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Chelmsford, MA, United States of America

Frx Polymers, Inc.

USPTO Granted Patents = 30

% Expired Patents = 56.7

EPO Patents = 14

Trademarks = 2

Forward Citations = 101

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25 inventors (with patents filed for the assignee):

Dieter Freitag (21 out of 24 patents)

Lawino Kagumba (13 out of 16 patents)

Pin Go (10 out of 11 patents)

4. Jan-Pleun Lens (10 out of 33 patents)

5. Youmi Jeong (6 out of 6 patents)

6. Marc-Andre Lebel (6 out of 6 patents)

7. Johann Rechner (2 out of 56 patents)

8. Xiudong Sun (2 out of 2 patents)

9. Helmut-Werner Heuer (2 out of 51 patents)

10. Pieter Ooms (2 out of 85 patents)

11. Stephan Konrad (2 out of 9 patents)

12. Berit Krauter (2 out of 2 patents)

13. Gad Stahl (2 out of 2 patents)

14. Savvas Hadjikyriacou (2 out of 2 patents)

15. Michael Prein (2 out of 25 patents)

Core Competencies:

Nanoparticle Compositions

Phosphonate Oligomers

Flame Retardants

Epoxy Resins

Polyester Fibers

Polyphosphonates

Thermoplastic Polyurethanes

Amino Terminated Phosphonamides

Block Copolycarbonate

High Molecular Weight Copolymers

Branched Polyphosphonates

Additive Mixtures

30 patents: Sort by Forward Citations

1. 11718747 - Nanoparticle containing compositions (2023-08-08),

2. 10836909 - Blends of polyesters and phosphonate oligomers and polymers (2020-11-17),

3. 10724154 - Phosphonate polymers, copolymers, and their respective oligomers as flame retardants for polyester fibers (2020-07-28),

4. 10717931 - Curing of epoxy resins with phosphonate oligomers (2020-07-21),

5. 10167377 - Phosphorus containing epoxy compounds and compositions therefrom (2019-01-01),

6. 10077354 - Epoxy compositions (2018-09-18),

7. 9938381 - Flame retardant polyamide compositions (2018-04-10),

8. 9783737 - Amino terminated phosphonamide oligomers and flame retardant compositions therefrom (2017-10-10),

9. 9745424 - Insoluble and branched polyphosphonates and methods related thereto (2017-08-29),

10. 9695278 - Polyester co-phosphonates (2017-07-04),

11. 9527984 - Polyphosphonate and copolyphosphonate additive mixtures (2016-12-27),

12. 9290653 - Phosphonate polymers, copolymers, and their respective oligomers as flame retardants for polyester fibers (2016-03-22),

13. 9267017 - Thermoplastic polyurethanes with exceptional fire resistance (2016-02-23),

14. 9150711 - Flame retardant polyamide compositions (2015-10-06),

15. 8975367 - Polyphosphonate and copolyphosphonate additive mixtures (2015-03-10),

Frx Polymers, Inc. is a leading innovator in the development and manufacturing of flame retardant materials, specializing in environmentally friendly polymer solutions. The company focuses on creating high-performance additives that enhance the safety and sustainability of various applications, particularly in the electronics, automotive, and construction industries. Headquartered in Chelmsford, MA, Frx Polymers is committed to advancing materials science through research and technology, aiming to meet the growing demand for safer and more sustainable products.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

30 Patents

#9 in Chelmsford, MA

#671 in Massachusetts

#11,249 in US

#21,840 in the World

Chelmsford, MA, United States of America

Frx Polymers, Inc.

Forward Citations = 101

25 inventors:

Dieter Freitag (21 out of 24 patents)

Lawino Kagumba (13 out of 16 patents)

Pin Go (10 out of 11 patents)

4. Jan-Pleun Lens (10 out of 33 patents)

5. Youmi Jeong (6 out of 6 patents)

Please report any incorrect information to [email protected]

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