Cellulose hydrate ultrafiltration membranes and method for...

Liquid purification or separation – Filter – Material

Reexamination Certificate

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C210S500270, C210S500300, C210S500320, C210S500310, C264S041000

Reexamination Certificate

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11264928

ABSTRACT:
There is disclosed a process for the production of cellulose hydrate ultrafiltration membranes having improved filtration performance and the ultrafiltration membranes produced by the process.

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patent: 5494488 (1996-02-01), Arnoldi et al.
patent: 5562827 (1996-10-01), Schmidt et al.
patent: 6344239 (2002-02-01), Asai et al.
patent: 2006/0096912 (2006-05-01), Nussbaumer et al.
patent: 0 762 929 (1995-05-01), None

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