US PATENT SUBCLASS 208 / 154
.~.~.~ Start-up and shut down procedures


Current as of: June, 1999
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208 /   HD   MINERAL OILS: PROCESSES AND PRODUCTS

46  DF  CHEMICAL CONVERSION OF HYDROCARBONS {11}
146  DF  .~ Solids contacting and mixing {8}
153  DF  .~.~ Suspension system {7}
154.~.~.~ Start-up and shut down procedures


DEFINITION

Classification: 208/154

(under subclass 153) Processes which include the step of starting up the operation fluid suspension system or of shutting down the operation of the suspension system.

(1) Note. Many of the processes found herein have for their object to properly heat up or cool down the system or the prevention of explosions therein.