Warsaw, Poland

Hanna Fitak

This inventor holds 2 USPTO granted patents, plus 1 CIPO patent. Top assignee: Instytut Farmaceutyczny. Active years: 2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hanna Fitak. Retrieved from https://idiyas.com/inventor/hanna-fitak

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



Average Co-Inventor Count = 6.2

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2010

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2 patents (USPTO):Explore Patents

Title: Innovations of Hanna Fitak in Pharmaceutical Chemistry

Introduction

Hanna Fitak is a prominent inventor based in Warsaw, Poland, known for her significant contributions to pharmaceutical chemistry. She has been instrumental in developing processes for the preparation of calcipotriol, a compound used in various medical applications. With two patents to her name, her work showcases the intersection of innovation and practical application in the pharmaceutical industry.

Latest Patents

Hanna Fitak's latest patents include a process for the preparation of calcipotriol and a process for the preparation of pharmaceutically pure anhydrous calcipotriol. The first patent details a method that involves reacting a C-22 phenylsulfonyl derivative of cholecalciferol with a silyl derivative of alfa-hydroxy aldehyde in the presence of a strong organic base. This process results in calcipotriol containing less than 0.3% of the (22Z)-isomer and is free of mercury traces. The second patent outlines a method for obtaining pharmaceutical-grade anhydrous calcipotriol by dissolving crude calcipotriol in a solvent system that forms an azeotropic system with water, followed by crystallization to achieve the desired purity.

Career Highlights

Hanna Fitak is affiliated with the Pharmaceutical Institute, where she applies her expertise in pharmaceutical chemistry to advance research and development. Her innovative approaches have not only contributed to her patents but have also enhanced the understanding of calcipotriol's applications in medicine.

Collaborations

Hanna collaborates with notable colleagues such as Andrzej Kutner and Wieslaw Szelejewski, who contribute to her research endeavors and the advancement of pharmaceutical sciences.

Conclusion

Hanna Fitak's work exemplifies the vital role of innovation in the pharmaceutical industry, particularly in the development of calcipotriol. Her patents reflect a commitment to improving pharmaceutical processes and ensuring the safety and efficacy of medical compounds.

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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