Adrien Dromard

This inventor holds 17 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Silica Chemistry. Top assignees: Rhone-Poulenc Chimie, Rhodia Chimie, Rhone-Poulenc Industries. Active years: 1977-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Adrien Dromard. Retrieved from https://idiyas.com/inventor/adrien-dromard

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 17

% Patents Active = 88.2

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 1

Average Co-Inventor Count = 2.5

ph-index = 7

Forward Citations = 122(Granted Patents)

Location History:

Lyon, FR (1977)
Paris, FR (1978 - 1985)
Asnieres, FR (1993 - 1995)
Lyons, FR (1995 - 2010)

Company Filing History:

Rhone-Poulenc Industries

patents

4. 2 out of 202

Rhone-Poulenc Specialites Chimiques

patents

5. 1 out of 834,601

Other

patents

Years Active: 1977-2010

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Areas of Expertise:

Silica

Toothpaste Compositions

Hydroxylation

Abrasive Silicas

Polysiloxanes

Phenolic Compounds

Anion Exchange Resins

Bromination

Precipitated Silica

Thickening Agents

Texturing Agents

Catalytic Preparation

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7799304 - Highly-structured silica having a low water uptake, preparation method thereof and uses of same (2010-09-21),

2. 7033576 - Use of a high structure and dispersible precipitated silica as a thickening or texturing agent in toothpaste compositions (2006-04-25),

3. 6841645 - Peroxidised polyorganosiloxanes (POS), one of the methods for preparing them and their uses as bleaching agent in dental compositions (2005-01-11),

4. 6521214 - Process for preparation of abrasive precipitated silica (2003-02-18),

5. 6187292 - Silica capable of being used in toothpaste compositions (2001-02-13),

6. 5989524 - Silica compatible with flavors, process for its preparation and (1999-11-23),

7. 5932191 - Abrasive silicas for toothpaste compositions (1999-08-03),

8. 5714641 - Hydroxylation of phenolic compounds (1998-02-03),

9. 5434317 - Hydroxylation of phenolic compounds (1995-07-18),

10. 5418273 - Aqueous suspensions of precipitated silica with anionic dispersant and (1995-05-23),

11. 5234493 - Stable, pumpable aqueous suspensions of precipitated silica particulates (1993-08-10),

12. 4508845 - Catalytic preparation of high molecular weight polysiloxanes (1985-04-02),

13. 4426508 - Catalytic preparation of high molecular weight polysiloxanes (1984-01-17),

14. 4327191 - Preparation of anion exchange resins by bromination of vinyl aromatic (1982-04-27),

15. 4208536 - Hydroxylation of aromatic compounds (1980-06-17),

Title: The Innovative Contributions of Adrien Dromard

Introduction

Adrien Dromard is a notable inventor based in Lyons, France, recognized for his significant contributions to the field of materials science. With a total of 17 patents to his name, Dromard has made remarkable advancements, particularly in the development of silica materials.

Latest Patents

Among his latest patents is the invention of highly-structured silica having a low water uptake. This silica exhibits high dispersibility in various pasty or solid matrices, elastomers, and silicon. The preparation method of this silica is innovative, allowing for its use as a reinforcing filler in elastomer matrices, particularly for shoe soles. Additionally, it serves as a filler and support in diverse compositions, including food, cosmetic, and pharmaceutical applications. Another significant patent involves the use of a highly dispersible precipitated silica as a thickening or texturing agent in toothpaste compositions. This silica has specific properties, including a pH range of 3.5 to 9 and a DOP oil absorption higher than 200 ml/g, making it ideal for enhancing the texture of toothpaste.

Career Highlights

Dromard has had a distinguished career, working with prominent companies such as Rhone-Poulenc Chimie and Rhodia Chimie. His experience in these organizations has contributed to his expertise in the field of chemical engineering and materials development.

Collaborations

Throughout his career, Dromard has collaborated with esteemed colleagues, including Michel Costantini and Michel Jouffret. These partnerships have fostered innovation and the exchange of ideas, further enhancing his contributions to the industry.

Conclusion

Adrien Dromard's work in the field of silica materials has led to significant advancements that benefit various industries. His innovative patents and collaborations highlight his role as a key figure in materials science.

Profile summary based on public USPTO records.