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Oftringen, Switzerland

Omya Ag

USPTO Granted Patents = 9

% Expired Patents = 44.4

CIPO Patents = 2

Trademarks = 33

Forward Citations = 80

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9 inventors (with patents filed for the assignee):

Matthias Buri (8 out of 111 patents)

Patrick A C Gane (5 out of 196 patents)

Patrick Schwarzentruber (3 out of 15 patents)

4. René Vinzenz Blum (1 out of 33 patents)

5. Pierre Blanchard (1 out of 17 patents)

6. Beat Karth (1 out of 13 patents)

7. Patrick Trouve (1 out of 10 patents)

8. Detlef Gysau (1 out of 1 patent)

9. Marion Loman-Oonk, Legal Representative (1 out of 1 patent)

10. Dieter Strauch (9 patents)

11. Max Schachenmann (1 patent)

12. Daniel Frey (0 patent)

9 patents: Sort by Forward Citations

1. 7666275 - Composite co-structured or co-adsorbed, mineral or organic filler or pigment compounds and the use thereof (2010-02-23),

2. 7645361 - Composite co-structured or co-adsorbed, mineral or organic filler or pigment compounds and the use thereof (2010-01-12),

3. 7537675 - Composite co-structured or co-adsorbed, mineral or organic filler or pigment compounds and the use thereof (2009-05-26),

4. 7311802 - Composite co-structured or co-adsorbed, mineral or organic filler or pigment compounds and the use thereof (2007-12-25),

5. 7300974 - Rheology regulators such as ground natural calcium carbonates optionally treated with a fatty acid or salt and their use (2007-11-27),

6. 6994798 - Phenolate-containing formulation with low freezing point (2006-02-07),

7. 6666953 - Treated filler or pigment containing natural carbonate (2003-12-23),

8. 6627413 - Method for determining microbial contamination (2003-09-30),

9. 6569229 - Low-freezing point formulation containing phenol derivatives (2003-05-27),

Omya AG is a leading global producer of industrial minerals, mainly fillers and pigments derived from calcium carbonate and dolomite, serving various sectors such as paper, plastics, paints, coatings, adhesives, and construction. With over 130 years of experience, Omya operates in over 50 countries, providing innovative solutions for customers' needs.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

9 Patents

#4 in Oftringen

#1,126 in Switzerland

Oftringen, Switzerland

Omya Ag

Forward Citations = 80

9 inventors:

Matthias Buri (8 out of 111 patents)

Patrick A C Gane (5 out of 196 patents)

Patrick Schwarzentruber (3 out of 15 patents)

4. René Vinzenz Blum (1 out of 33 patents)

5. Pierre Blanchard (1 out of 17 patents)

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