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Development Products, Inc.
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Radnor, PA, US
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Patents Grants
last 30 patents
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Patent Grant
Method of obtaining an purified wool fat and use as an additive to...
Patent number
5,399,730
Issue date
Mar 21, 1995
Development Products, Inc.
Boris I. Koupchinov
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...