Drag reducers for flowing hydrocarbons

Details Drag reducers for flowing hydrocarbons Drag reducers for flowing hydrocarbons

1993-06-21

1994-12-27

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524394, 524444, 524445, 524451, 137 13, B05D 508, F17D 116

Patent

active

053766970

ABSTRACT:
The present invention provides a process for precipitating a polyolefin from solution. The present invention also provides a polyolefin paste having drag reducing characteristics when dissolved in a flowing hydrocarbon stream and a method for making the drag reducing paste. Finally, the present invention provides a slurried drag reducer prepared from the paste for use in flowing hydrocarbon streams.

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patent: 4826728 (1989-05-01), O'Mara et al.
patent: 4837249 (1989-06-01), O'Mara et al.
patent: 5165440 (1992-11-01), Johnston

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