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Oftringen, Switzerland

Omya International Ag

USPTO Granted Patents = 322

% Expired Patents = 16.1

CIPO Patents = 54

EPO Patents = 303

Forward Citations = 282

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202 inventors (with patents filed for the assignee):

Patrick A C Gane (157 out of 196 patents)

Matthias Buri (83 out of 111 patents)

Samuel Rentsch (71 out of 72 patents)

4. Joachim Schoelkopf (42 out of 51 patents)

5. Daniel Edward Gerard (30 out of 31 patents)

6. Daniel Gantenbein (24 out of 34 patents)

7. René Vinzenz Blum (23 out of 33 patents)

8. Michael Pohl (20 out of 23 patents)

9. Martin Brunner (17 out of 24 patents)

10. René Burkhalter (16 out of 16 patents)

11. Matthias Welker (16 out of 20 patents)

12. Joachim Schölkopf (16 out of 22 patents)

13. Catherine Jean Ridgway (15 out of 17 patents)

14. Philipp Hunziker (15 out of 19 patents)

15. Marc Maurer (14 out of 20 patents)

Core Competencies:

Calcium Carbonate

Surface Treatment

Biodegradable Films

Sun Protection

Elastomer Composition

Digital Printing

Functionalized Compounds

Aqueous Suspensions

Filler Materials

Mineral Oil Barrier

Granulated Material

Wettability Control

322 patents: Sort by Forward Citations

1. 12758473 - Surface-treated magnesium or calcium ion-containing materials as white pigments in oral care compositions (2026-10-13),

2. 12742058 - Ultrafine surface-treated fillers for thin breathable films (2026-09-22),

3. 12735583 - Coatings comprising antimicrobial active ingredients for food packaging (2026-09-15),

4. 12715980 - Stabilizer composition for silyl-modified polymer sealants (2026-08-25),

5. 12679953 - Reinforced fluoropolymer (2026-07-14),

6. 12668499 - Process for producing nano precipitated calcium carbonate (2026-06-30),

7. 12655299 - Process for producing a white UV-absorbing surface-reacted calcium carbonate doped with a titanium species, a white UV-absorbing surface-reacted calcium carbonate and use thereof (2026-06-16),

8. 12649679 - Hollow spherical glass particles (2026-06-09),

9. 12630438 - Process for producing precipitated calcium carbonate in the presence of natural ground calcium carbonate (2026-05-19),

10. 12624482 - Nonwoven fabrics comprising polylactic acid and surface-treated calcium carbonate (2026-05-12),

11. 12624216 - Method for the production of free-flowing granules (2026-05-12),

12. 12617934 - Low noise biodegradable breathable films (2026-05-05),

13. 12611368 - Dry compositions and/or emulsions for chemical and physical sun protection and use thereof (2026-04-28),

14. 12559405 - Process of manufacturing hollow spherical glass particles (2026-02-24),

15. 12552941 - Calcium carbonate treated with functionalized poly- and/or perfluorinated compounds (2026-02-17),

Company Overview

Omya International AG, headquartered in Oftringen, Switzerland, specializes in the development and production of calcium carbonate and related products. The company focuses on innovative applications across various sectors, including surface treatment, biodegradable films, and sun protection. Omya's expertise extends to elastomer compositions, digital printing, and functionalized compounds, emphasizing sustainable solutions and advanced technologies. With a commitment to quality and environmental responsibility, Omya serves a global market, enhancing products through its extensive knowledge in aqueous suspensions and calcium carbonate technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

322 Patents

#1 in Oftringen

#58 in Switzerland

#2,797 in the World

Oftringen, Switzerland

Omya International Ag

Forward Citations = 282

202 inventors:

Patrick A C Gane (157 out of 196 patents)

Matthias Buri (83 out of 111 patents)

Samuel Rentsch (71 out of 72 patents)

4. Joachim Schoelkopf (42 out of 51 patents)

5. Daniel Edward Gerard (30 out of 31 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Omya International Ag. Retrieved from https://idiyas.com/company/omya-international-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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