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For the Inventor, By the Inventor

Paris, France

Omya Sa

Calculating rank
USPTO Granted Patents = 8

% Expired Patents = 25.0


Forward Citations = 77

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15 inventors (with patents filed for the assignee):

goldMedal Pierre Blanchard (4 out of 17 patents)

silverMedal Maurice Husson (4 out of 7 patents)

bronzeMedal Georges Ravet (4 out of 33 patents)

4.  Jean-Pierre Fichou (3 out of 3 patents)

5.  Bernard Barroyer (2 out of 2 patents)

6.  Claude Cabannes (2 out of 2 patents)

7.  Jean Pierre Fichou (1 out of 1 patent)

8.  Henri Barnier (1 out of 1 patent)

9.  Dieter Strauch (1 out of 9 patents)

10.  Pierre Delfosse (1 out of 5 patents)

11.  Luis Pedroso (3 patents)

12.  Ana Teresa Gomes De Oliveira Manaia (0 patent)

13.  Maria Teresa Freire Vieira (0 patent)

14.  Carolina Curado (0 patent)

15.  João Pedro Freire Duarte (0 patent)


8 patents:

1. 6787575 - Method for processing a mineral fillers with a phosphate, said fillers and their uses (2004-09-07),
2. 6765032 - Treated mineral fillers suspensions of these fillers in polyols and their uses in polyurethane foams (2004-07-20),
3. 6545059 - Treated mineral fillers suspensions of these fillers in polyols and their uses in polyurethane foams (2003-04-08),
4. 6159390 - Treated mineral fillers suspensions of these fillers in polyols and (2000-12-12),
5. 5171409 - Continuous process of separating electrically charged solid, pulverulent (1992-12-15),
6. 4741624 - Device for putting in contact fluids appearing in the form of different (1988-05-03),
7. 4702114 - Device for withdrawing and conditioning samples of materials in solid, (1987-10-27),
8. 4284546 - Coating substances with a high concentration of solids, for coated papers (1981-08-18),
Company Overview
Omya Sa is a leading global producer of industrial minerals, mainly fillers and pigments derived from calcium carbonate and dolomite, serving a wide range of industries. With a focus on sustainability and innovation, Omya is committed to providing high-quality products and solutions to customers worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

8 Patents

#417 in Paris

#2,028 in France

Paris, FR
Paris, France

Omya Sa

Forward Citations = 77

15 inventors:

goldMedal Pierre Blanchard (4 out of 17 patents)

silverMedal Maurice Husson (4 out of 7 patents)

bronzeMedal Georges Ravet (4 out of 33 patents)

4.  Jean-Pierre Fichou (3 out of 3 patents)

5.  Bernard Barroyer (2 out of 2 patents)

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

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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