Kempen
Germany
4
2012-09-13
The entities that hold a legal rights for patent applications filed by inventor HOFFMANN Manfred:
Manfred HOFFMANN from Kempen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Preservatives based on carboxylic anhydrides
#2 | 2012-01-26Method for preserving drinks
#3 | 2010-01-28PRESERVATIVE
#4 | 2009-10-22Preservatives based on carboxylic anhydrides
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