Company Filing History:
Years Active: 1982-1992
Title: Fred G Schreiber: Innovator in Pharmaceutical Chemistry
Introduction
Fred G Schreiber is a notable inventor based in Highland Park, NJ (US), recognized for his significant contributions to pharmaceutical chemistry. With a total of 12 patents to his name, Schreiber has made remarkable advancements in the synthesis of cephalosporin antibiotics.
Latest Patents
Among his latest patents is a process for preparing cephalexin monohydrate. This innovative method involves the silylation of 7-ADCA, yielding high purity and improved yield when the silylation step is conducted by refluxing in a solvent with a boiling point exceeding 100 degrees Celsius. Another notable patent is a method for the production of 3-methyl cephem derivatives. This method enhances the yields and purities of cophalexin monohydrate or cephradine monohydrate by utilizing a unique acylation process that separates the acid acceptor from the desired product, thus preventing contamination.
Career Highlights
Throughout his career, Schreiber has worked with prominent companies in the pharmaceutical industry, including Rhone-Poulenc, Inc. and Biocraft Laboratories, Inc. His work has significantly impacted the field, particularly in the development of antibiotics.
Collaborations
Schreiber has collaborated with esteemed colleagues such as Peter S Gradeff and Vincent J Charte, contributing to various projects that have advanced pharmaceutical research.
Conclusion
Fred G Schreiber's innovative work in pharmaceutical chemistry has led to significant advancements in antibiotic synthesis. His contributions continue to influence the field and improve healthcare outcomes.