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For the Inventor, By the Inventor

Freiburg, Germany

Chelac Holding Gmbh


USPTO Granted Patents = 1


Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal Ralf Zuhse (1 out of 3 patents)

silverMedal Heinrich Wieland (1 out of 11 patents)

bronzeMedal Marc A Kessemeier (1 out of 4 patents)


1 patent:

1. 10076483 - Steroid carboxylic acid esters, compositions containing steroid carboxylic acid esters, and use of said compositions in local topical applications for cosmetic or dermatological purposes (2018-09-18),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#71 in Freiburg

#15,353 in Germany

Freiburg, DE
Freiburg, Germany

Chelac Holding Gmbh

Forward Citations = 0

3 inventors:

goldMedal Ralf Zuhse (1 out of 3 patents)

silverMedal Heinrich Wieland (1 out of 11 patents)

bronzeMedal Marc A Kessemeier (1 out of 4 patents)

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