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Process for flocculating suspensions
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Patent number 7,070,696
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Issue date Jul 4, 2006
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Ciba Specialty Chemicals Water Treatments Ltd.
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Steven Weir
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Water absorbing polymers
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Patent number 5,384,343
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Issue date Jan 24, 1995
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Allied Colloids Limited
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David Farrar
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Water absorbing polymers
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Patent number 4,880,858
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Issue date Nov 14, 1989
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Allied Colloids Limited
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David Farrar
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...