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For the Inventor, By the Inventor

Trostberg, Germany

Degussa Construction Chemicals Gmbh


USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 90

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9 inventors (with patents filed for the assignee):

goldMedal Gerhard Albrecht (3 out of 39 patents)

silverMedal Alfred Kern (3 out of 25 patents)

bronzeMedal Hubert Leitner (2 out of 6 patents)

4.  Dieter Klemm (1 out of 7 patents)

5.  Harald Grassl (1 out of 20 patents)

6.  Josef Weichmann (1 out of 19 patents)

7.  Lars Einfeldt (1 out of 3 patents)

8.  Matilde Calado Vieira (1 out of 1 patent)

9.  Christian Hübsch (1 out of 1 patent)


3 patents:

1. 6893497 - Use of water-soluble polysaccharide derivatives as dispersing agents for mineral binder suspensions (2005-05-17),
2. 6777517 - Copolymers based on unsaturated mono-or dicarboxylic acid derivatives and oxyalkylene glycol alkenyl ethers, method for the production and use thereof (2004-08-17),
3. 6620879 - Powdery polyether carboxylate-based polymeric compositions (2003-09-16),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#10 in Trostberg

#8,449 in Germany

Trostberg, DE
Trostberg, Germany

Degussa Construction Chemicals Gmbh

Forward Citations = 90

9 inventors:

goldMedal Gerhard Albrecht (3 out of 39 patents)

silverMedal Alfred Kern (3 out of 25 patents)

bronzeMedal Hubert Leitner (2 out of 6 patents)

4.  Dieter Klemm (1 out of 7 patents)

5.  Harald Grassl (1 out of 20 patents)

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