Method of measuring the concentration of hydroperoxides of...

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Reexamination Certificate

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C250S339010, C250S341200

Reexamination Certificate

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07012255

ABSTRACT:
A method for measuring a concentration of a hydroperoxide of an alkylaromatic hydrocarbon in a process stream comprises immersing a probe into the process stream; wherein the probe is coupled to a spectrometer; collecting absorption data with the spectrometer at a wavelength of 13,000 cm−1to 4,000 cm−1; and calculating a concentration of the hydroperoxide of the alkylaromatic hydrocarbon in the process stream. In another embodiment, samples are withdrawn from the process stream and analyzed spectrometrically to determine the concentration of the hydroperoxide of the alkylaromatic hydrocarbon in the sample.

REFERENCES:
patent: 2986583 (1961-05-01), Robbers et al.
patent: 3187055 (1965-06-01), Armstrong et al.
patent: 3305590 (1967-02-01), Pollitzer eta l.
patent: 3539645 (1970-11-01), Mead et al.
patent: 4016213 (1977-04-01), Yeh et al.
patent: 4143080 (1979-03-01), Harders et al.
patent: 5254751 (1993-10-01), Zakoshansky
patent: 5530166 (1996-06-01), Zakoshansky et al.
patent: 5684580 (1997-11-01), Cooper et al.
patent: 5717209 (1998-02-01), Bigman et al.
patent: 5763883 (1998-06-01), Descales et al.
patent: 6057483 (2000-05-01), Zakoshansky et al.
patent: 6070128 (2000-05-01), Descales et al.
patent: 6077977 (2000-06-01), Gopinathan et al.
patent: 6225513 (2001-05-01), Zakoshansky et al.
patent: 2003/0028355 (2003-02-01), Minati et al.
patent: 820664 (1957-03-01), None
patent: 2000-63352 (2000-02-01), None
patent: WO 94 27135 (1994-11-01), None
patent: WO 00 62078 (2000-10-01), None
Patent Abstract, Japanese Patent Application Publication No. 2000-63352, published Feb. 29, 2000, 18 pages.
Dong, J. et al., “Stoichiometric Determination of Hydroperoxides in Oils by Fourier Transform Near-Infrared Spectroscopy”, Journal of AOAC International, AOAC International, Arlington, VA, vol. 80, No. 2, 1997, pp. 345-352.
Frew, J. E. et al., “Spectrophotometric Determination of Hydrogen Peroxide and Organic Hydroperoxides at Low Concentrations In Aqueous Solution”, TROX Report, Gorinchem, NL, vol. 155, 1983, pp. 139-150.
Petruj J. et al., “Trace Determination of Hydroperoxides by Spectrophotometry in Organic Media”, Analyst, London, GB, vol. 111, 1986, pp. 671-676.
International Search Report, International Patent Application No. PCT/US03/14616, mailed Oct. 9, 2003.

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