Polymer dye and method for producing the same and its use in...

Details Polymer dye and method for producing the same and its use in... Polymer dye and method for producing the same and its use in...

2007-10-30

2007-10-30

Truong, Duc (Department: 1711)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S418000, C525S419000, C528S422000, C313S504000, C257SE51033, C257SE51047

Reexamination Certificate

active

10488021

ABSTRACT:
A method and apparatus for the removal of free, emulsified, or dissolved water from liquids of low volatility, such as oil, is shown. The liquid of low volatility is removed by contacting the fluid stream of concern with one side of a semi-permeable membrane. The membrane divides a separation chamber into a feed side into which the stream of fluid is fed, and a permeate side from which the water is removed. The permeate side of the chamber is maintained at a low partial pressure of water through presence of vacuum, or by use of a sweep gas.

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