Point-of-use purification

Details Point-of-use purification Point-of-use purification

1993-11-08

1994-09-27

Nessler, Cynthia L.

Fishing, trapping, and vermin destroying

210660, 210663, 430 5, H01L 21312

Patent

active

053507142

ABSTRACT:
The invention is for a process of removal of dissolved contaminants from an organic solution. The process of the invention involves placing a module containing an ion exchange resin, activated carbon or a mixture of the two between a container from which the organic solution is dispensed and the point at which the solution is to be used. The solution is then passed through the module to remove contaminants. The inventions is useful for removal of dissolved contaminants from organic solutions requiring high purity for use.

REFERENCES:
patent: 4430226 (1984-02-01), Hegde et al.
patent: 4760014 (1988-07-01), Wong
patent: 4778532 (1988-10-01), McConnell et al.
patent: 4863608 (1989-09-01), Kawai et al.
patent: 4917123 (1990-04-01), McConnell et al.
patent: 5032218 (1991-07-01), Dobson
patent: 5112491 (1992-05-01), Strantz, Jr.
patent: 5232460 (1993-08-01), Botz

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