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Beiersdorf Patents



Published November 14, 2005
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Beiersdorf Patents
Emulsifier-Free Systems
● Patent No. US 6,620,407 B1: Beiersdorf
patented finely dispersed hydrocolloidfree
o/w or w/o systems for dermatological
or cosmetic use. They have at least
one modified polysaccharide.


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