Company Filing History:
Years Active: 1980-1986
Title: Danton K Leung: Innovator in Immunoassays
Introduction
Danton K Leung is a notable inventor based in San Jose, CA (US). He has made significant contributions to the field of immunoassays, holding a total of 4 patents. His work focuses on the development of antibodies and conjugates that have practical applications in medical diagnostics.
Latest Patents
Among his latest patents is the invention of antibodies for penicilloic acid and their preparation and use. This patent describes conjugates of penicilloic acid derivatives and certain poly(amino acids), which can be either antigenic or enzymatic. The antibodies raised against these conjugates are utilized as reagents in immunoassays. Specifically, these compounds can measure the presence of β-lactamase in patient serum samples by adding a known amount of penicillin and observing the production of penicilloic acid over a fixed period. Another significant patent involves valproate conjugation using dicarbonyls. This patent provides α-substituted derivatives of valproic acid for conjugation to antigenic compositions, particularly poly(amino acids) and enzymes. The antigenic conjugates are used to produce antibodies for immunoassays that determine valproate levels, while the enzyme conjugate is employed in a homogeneous enzyme immunoassay for the same purpose.
Career Highlights
Danton K Leung has worked with several prominent companies throughout his career, including Syva Company and Syntex (U.S.A.) Inc. His experience in these organizations has contributed to his expertise in the field of immunoassays and related technologies.
Collaborations
Throughout his career, Danton has collaborated with notable individuals such as Prithipal Singh and Richard Rodgers. These collaborations have likely enriched his research and development efforts in the field.
Conclusion
Danton K Leung is a distinguished inventor whose work in immunoassays has led to valuable patents and advancements in medical diagnostics. His contributions continue to impact the field positively.