Praha, Czechoslovakia

Ivan Helfert

This inventor holds 2 USPTO granted patents. Top assignees: Spofa Spojene Podniky Pro Zdravotnickou, Vyzkumny Ustav Pro Farmacii a Biochemii S.p.. Active years: 1989-1995.


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1989-1995

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2 patents (USPTO):Explore Patents

Title: Ivan Helfert: Innovator in Pharmaceutical Chemistry

Introduction

Ivan Helfert is a notable inventor based in Praha, Czech Republic. He has made significant contributions to the field of pharmaceutical chemistry, particularly through his innovative patents. With a total of 2 patents, Helfert's work has had a meaningful impact on drug development.

Latest Patents

Helfert's latest patents include the development of N-arylalkylderivatives of 2-aminomethyl-2,3-dihydro-1,4-benzodioxine and 2-Isopropyl-2-(2-methylphenyl)-5-(N-methylhomoveratrylamino)-valeronitrile, commonly known as 'mepamil'. The claimed compound is preferably administered in the form of water-soluble acid addition salts, such as hydrochloride. The preparation of this compound involves the alkylation of 2-(2-methylphenyl)-3-methylbutyronitrile with 3,3-diethoxypropylchloride, followed by mild acidic hydrolysis to yield the appropriate aldehyde. This aldehyde is then reacted with N-methylhomoveratrylamine under conditions of reductive alkylation, resulting in a base that can be converted into the corresponding acid addition salt.

Career Highlights

Throughout his career, Ivan Helfert has worked with prominent companies in the pharmaceutical sector, including Spofa Spojene Podniky Pro Zdravotnickou and Vyzkumny Ustav Pro Farmacii a Biochemii. His expertise in drug formulation and development has been instrumental in advancing pharmaceutical research.

Collaborations

Helfert has collaborated with notable colleagues such as Miroslav Rajsner and Vaclav Trcka. These partnerships have contributed to the successful development of innovative pharmaceutical solutions.

Conclusion

Ivan Helfert's contributions to pharmaceutical chemistry through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence drug development and research in the industry.

Profile summary based on public USPTO records.
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