This inventor holds 3 USPTO granted patents and 5 published patent applications and 2 EPO patents. Top assignee: Cetus Corporation. Active years: 1989-1990.
Company Filing History:
Years Active: 1989-1990
Title: The Innovations of Lawrence I Greenfield
Introduction
Lawrence I Greenfield is a notable inventor based in Albany, CA (US). He has made significant contributions to the field of biotechnology, particularly in the development of vaccines and toxin conjugates. With a total of 3 patents, Greenfield's work has had a substantial impact on medical science.
Latest Patents
Greenfield's latest patents include groundbreaking innovations in recombinant diphtheria vaccines. His patent on recombinant diphtheria toxin A fragment muteins describes enzymatically inactive but immunologically crossreactive proteins with diphtheria toxin. Additionally, he has developed intermediates and methods for preparing such proteins using recombinant techniques. Another significant patent involves a novel class of polypeptides useful in constructing conjugates between antibodies and peptide toxins. This patent details polypeptides of the general formula (F-(Pro).sub.n).sub.m F, where F represents a flexible amino acid sequence selected from serine, glycine, and threonine. These innovations are crucial for advancing therapeutic applications in immunology.
Career Highlights
Greenfield has had a distinguished career, working at Cetus Corporation, where he has been able to apply his expertise in biotechnology. His work has contributed to the advancement of medical technologies and has positioned him as a leader in his field.
Collaborations
Throughout his career, Greenfield has collaborated with esteemed colleagues, including Donald A Kaplan and Danute E Nitecki. These partnerships have fostered innovation and have led to the successful development of various biotechnological advancements.
Conclusion
Lawrence I Greenfield's contributions to biotechnology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the development of medical technologies and vaccines, showcasing the importance of innovation in healthcare.