Liquid purification or separation – Magnetic
Reexamination Certificate
2011-05-17
2011-05-17
Reifsnyder, David A (Department: 1776)
Liquid purification or separation
Magnetic
C210S223000, C210S489000, C210S498000, C210S500250, C210S510100, C055S486000
Reexamination Certificate
active
07943042
ABSTRACT:
A magnetic filtering film is used to remove grains from liquid that goes through the magnetic filtering film. The magnetic filtering film includes a rubber film and micro-magnets. The rubber film is made of organic polymer. The rubber film is formed with apertures through which liquid can go. The micro-magnets are distributed in the rubber film for attracting ferromagnetic grains from the liquid.
REFERENCES:
patent: 1663298 (1928-03-01), Geer et al.
patent: 3136720 (1964-06-01), Baermann
patent: 7494587 (2009-02-01), Yan et al.
patent: 2007/0095738 (2007-05-01), Zhang
patent: 2010/0133163 (2010-06-01), Tzeng et al.
Cheng Chen-Ling
Ho Jung-Ming
Kan Chien-Chun
Tsai Cheng-Han
Tzeng Hsinn-Jyh
Jackson Demian K.
Jackson IPG PLLC
Reifsnyder David A
Southern Taiwan University
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