This inventor holds 7 USPTO granted patents. Top assignee: The United States of America as Represented by the Secretary of. Active years: 1976-1979.
Location History:
- Richmond, CA (US) (1976)
- El Cerrito, CA (US) (1976 - 1979)
Company Filing History:
Years Active: 1976-1979
Title: The Innovative Contributions of William L. Stanley
Introduction
William L. Stanley is a notable inventor based in El Cerrito, California. He has made significant contributions to the field of enzyme technology, holding a total of 7 patents. His work focuses on methods for insolubilizing enzymes, which has important applications in various industries.
Latest Patents
One of his latest patents is titled "Method for insolubilizing enzymes on chitosan." This invention describes a process where an aqueous solution of an enzyme is mixed with chitosan dissolved in water at a pH of 3-7. An insolubilized product is then precipitated by adding alkali or a source of sulfate ions. Another embodiment involves contacting solid chitosan sulfate with an aqueous solution of the enzyme to be immobilized. Additionally, solid chitosan can be cross-linked with a polyfunctional cross-linking agent and then contacted with an aqueous solution of an enzyme. The enzymes insolubilized through these methods retain a substantial part of their original activity.
Another significant patent by Stanley is focused on the "Insolubilization of enzymes on modified phenolic polymers." In this invention, an aqueous solution of the enzyme is mixed with a modified phenolic polymer. The modification involves introducing either aldehyde groups or diazonium salt groups into the polymer chain. The resulting enzyme products maintain a significant portion of the original enzyme activity.
Career Highlights
William L. Stanley has had a distinguished career, contributing to advancements in enzyme technology. He works for the United States of America as Represented by the Secretary of Health and Human Services, where he continues to innovate and develop new methods for enzyme applications.
Collaborations
Throughout his career, Stanley has collaborated with notable colleagues, including Virginia G. Randall and Merle S. Masri. These collaborations have further enhanced his research and development efforts in the field of enzyme technology.
Conclusion
William L. Stanley's innovative work in enzyme technology has led to significant advancements and numerous patents. His contributions continue to impact various industries, showcasing the importance of his research and inventions.