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For the Inventor, By the Inventor

Issy les Moulineaux, France

Chryso


USPTO Granted Patents = 27

% Expired Patents = 14.8



Trademarks = 4

Forward Citations = 20

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45 inventors (with patents filed for the assignee):

goldMedal Frédéric Leising (9 out of 11 patents)

silverMedal Bruno Pellerin (7 out of 8 patents)

bronzeMedal Philippe Maitrasse (4 out of 5 patents)

4.  Kamel Chougrani (3 out of 3 patents)

5.  Alexandre Desseroir (3 out of 3 patents)

6.  Pascal Boustingorry (3 out of 6 patents)

7.  Martin Mosquet (3 out of 9 patents)

8.  Antoine Colas (2 out of 6 patents)

9.  Zéphirin Mouloungui (2 out of 4 patents)

10.  Sandrine Mateo (2 out of 2 patents)

11.  Olivier Malbault (2 out of 5 patents)

12.  Jean-Jacques Hivert (2 out of 2 patents)

13.  Marc Lemaire (1 out of 35 patents)

14.  Serge Sabio (1 out of 9 patents)

15.  Lucia Ferrari (1 out of 1 patent)


Core Competencies:
Hydraulic Binder
Superplasticizer
Copolymers
Plasticizers
Color Strength
Additives
Grout
Stability
Dispersing Polymers
Viscosity Reduction
Concrete Components
Alkanolamine

27 patents:

1. 12529691 - Method for analysing the quantity of clay in a sand (2026-01-20),
2. 12503395 - Fluidizing compounds for hydraulic compositions (2025-12-23),
3. 12286383 - Method for using alkanolamine in a grinder (2025-04-29),
4. 12084389 - Method for grinding a hydraulic binder (2024-09-10),
5. 11884592 - Hydraulic composition for grout (2024-01-30),
6. 11560337 - Additive for hydraulic binder useful to prevent the formation of rust-colored stains at the surface of hydraulic compositions (2023-01-24),
7. 11473011 - Coloured luminescent pigment, method for the production thereof and uses of same (2022-10-18),
8. 10822272 - Copolymers having gem-bisphosphonate groupings (2020-11-03),
9. 10533066 - Block copolymers that can be used as plasticisers (2020-01-14),
10. 10144672 - Method for preparing a superplasticizer (2018-12-04),
11. 10081572 - Copolymers having gem-bisphosphonate groupings (2018-09-25),
12. 10071952 - Alpha/alpha-prime-alkoxylated glycerol linear carbonic esters (2018-09-11),
13. 9950988 - Method for the synthesis of alpha/alpha-prime-alcoxylated glycerol linear carbonic esters (2018-04-24),
14. 9873637 - Anti-filming surface-active agent (2018-01-23),
15. 9796625 - Anti-filming surface-active agent (2017-10-24),
Company Overview
Chryso is a prominent player in the construction materials sector, specializing in the development and manufacturing of innovative solutions for concrete and cement. The company focuses on enhancing the performance and sustainability of construction materials through advanced chemical formulations. With a strong presence in various international markets, Chryso is dedicated to providing high-quality products that meet the evolving needs of the construction industry, emphasizing efficiency and environmental responsibility.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Chryso USPTO Patent Assignee Logo
27 Patents

#7 in Issy les Moulineaux

#788 in France

#24,012 in the World

Issy les Moulineaux, FR
Issy les Moulineaux, France

Chryso

Forward Citations = 20

45 inventors:

goldMedal Frédéric Leising (9 out of 11 patents)

silverMedal Bruno Pellerin (7 out of 8 patents)

bronzeMedal Philippe Maitrasse (4 out of 5 patents)

4.  Kamel Chougrani (3 out of 3 patents)

5.  Alexandre Desseroir (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chryso. Retrieved from https://idiyas.com/company/chryso

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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