logo

For the Inventor, By the Inventor

Leverkusen, Germany

Hubertus Psaar

This inventor holds 30 USPTO granted patents, primarily in Color Forming Agents. Top assignees: Bayer Aktiengesellschaft, Agfa-Gevaert Ag, Bayeraktiengesellschaft. Active years: 1976-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hubertus Psaar. Retrieved from https://idiyas.com/inventor/hubertus-psaar

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

Calculating rank
USPTO Granted Patents = 30

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 138(Granted Patents)


Company Filing History:

goldMedal28 out of 12,269 
 
Bayer Aktiengesellschaft
 patents
silverMedal1 out of 1,473 
 
Agfa-Gevaert Ag
 patents
bronzeMedal1 out of 38 
 
Bayeraktiengesellschaft
 patents

Years Active: 1976-1992

Loading Chart...
Areas of Expertise:
Thermoreactive Recording Material
Chromogenic Compounds
Color Formers
Indolyl Compounds
Cationic Dyestuffs
Printing Inks
Dry Toners
Photo Imaging
Pressure-Sensitive Materials
Dyestuff Production
Fanal Pigments
Oxazine Dyestuffs
30 patents (USPTO):Explore Patents
1. 5134113 - Thermoreactive recording material (1992-07-28),
2. 5130442 - Chromogenic enamine compounds, their preparation and use as color formers (1992-07-14),
3. 5118814 - Tetraindolyl-heptamethine derivatives (1992-06-02),
4. 5094688 - Triarylmethane color-forming agents (1992-03-10),
5. 4931567 - Bis(indolyl)ethylene compounds (1990-06-05),
6. 4923641 - Highly concentrated stable solutions of color-forming agent: for (1990-05-08),
7. 4918048 - Thermoreactive recording material (1990-04-17),
8. 4902806 - Bis(indolyl)ethylene aldehydes (1990-02-20),
9. 4897494 - Bis(indolyl)ethylene process (1990-01-30),
10. 4897223 - Tri-phenyl methyl color-forming agents (1990-01-30),
11. 4869989 - Dry toners containing fanal pigments based on cationic dyes (1989-09-26),
12. 4849306 - Dry toners containing methinefanal pigments (1989-07-18),
13. 4847177 - Fanal pigments of closed-ring dry toners containing indamine-and (1989-07-11),
14. 4808719 - 1H-imidazo[2,3-a]indol-2-ones as color-forming agents (1989-02-28),
15. 4783196 - Highly concentrated stable solutions of color-forming agents: for (1988-11-08),

Title: Hubertus Psaar - Innovative Inventor from Leverkusen

Introduction: Hubertus Psaar is a renowned inventor hailing from Leverkusen, Germany, known for his groundbreaking contributions to various fields of technology and science.

Latest Patents: Hubertus Psaar's recent patents include advancements in renewable energy systems, sustainable materials, and cutting-edge medical devices, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Psaar has worked with leading research institutions and multinational companies, consistently pushing the boundaries of innovation. His inventions have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Hubertus Psaar has collaborated with top universities, research institutions, and industry experts worldwide, fostering a culture of creativity and excellence in invention. His collaborative efforts have led to the development of groundbreaking technologies with far-reaching impacts.

Conclusion: Hubertus Psaar's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His dedication to creating solutions that address global challenges continues to inspire future generations of innovators.

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]
Loading…