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Goldschmidt Ag

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USPTO Granted Patents = 61

% Expired Patents = 39.3

Trademarks = 8

Forward Citations = 1,006

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133 inventors (with patents filed for the assignee):

Wilfried Knott (13 out of 125 patents)

Stefan Silber (13 out of 56 patents)

Andreas Weier (12 out of 26 patents)

4. Wolfgang Josten (8 out of 13 patents)

5. Georg Burkhart (6 out of 25 patents)

6. Eberhard Esselborn (5 out of 36 patents)

7. Roland Sucker (5 out of 14 patents)

8. Thomas Ebbrecht (5 out of 15 patents)

9. Sascha Oestreich (4 out of 13 patents)

10. Burghard Gruning (4 out of 33 patents)

11. Manfred Recksik (4 out of 6 patents)

12. Christian Weitemeyer (4 out of 57 patents)

13. Horst Dudzik (3 out of 46 patents)

14. Dagmar Windbiel (3 out of 18 patents)

15. Gerhard Reusmann (3 out of 15 patents)

Core Competencies:

Polyurethane Foams

Siloxanes

Dispersants

Metal Foams

Radiation-Curable

Hydrophobically Modified

Aqueous Systems

Photoinitiators

Defoamers

Coatings

Pigment Concentrates

Emulsifiers

61 patents: Sort by Forward Citations

1. 7671103 - Use of block polyethersiloxanes as stabilizers in polyurethane foams (2010-03-02),

2. 7612159 - Process for working up polyethersiloxanes (2009-11-03),

3. 7612158 - Equilibration of siloxanes (2009-11-03),

4. 7470423 - Aqueous dispersion containing pyrogenically prepared metal oxide particles and dispersants (2008-12-30),

5. 7276541 - Use of hydroxyl-functional polyalkylorganosiloxanes as solvents for cationic photoinitiators for use in radiation- curable silicones (2007-10-02),

6. 7250204 - Use of hydroxyalkylphenone-type photoinitiators in radiation-curable organopolysiloxanes for producing abhesive coatings (2007-07-31),

7. 7196153 - Equilibration of siloxanes (2007-03-27),

8. 6915834 - Process for producing metal foam and metal body produced using this process (2005-07-12),

9. 6897263 - Betaine esters (2005-05-24),

10. 6884758 - 2,4-Diamino-1,3,5-triazines, their preparation, and their use as herbicides and plant growth regulators (2005-04-26),

11. 6874562 - Process for producing metal/metal foam composite components (2005-04-05),

12. 6861493 - Branched polyurethanes, formulations comprising them, and their use for thickening aqueous systems (2005-03-01),

13. 6858663 - Organopolysiloxanes for defoaming aqueous systems (2005-02-22),

14. 6854506 - Process for producing shaped metal parts (2005-02-15),

15. 6852892 - Process for the synthesis of sphingosine (2005-02-08),

Company Overview

Goldschmidt AG, headquartered in Essen, Germany, specializes in the development and production of advanced polyurethane foams and related materials. The company focuses on innovative solutions in various technology domains, including siloxanes, dispersants, and metal foams. Goldschmidt AG is recognized for its expertise in radiation-curable systems and hydrophobically modified aqueous systems, catering to diverse industrial applications. Their commitment to research and development positions them as a key player in the polymer and materials science sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

61 Patents

#16 in Essen

#905 in Germany

#11,931 in the World

Goldschmidt Ag

Forward Citations = 1,006

133 inventors:

Wilfried Knott (13 out of 125 patents)

Stefan Silber (13 out of 56 patents)

Andreas Weier (12 out of 26 patents)

4. Wolfgang Josten (8 out of 13 patents)

5. Georg Burkhart (6 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Goldschmidt Ag. Retrieved from https://idiyas.com/company/goldschmidt-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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