Measuring and testing – Embrittlement or erosion
Reexamination Certificate
2006-04-17
2009-02-10
Raevis, Robert R (Department: 2856)
Measuring and testing
Embrittlement or erosion
Reexamination Certificate
active
07487666
ABSTRACT:
A method involving the use and creation of pre-aged witness coupons which characterizes and monitors the rate and extent of chemical and physical aging of the polymer in the structure during use in the field is described.
REFERENCES:
patent: 4107979 (1978-08-01), Saeda et al.
patent: 5614683 (1997-03-01), Kranbuehl
patent: 6131443 (2000-10-01), Duncan
Raevis Robert R
Whitham Curtis Christofferson & Cook PC
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