Filter package

  • US 6,174,439 B1
  • Filed: 05/12/1999
  • Issued: 01/16/2001
  • Est. Priority Date: 01/20/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A filter package enabling the filter to be stored and shipped in a wet state without the filter drying out, the filter package comprising a sanitized filter cartridge for removal of particulates from a fluid and having a porous filter medium including a plurality of pores through which the fluid can pass between upstream and downstream sides of the filter cartridge during filtration to remove particulates from the fluid, a flexible bag which surrounds the filter cartridge and has walls extending between an upper end and a lower end thereof, the walls comprising a polymeric material impervious to microorganisms and liquid water, and sanitized water hermetically sealed inside the bag and substantially permeating the pores of the filter medium and immersing substantially 100% of a volume of the filter cartridge, the bag being hermetically sealed around the filter cartridge with substantially all air excluded from the bag.

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