Evonik Operations Gmbh

Evonik Goldschmidt Corporation

Novozymes Biopolymer A/s

Evonik Degussa Gmbh

Sandra Nattland

Hans Henning Wenk

Xin Lu

Fabien Louis Cabirol

Verena Dahl

Kathrin Daniela Brandt

Jochen Kleinen

Ralph Scheuermann

Monica Desiree Van Logchem

Mike Farwick

Ursula Maczkiewitz

Achim Friedrich

Birgitte Moelholm Malle

Fabien Cabirol

The invention relates to a dispersion containing at least one rhamnolipid derivative and also to the use of the rhamnolipid derivatives as emulsifier or dispersing aid.

Rhamnolipid derivatives as emulsifiers and dispersing aids

The invention provides derivatives of rhamnolipids, formulations comprising these, and the use thereof.

Rhamnolipid amides for hair scent retention

The invention provides ester derivatives of rhamnolipids, formulations comprising these, and the use thereof.

Rhamnolipid esters as nonionic surfactants for cosmetic use

The present invention relates to methods of producing crosslinked hyaluronic acid microbeads, as well as the produced microbeads, said method comprising the steps of: (a) providing an aqueous alkaline solution comprising hyaluronic acid, or a salt thereof; (b) forming microdroplets having a desired size from the mixed solution of step (a) in an organic or oil phase to form a water in organic or water in oil (VWO) emulsion, wherein the amount of oil phase used is of from 20 to less than 50% by weight based on the sum of oil phase and water; (c) adding a solution comprising a crosslinking agent to the emulsion, whereby the reaction of hyaluronic acid with the crosslinking agent takes place to provide crosslinked hyaluronic acid microbeads; and (d) optionally working up the dispersion of crosslinked hyaluronic acid microbeads obtained in step (c).

Crosslinked hyaluronic acid in emulsion

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Essen, Germany

Sandra Nattland