John S Zambounis

This inventor holds 32 USPTO granted patents, primarily in Fluorescent Pigments. Top assignees: Ciba Specialty Chemicals Corporation, Ciba-Geigy Corporation. Active years: 1992-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John S Zambounis. Retrieved from https://idiyas.com/inventor/john-s-zambounis

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

USPTO Granted Patents = 32

% Patents Active = 90.6

Average Co-Inventor Count = 2.3

ph-index = 8

Forward Citations = 225(Granted Patents)

Location History:

Murten, CH (1994 - 2002)
Basle, CH (2002)
Basel, CH (1992 - 2004)

Company Filing History:

22 out of 1,524

Ciba Specialty Chemicals Corporation

patents

10 out of 6,858

Ciba-Geigy Corporation

patents

Years Active: 1992-2004

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Areas of Expertise:

Fluorescent Pigments

Color Images

Pyrocarbonic Acid Diesters

Structured Pigment Coating

Fluorescent Azo Pigments

Fluorescent Indigo Pigments

Fluorescent Quinacridone Pigments

Fluorescent Perylene Pigments

Cyanimino Groups

Tetracyanoquinodimethanes

Pyrrolo[3,4-C]Pyrroles

Coloration Processes

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6767620 - Pigmented porous material (2004-07-27),

2. 6486332 - Fluorescent pigments (2002-11-26),

3. 6359122 - Pyrocarbonic acid diesters and the preparation and use thereof (2002-03-19),

4. 6271401 - Fluorescent anthraquinoid pigments (2001-08-07),

5. 6261359 - Fluorescent pigments (2001-07-17),

6. 6222047 - Pyrocarbonic acid diesters and the preparation and use thereof (2001-04-24),

7. 6180315 - Compositions for making structured color images and application thereof (2001-01-30),

8. 6127549 - Fluorescent indigo pigments (2000-10-03),

9. 6040108 - Compositions for making structured color images and application thereof (2000-03-21),

10. 6013777 - Process for the preparation of fluorescent pigments (2000-01-11),

11. 6013776 - Fluorescent azo pigments (2000-01-11),

12. 5886160 - Fluorescent pigments (1999-03-23),

13. 5879855 - Compositions for making structured color images and application thereof (1999-03-09),

14. 5874580 - Fluorescent perylene pigments (1999-02-23),

15. 5840449 - Structured pigment coating and its preparation and use (1998-11-24),

Title: **Innovations of John S. Zambounis: A Pioneer in Pigmented Materials**

Introduction

John S. Zambounis, based in Murten, Switzerland, is a prolific inventor with a remarkable portfolio of 32 patents. His work, primarily focused on advanced materials, has contributed significantly to the fields of pigments and coatings.

Latest Patents

Among his latest innovations, Zambounis introduced a pigmented porous material. This new colored porous material incorporates an effective coloring amount of an organic pigment, achieved by fragmenting a meltable or solvent-soluble pigment precursor. The resulting colored porous material powders are designed for use as pigments in high molecular weight organic materials. Additionally, he has also developed fluorescent pigments, further enhancing the range of applications for his inventions.

Career Highlights

Zambounis's distinguished career includes notable positions at Ciba Specialty Chemicals Corporation and Ciba-Geigy Corporation. His extensive experience in these prominent organizations has allowed him to explore and innovate within the realm of chemical engineering and materials science.

Collaborations

Throughout his career, Zambounis has collaborated with talented professionals, including Zhimin Hao and Abul Iqbal. These partnerships have played a crucial role in the development of his innovative products and technologies.

Conclusion

John S. Zambounis stands out as a key figure in the development of pigmented materials. His numerous patents underscore his commitment to innovation in materials science, benefiting various industries that rely on high-quality pigments for their products.

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]