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Jurgen Koltzer
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Heimbach, DE
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last 30 patents
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Patent Grant
Precipitated silica particles for cat litter
Patent number
7,037,475
Issue date
May 2, 2006
Grace GmbH & Co. KG
Willem Hendrik Dokter
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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last 30 patents
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Patent Application
Precipitated silica particles for cat litter
Publication number
20040146444
Publication date
Jul 29, 2004
Willem Hendrik Dokter
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING