Company Filing History:
3 out of 1,678 
1 out of 204 
Years Active: 1989-1994
Title: Karl-Heinz Drauz: Innovator in Enzymatic Processes
Introduction
Karl-Heinz Drauz is a notable inventor based in Freigericht, Germany. He has made significant contributions to the field of enzymatic processes, holding a total of 3 patents. His work focuses on the synthesis of peptides and the production of catechol and hydroquinone, showcasing his expertise in chemical engineering and biochemistry.
Latest Patents
One of Drauz's latest patents involves a process for the enzymatic preparation of protected and unprotected di- or oligopeptides. This innovative method synthesizes these compounds by reacting an N-terminally protected α-amino acid alkyl ester or peptide alkyl ester with an amino acid or a di- or oligopeptide in aqueous solution, utilizing a hydrolase. The process emphasizes the removal of protective groups from the reaction product, enhancing the solubility of the compounds involved.
Another significant patent details a method for producing catechol and hydroquinone. This method simplifies the nuclear hydroxylation of phenol, achieving high yields and selectivities by employing aqueous hydrogen peroxide along with sulfur dioxide or selenium dioxide as catalysts.
Career Highlights
Throughout his career, Drauz has worked with prominent companies such as Degussa Aktiengesellschaft and Forschungszentrum Juelich GmbH. His experience in these organizations has allowed him to develop and refine his innovative processes, contributing to advancements in the chemical industry.
Collaborations
Drauz has collaborated with notable colleagues, including Axel Kleeman and Gunter Prescher. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Karl-Heinz Drauz's contributions to enzymatic processes and chemical synthesis have established him as a key figure in his field. His innovative patents and collaborations reflect his commitment to advancing scientific knowledge and practical applications in chemistry.