Pova{haeck over (z)}ská Bystrica, Sierra Leone

Ján Kerestes, Jr

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ján Kerestes, Jr. Retrieved from https://idiyas.com/inventor/jandaacuten-kerestes-jr

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:

goldMedal1 out of 834,570 
Other
 patents

Years Active: 2003

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1 patent (USPTO):Explore Patents

Title: Ján Kerestes, Jr. - Innovator in Vegetable Melanin Production

Introduction

Ján Kerestes, Jr. is a notable inventor based in Považská Bystrica, Slovakia. He has made significant contributions to the field of biochemistry, particularly in the production and application of vegetable melanin. His innovative work has led to the development of a unique biologically active fraction of vegetable melanin.

Latest Patents

Ján Kerestes, Jr. holds a patent for a "Biologically active fraction of vegetable melanin, process for its production and its use." This patent describes a fraction of vegetable melanin that consists of monomeric units of vegetable flavonoids, especially catechins and leucoanthocyanidins. The empirical formula of the H-form is [C O H N], where n=6 to 8, with a molecular weight of (5±1).10 Da. The composition includes specific percentages of various elements, including carbon, hydrogen, nitrogen, and oxygen, along with a defined concentration of unpaired electrons and distinct spectral lines.

Career Highlights

Throughout his career, Ján Kerestes, Jr. has focused on the extraction and application of vegetable melanin. His innovative process involves treating vegetable raw materials containing native polymers and basic building units with an alkali metal hydroxide solution. This process is conducted at controlled temperatures and pH levels, resulting in a purified and dried product.

Collaborations

Ján Kerestes, Jr. has collaborated with Ljubov Andrejevna Venger, contributing to advancements in the field of vegetable melanin research. Their partnership has fostered innovation and exploration of new applications for this biochemically significant compound.

Conclusion

Ján Kerestes, Jr. is a pioneering inventor whose work in vegetable melanin production has opened new avenues in biochemistry. His patented processes and collaborations highlight his commitment to innovation in this important field.

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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