Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Chemical analysis
Reexamination Certificate
2006-04-04
2006-04-04
Teskin, Fred (Department: 1713)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Chemical analysis
C700S269000, C526S059000, C526S065000
Reexamination Certificate
active
07024313
ABSTRACT:
The present invention relates to a method of estimating the properties of a polymer product by using converted process variables (cPV's) which means process variable that final or intermediate product experienced earlier in average in the reactors by stage with respect to the final product, which incorporates residence time distribution to process variables, wherein said method comprises the following steps of: computing cPV's by incorporating the residence time distribution to said process variables by means of theoretically determining the amounts of content and discharge of the product in the process, and then solving the balance equations of a hypothetical substance by taking the respective process variables as those of the hypothetical substance: and estimating the properties of the product by inputting to various property estimation models cPV's in the reactors by stage with respect to the final product after incorporating the residence time distribution to said process variables.
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patent: 5532487 (1996-07-01), Brearley et al.
patent: 6093211 (2000-07-01), Hamielec et al.
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patent: 97/26549 (1997-07-01), None
Kim Suek-Ho
Kim Woo-Kyoung
Lee Jin-Seuk
Meyertons Eric B.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
Samsung General Chemicals Co. Ltd.
Teskin Fred
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