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For the Inventor, By the Inventor

Domat/Ems, Switzerland

Ems-chemie Ag


USPTO Granted Patents = 62



Trademarks = 19

Forward Citations = 474

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89 inventors (with patents filed for the assignee):

goldMedal Botho Hoffmann (10 out of 45 patents)

silverMedal Eduard Schmid (8 out of 34 patents)

bronzeMedal 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
Thermoplastic Fibers
Reinforced Polyamides
Optical Lenses
Anionic Lactam Polymerization
Multilayer Fuel Lines
Flameproof Materials
Nanocomposites
Transparent Polyamides
Material Composites
Thermoplastic Block Copolymers

62 patents:

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),
EMS-CHEMIE AG is a global specialty chemical company headquartered in Switzerland. With over 40 years of experience, EMS-CHEMIE AG develops and produces high-performance polymers and intermediates. Their products are used in various industries, including automotive, electronics, medical, and coatings. The company focuses on innovation, sustainability, and customer satisfaction. For more information, visit their website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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62 Patents

#2 in Domat/Ems

#238 in Switzerland

#11,473 in the World

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Domat/Ems, Switzerland

Ems-chemie Ag

Forward Citations = 474

89 inventors:

goldMedal Botho Hoffmann (10 out of 45 patents)

silverMedal Eduard Schmid (8 out of 34 patents)

bronzeMedal Manfred Hewel (7 out of 37 patents)

4.  Georg Stoeppelmann (7 out of 16 patents)

5.  Ornulf Rexin (7 out of 7 patents)

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