Leverkusen
Germany
5
2014-03-27
The entities that hold a legal rights for patent applications filed by inventor Ritzer Edwin:
Edwin Ritzer from Leverkusen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for producing sorbic anhydride and also use thereof as a preservative in foods
#2 | 2013-05-23METHOD FOR PRESERVING FOOD
#3 | 2012-09-13Preservatives based on carboxylic anhydrides
#4 | 2010-01-28PRESERVATIVE
#5 | 2009-10-22Preservatives based on carboxylic anhydrides
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