorimetric effective to indicate the occurrence of a leakage event by visually perceptible change of color.
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Arno Jose I.
Marganski Paul J.
Sturm Edward A.
Zaleta Kristy L.
Advanced Technology & Materials Inc.
Chappuis Margaret
Gordon Brian R.
Hultquist Steven J.
Intellectual Property / Technology Law
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