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For the Inventor, By the Inventor

Krefeld, Germany

Ulrike Pitzer

This inventor holds 10 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1991-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ulrike Pitzer. Retrieved from https://idiyas.com/inventor/ulrike-pitzer

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 49(Granted Patents)


Company Filing History:

goldMedal10 out of 12,269 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1991-2000

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10 patents (USPTO):Explore Patents
1. 6086846 - Use of synthetic, iron raw materials for preparing iron oxide pigments (2000-07-11),
2. 6053972 - Non-silking iron oxide yellow pigments with high color density (2000-04-25),
3. 5885545 - Highly transparent, yellow iron oxide pigments, process for the (1999-03-23),
4. 5879441 - Very highly transparent yellow iron oxide pigments, a process for their (1999-03-09),
5. 5837216 - Use of synthetic, iron raw materials for preparing iron oxide pigments (1998-11-17),
6. 5614012 - Highly transparent, red iron oxide pigments, process for the production (1997-03-25),
7. 5368640 - Transparent iron oxide pigments, processes for their production and (1994-11-29),
8. 5066473 - Silicon nitride powders of low isoelectric point and processes for their (1991-11-19),
9. 5030434 - Silicon nitride powders with improved surface properties and processes (1991-07-09),
10. 4983371 - Silicon nitride powder of low oxygen content (1991-01-08),

Title: Ulrike Pitzer: Innovator in Iron Oxide Pigments

Introduction

Ulrike Pitzer is a prominent inventor based in Krefeld, Germany. She has made significant contributions to the field of materials science, particularly in the development of iron oxide pigments. With a total of 10 patents to her name, Pitzer has established herself as a leading figure in her industry.

Latest Patents

Among her latest innovations, Pitzer has developed a method for the use of synthetic iron raw materials to prepare iron oxide pigments through the Penniman process and other iron-dissolution processes. This invention focuses on enhancing the quality and efficiency of pigment production. Additionally, she has created non-silking iron oxide yellow pigments with high color density, specifically in the .alpha.-FeOOH modification, achieving a silking index of less than 5.

Career Highlights

Ulrike Pitzer is currently employed at Bayer Aktiengesellschaft, where she continues to push the boundaries of pigment technology. Her work has not only advanced the field but has also contributed to the company's reputation as a leader in chemical innovation.

Collaborations

Throughout her career, Pitzer has collaborated with notable colleagues such as Gerhard Franz and Benno Laubach. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Ulrike Pitzer's contributions to the field of iron oxide pigments exemplify her innovative spirit and dedication to advancing materials science. Her patents and collaborations highlight her role as a key player in the industry, paving the way for future advancements.

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]
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