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Domat/Ems, Switzerland

Ems-Chemie Ag

USPTO Granted Patents = 62

% Expired Patents = 29.0

CIPO Patents = 7

EPO Patents = 53

Trademarks = 17

Forward Citations = 489

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89 inventors (with patents filed for the assignee):

Botho Hoffmann (10 out of 45 patents)

Eduard Schmid (8 out of 34 patents)

Manfred Hewel (7 out of 37 patents)

4. Georg Stoeppelmann (7 out of 16 patents)

5. Ornulf Rexin (7 out of 7 patents)

6. Friedrich Severin Bühler (6 out of 14 patents)

7. Ralph Kettl (6 out of 8 patents)

8. Helmut Thullen (5 out of 8 patents)

9. Ralf Hala (4 out of 12 patents)

10. Etienne Aepli (4 out of 24 patents)

11. Heinz G Hoff (4 out of 15 patents)

12. Arda Alkan (4 out of 4 patents)

13. Andri Cadalbert (4 out of 4 patents)

14. Thomas Wiedemann (3 out of 12 patents)

15. Alex Stolarz (3 out of 3 patents)

Core Competencies:

Polyamide Compounds

Molding Materials

Reinforced Polyamides

Transparent Polyamides

Hypochlorite Resistance

Thermoplastic Compositions

Optical Lenses

Filled Molding Materials

Nanocomposites

Thermoplastic Block Copolymers

Flameproof Materials

Bicomponent Fibers

62 patents: Sort by Forward Citations

1. 12398269 - Method of manufacturing a mold that is resistant to hypochlorite (2025-08-26),

2. 12392426 - Multilayer fuel line (2025-08-19),

3. 12291638 - Polyamide compounds, molds produced therefrom and use of the polyamide compounds (2025-05-06),

4. 12275818 - Steam-resistant transparent polyamides (2025-04-14),

5. 12110392 - Filled polyamide moulding compounds, moulded articles produced therefrom, and use of the filled polyamide moulding compounds (2024-10-08),

6. 12104055 - Transparent polyamides with good weathering resistance (2024-10-01),

7. 12084573 - Polyamide molding compound with low dielectric loss factor (2024-09-10),

8. 11981813 - Polyamide molding compounds for hypochlorite-resistant applications (2024-05-14),

9. 11945143 - Material composites (2024-04-02),

10. 9567462 - Polyamide molding materials reinforced with glass fibers and injection molded parts thereof (2017-02-14),

11. 9221974 - Reinforced polyamide moulding materials (2015-12-29),

12. 8846800 - Reinforced polyamide moulding materials (2014-09-30),

13. 8591793 - Press felt for paper machine and method and device for producing said felt (2013-11-26),

14. 8552103 - Filled polyamide molding materials showing a reduced water absorption (2013-10-08),

15. 8409486 - Method for making structural parts with reinforcement fiberes embedded in a matrix material using thermoplastic fibers containing polyhydroxyether (2013-04-02),

Company Overview

Ems-Chemie AG, headquartered in Domat/Ems, Switzerland, is a leading player in polyamide technology, specializing in the development and production of high-performance polyamide compounds and molding materials. The company focuses on innovative solutions such as reinforced and transparent polyamides, which cater to diverse applications including optical lenses and thermoplastic compositions. Ems-Chemie's expertise extends to creating filled molding materials with enhanced properties, addressing the needs of various industries through advanced material science.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

62 Patents

#2 in Domat/Ems

#252 in Switzerland

#11,779 in the World

Domat/Ems, Switzerland

Ems-Chemie Ag

Forward Citations = 489

89 inventors:

Botho Hoffmann (10 out of 45 patents)

Eduard Schmid (8 out of 34 patents)

Manfred Hewel (7 out of 37 patents)

4. Georg Stoeppelmann (7 out of 16 patents)

5. Ornulf Rexin (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ems-Chemie Ag. Retrieved from https://idiyas.com/company/ems-chemie-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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