Tony Van Osselaer

This inventor holds 15 USPTO granted patents. Top assignees: Bayer Aktiengesellschaft, Bayer Ag Konzernverwaltung Rp, Phenolchemie Gmbh & Co. Kg. Active years: 1998-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tony Van Osselaer. Retrieved from https://idiyas.com/inventor/tony-van-osselaer

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

USPTO Granted Patents = 15

% Patents Active = 53.3

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 51(Granted Patents)

Location History:

Belsele, BE (1998 - 1999)
Krefeld, DE (2001 - 2005)

Company Filing History:

14 out of 12,268

Bayer Aktiengesellschaft

patents

1 out of 1

Bayer Ag Konzernverwaltung Rp

patent

1 out of 10

Phenolchemie Gmbh & Co. Kg

patents

where one patent can have more than one assignee

Years Active: 1998-2005

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6858758 - Method for producing bisphenols (2005-02-22),

2. 6710154 - Polycarbonate substrates (2004-03-23),

3. 6695991 - Device for exchanging a die plate of a prilling tower and method for the automatic exchange (2004-02-24),

4. 6689464 - Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method (2004-02-10),

5. 6682794 - Polycarbonate containers (2004-01-27),

6. 6414198 - Method for producing bisphenol-A (2002-07-02),

7. 6395864 - Polycarbonates with a low yellowness index (2002-05-28),

8. 6384288 - Method for the production of bis(4-hydroxyaryl)alkanes (2002-05-07),

9. 6316678 - Method for producing dis(4-hydroxyaryl) alkanes (2001-11-13),

10. 6294702 - Method for continuous production of dihydroxydiphenylalkanes (2001-09-25),

11. 5959160 - Purification of p,p-bisphenolate solutions (1999-09-28),

12. 5921089 - Method for the transport and storage of phenol (1999-07-13),

13. 5786445 - Process for drying polymeric powders and polymeric agglomerates (1998-07-28),

14. 5785823 - Process for the purification of bisphenol (1998-07-28),

15. 5756860 - Crystalline adduct of bisphenol A and bisphenol TMC (1998-05-26),

Title: **Innovator Spotlight: Tony van Osselaer**

Introduction

Tony van Osselaer, an inventor based in Krefeld, Germany, has made a significant contribution to the field of materials science through his innovative patent. With a focus on polycarbonates, his work addresses crucial aspects of material quality, particularly in optical applications.

Latest Patents

Tony van Osselaer's most notable patent is centered on "Polycarbonates with a low yellowness index." This invention describes a sophisticated process for preparing polycarbonate resins that maintain a low yellowness index. The method involves converting phosgene with a sodium bisphenolate solution through a phase interface process, carried out in an oxygen-excluded environment. Remarkably, the sodium bisphenolate solution utilized in this process features a dissolved oxygen content of less than 150 ppb. Additionally, the patent highlights the creation of optical data storage media derived from the polycarbonate of his invention, showcasing its potential applications in technology that demands clarity and quality.

Career Highlights

Currently, Tony van Osselaer is employed at Bayer Aktiengesellschaft, a global leader in chemicals and pharmaceuticals. His role at the company has allowed him to engage in cutting-edge research and development, paving the way for innovations that enhance product performance and sustainability.

Collaborations

Throughout his career, Tony van Osselaer has collaborated with talented colleagues such as Steffen Kühling and Rolf Lanze. These partnerships have fostered an innovative environment, leading to advancements in the materials field that not only boost Bayer’s portfolio but also set new benchmarks for quality in the industry.

Conclusion

Tony van Osselaer's contributions to polycarbonate technology exemplify the spirit of innovation that drives progress in materials science. With his noteworthy patents and collaborations with esteemed professionals, he continues to play a vital role in advancing technology that meets the demands of modern applications. His work is a testament to the impact that dedicated inventors can have on both industry and society.

Profile summary based on public USPTO records.

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]