Process for the production of polymers

Details Process for the production of polymers Process for the production of polymers

2005-03-08

2005-03-08

Cheung, William K. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Effecting a change in a polymerization process in response...

C526S346000, C526S352000, C526S348000, C356S319000, C356S326000

Reexamination Certificate

active

06864331

ABSTRACT:
Disclosed is a process for preparing a polymer. The process includes at least one process stream and the process stream has at least one characteristic of interest. The process further includes passing the process stream past a sensor probe connected to a near-IR spectrophotometer and passing light from a light source through the probe and into the spectrometer wherein the light source, spectrometer and sensor probe are connected by a fiber optic cable. The effect of the interaction of the process stream and the light passing through the senor probe is measured and used to define a value for the characteristic of interest. The value for the characteristic of interest is a component of an algorithm and the algorithm is used, in real time, to monitor, control, or monitor and control the process for preparing a polymer.

REFERENCES:
patent: 4370201 (1983-01-01), Lowenhaupt
patent: 4743339 (1988-05-01), Faix et al.
patent: 5151474 (1992-09-01), Lange et al.

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