Inventor

BERGFRIED STEFAN

DE4 patents

⚠️ This page may combine multiple inventors who share the name “BERGFRIED STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WENK HANS HENNING

2 patents

US8653289B2Feb 18, 2014

Partial esters of a polyglycerol with at least one carboxylic acid and one polyfunctional carboxylic acid, their preparation and use

WENK HANS HENNING9 citations81

US8420137B2Apr 16, 2013

Bioactive composition for cosmetic applications

WENK HANS HENNING3 citations60

EVONIK GOLDSCHMIDT GMBH

1 patent

US7847123B2Dec 7, 2010

Antimicrobial compositions

EVONIK GOLDSCHMIDT GMBH6 citations72

GOLDSCHMIDT AG TH

1 patent

US5654457AAug 5, 1997

Method for synthesizing alkyl tin fluorides

GOLDSCHMIDT AG TH6 citations70