This inventor holds 4 USPTO granted patents and 4 published patent applications. Top assignees: Nycomed Imaging as, Amersham Health as. Active years: 1998-2003.
Company Filing History:
Years Active: 1998-2003
Title: Odd Einar Ingvoldstad: Innovator in Contrast Agents
Introduction
Odd Einar Ingvoldstad is a notable inventor based in Oslo, Norway. He has made significant contributions to the field of medical imaging through his innovative processes for the preparation of contrast agents. With a total of 4 patents to his name, Ingvoldstad's work has had a substantial impact on the industry.
Latest Patents
Ingvoldstad's latest patents include a process for the preparation of contrast agents. This invention provides a method for creating an N-alkyl-acylamino-phenyl-carboxylic acid or its derivative through liquid phase acylation and subsequent N-alkylation. The improvement in this process involves the addition of an alkylating agent to a solution containing the reaction products of the acylation, facilitating the N-alkylation. Another significant patent is for the manufacture of iohexol. This invention outlines a process for producing iohexol by reacting 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodophthalamide with a 2,3-dihydroxypropylating agent. The process is enhanced by conducting the reaction in the presence of a solvent that includes 2-methoxy-ethanol and optionally isopropanol.
Career Highlights
Throughout his career, Ingvoldstad has worked with prominent companies in the medical imaging sector. He has been associated with Nycomed Imaging and Amersham Health, where he contributed to advancements in imaging technologies. His expertise in the field has allowed him to develop innovative solutions that improve patient care.
Collaborations
Ingvoldstad has collaborated with several professionals in his field, including Trygve Gulbrandsen and Dick Malthe-So Slashedrensen. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Odd Einar Ingvoldstad is a distinguished inventor whose work in the preparation of contrast agents has significantly advanced medical imaging. His innovative processes and collaborations have made a lasting impact on the industry.