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Class Information
Number: 210/905
Name: Liquid purification or separation > Materials removed > Nitrogenous > Protein
Description: Collection of disclosures under collection 903 in which the material includes a chain of N-acylated amino acids.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8246831 Digesting and continuously self-cleaning aquarium filter Aug. 21, 2012
8147757 Filter with memory, communication and concentration sensor Apr. 3, 2012
7943048 Methods for recovering tallow from wastewater May. 17, 2011
7931801 Aquarium filter system Apr. 26, 2011
7918995 Filter device for water tank Apr. 5, 2011
7807053 Water filtration system Oct. 5, 2010
7651610 Water aerating and dirt collecting assembly for aquarium Jan. 26, 2010
7604734 Water filtration system Oct. 20, 2009
7445706 Protein skimmer Nov. 4, 2008
7393452 Compositions and methods for the treatment of wastewater and other waste Jul. 1, 2008
7316776 Aquarium filtration system with bio-reactor Jan. 8, 2008
7311819 Aquarium filter Dec. 25, 2007
7264714 Protein skimmer Sep. 4, 2007
7094335 Aquarium filtration system Aug. 22, 2006
7066900 Removal of metabolic components from blood Jun. 27, 2006
7029577 Aquaculture system Apr. 18, 2006
7025883 Autotrofic sulfur denitration chamber and calcium reactor Apr. 11, 2006
6946080 Poultry processing water recovery and re-use process Sep. 20, 2005
6830681 Device and method for holding water for accommodating and growing aquatic organisms Dec. 14, 2004
6802984 Poultry processing water recovery and re-use process Oct. 12, 2004
6780330 Removal of biomaterials from aqueous streams Aug. 24, 2004
6755973 Waste water treatment process for animal processing contaminant removal Jun. 29, 2004
6676840 Fat and protein removal from process streams Jan. 13, 2004
6641732 Cross-flow tank system for aquatic life Nov. 4, 2003
6638710 Adsorbent for reducing the concentration of fibrinogen and/or fibrin, method of producing an adsorber from the adsorbent, and an adsorber with the adsorbent Oct. 28, 2003
6610205 Process for nitrifying denitrifying organic waste water Aug. 26, 2003
6605253 Intervention techniques for reducing carcass contamination Aug. 12, 2003
6436295 Protein skimmer Aug. 20, 2002
6423024 Device for removing toxins from blood or plasma Jul. 23, 2002
6419830 Surface modified polymer beads Jul. 16, 2002
6416487 Method of removing beta-2 microglobulin from blood Jul. 9, 2002
6409927 Process for the treatment of polluted metal-mechanic industrial wastewater and urban water Jun. 25, 2002
6372145 Fat and protein removal from process streams Apr. 16, 2002
6338801 Surface modified polymer beads Jan. 15, 2002
6299765 Surface feed filter pump box for aquariums Oct. 9, 2001
6280631 Use of polymers containing vinylamine/vinylformamide for the treatment of food processing wastewater Aug. 28, 2001
6261459 Process for the elimination of livestock wastewater odors and wastewater treatment Jul. 17, 2001
6221254 Purification of liquid streams using carbon dioxide Apr. 24, 2001
6156209 Protein skimmer Dec. 5, 2000
6099737 Process for removing toxins from blood using zirconium metallate or titanium metallate compositions Aug. 8, 2000
6036861 Protein adsorption by very dense porous zirconium oxide particles in expanded beds Mar. 14, 2000
5958248 Method of precipitating protein at the time of removal of heavy metals Sep. 28, 1999
5914040 Process for the purification of a medium containing organic waste Jun. 22, 1999
5837826 Protein adsorption by very dense porous zirconium oxide particles in expanded beds Nov. 17, 1998
5616253 Dechlorination of TCE with palladized iron Apr. 1, 1997
5597490 DADMAC/vinyl trialkoxysilane copolymers for treatment of food processing wastes Jan. 28, 1997
5451326 Chemical treatment of food processing wastes using dispersion polymers Sep. 19, 1995
5328677 Recovery of sulfides from tannery waste liquor Jul. 12, 1994
5269939 Method of solids recovery for use in animal feed or as a fuel utilizing natural flocculents Dec. 14, 1993
5204007 Method of clarification of waste water for production of animal feeds Apr. 20, 1993

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