Chemistry: analytical and immunological testing – Measurement includes change in volume or pressure
Reexamination Certificate
2005-08-02
2005-08-02
Warden, Jill (Department: 1743)
Chemistry: analytical and immunological testing
Measurement includes change in volume or pressure
C436S037000, C436S181000, C422S105000, C422S112000, C422S129000, C422S130000
Reexamination Certificate
active
06924149
ABSTRACT:
Devices and methods for controlling and monitoring the progress and properties of multiple reactions are disclosed. The method and apparatus are especially useful for synthesizing, screening, and characterizing combinatorial libraries, but also offer significant advantages over conventional experimental reactors as well. The apparatus generally includes multiple vessels for containing reaction mixtures, and systems for controlling the stirring rate and temperature of individual reaction mixtures or groups of reaction mixtures. In addition, the apparatus may include provisions for independently controlling pressure in each vessel, and a system for injecting liquids into the vessels at a pressure different than ambient pressure. In situ monitoring of individual reaction mixtures provides feedback for process controllers, and also provides data for determining reaction rates, product yields, and various properties of the reaction products, including viscosity and molecular weight Computer-based methods are disclosed for process monitoring and control, and for data display and analysis.
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Dales G. Cameron
Hajduk Damian A.
Nielsen Ralph B.
Rust William C.
Turner Howard
Handy Dwayne K
Senniger Powers
Symyx Technologies Inc.
Warden Jill
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