Rosangela Pirri

This inventor holds 31 USPTO granted patents and 7 published patent applications, plus 1 CIPO patent and 17 EPO patents, primarily in Polymer Chemistry. Top assignees: Arkema France, Societe Nationale Elf Aquitaine, Arkema Inc.. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rosangela Pirri. Retrieved from https://idiyas.com/inventor/rosangela-pirri

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

USPTO Granted Patents = 31 (Patent Applications = 7)

% Patents Active = 80.6

CIPO Patents = 1 (Patent Applications = 2)

EPO Patents = 17 (Patent Applications = 19)

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 121(Granted Patents)

Location History:

Monterdon, FR (2003)
Montardon, FR (1993 - 2022)

Company Filing History:

Societe Nationale Elf Aquitaine

Atotech Deutschland Gmbh

Institut Francais Du Pe'trole

patents

Years Active: 1993-2025

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Areas of Expertise:

Polymer Composition

Multistage Polymer

Methacrylic Adhesives

Biodegradable Polyacrylates

Impact Modifiers

Emulsion Polymerization

Thermoplastic Matrix

Core-Shell Polymers

Scleroglucan Gel

Photosensitive Composition

Inorganic Deposit Inhibitors

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12203014 - (Meth)acrylic composition, its method of preparation and its use (2025-01-21),

2. 11525021 - Composition comprising a multistage polymer and a (meth)acrylic polymer, its method of preparation and its use (2022-12-13),

3. 11390776 - (Meth)acrylic adhesive composition, its method of preparation and its use (2022-07-19),

4. 11384236 - Liquid (meth)acrylic composition comprising a multistage polymer and a (meth)acrylic monomer, its method of preparation and its use (2022-07-12),

5. 11312887 - Epoxy adhesive composition comprising a multistage polymer and a (meth)acrylic polymer, its method of preparation and its use (2022-04-26),

6. 11312854 - Polymer composition, its process of preparation and its use (2022-04-26),

7. 10968341 - Liquid composition comprising a multistage polymer, its method of preparation and its use (2021-04-06),

8. 10954371 - Polymer composition comprising inorganic compound and polymeric impact modifier and a process for preparing the same (2021-03-23),

9. 10851231 - Polymer composition with filler, its method of preparation and use (2020-12-01),

10. 10815370 - Liquid (meth)acrylic composition comprising a multistage polymer and a (meth)acrylic monomer, its method of preparation and its use (2020-10-27),

11. 10703866 - Multistage polymer powder composition, its method of preparation and use (2020-07-07),

12. 10597499 - Polymer composition, its method of preparation, its use and composition comprising it (2020-03-24),

13. 10513603 - Composition comprising a multistage polymer, its method of preparation and its use (2019-12-24),

14. 10435518 - Polymer powder composition and its method of preparation (2019-10-08),

15. 10392491 - Halogenated polymer composite composition, its manufacturing process and its use (2019-08-27),

Title: Innovations by Rosangela Pirri: A Focus on (Meth)acrylic Compositions

Introduction

Rosangela Pirri, a notable inventor based in Montardon, France, has made significant contributions to the field of polymer science. With an impressive portfolio of 31 patents, her innovative work primarily centers around (meth)acrylic compositions, which have applications in adhesives, coatings, and other materials.

Latest Patents

Among her latest patents, Pirri has developed a series of compositions suitable for use as (meth)acrylic adhesive materials. One such invention, titled "Meth(acrylic) composition, its method of preparation and its use," details a novel adhesive comprising a multistage polymer in the form of polymeric particles combined with a (meth)acrylic polymer. This invention emphasizes the structural integrity and adaptability of the adhesive, made from a two-part composition that enhances its performance in various applications. Another related patent focuses on a composition that includes a multistage polymer with a medium molecular weight (meth)acrylic polymer, offering avenues for impact modification in polymer compositions used in thermosetting resins and thermoplastic polymers.

Career Highlights

Rosangela Pirri's career is highlighted by her work with esteemed organizations such as Arkema and Société Nationale Elf Aquitaine. At Arkema, a global leader in specialty chemicals and advanced materials, she contributed to groundbreaking research and innovation in polymer formulations, while her tenure at Société Nationale Elf Aquitaine involved significant advancements in materials science. Her contributions have led to the commercialization of various innovative products in the industry.

Collaborations

Throughout her career, Pirri has worked alongside many talented professionals, including esteemed colleagues Philippe Hajji and Raber Inoubli. These collaborations have played a vital role in refining her innovations and achieving successful patent applications, showcasing the importance of teamwork in the field of invention and research.

Conclusion

Rosangela Pirri's extensive body of work and her innovative contributions to the field of (meth)acrylic compositions demonstrate her significant impact as an inventor. Her patents not only reflect her creativity but also underscore the importance of collaboration and dedication within the scientific community. As an influential figure in polymer science, Pirri continues to inspire future generations of inventors.

Profile summary based on public USPTO records.