This inventor holds 11 USPTO granted patents, plus 3 CIPO patents. Top assignees: E.i. Dupont De Nemours and Company, Other. Active years: 1979-1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Wilmington, DE (US) (1984 - 1989)
- Newark, DE (US) (1979 - 1990)
Company Filing History:
10 out of 16,339 
1 out of 834,570 Years Active: 1979-1990
Title: The Innovative Contributions of Wallace W. Yau
Introduction
Wallace W. Yau is a prominent inventor based in Wilmington, DE, known for his significant contributions to the field of molecular weight determination and viscosity measurement. With a total of 11 patents to his name, Yau has made remarkable advancements in the understanding and application of osmometry and liquid chromatography.
Latest Patents
Among his latest patents, Yau has developed an osmotic method for determining the molecular weight of solutes. This innovative apparatus utilizes a fluid circuit with two pressure measurement zones, one that responds solely to viscosity effects and another that accounts for both viscosity and osmotic effects. The osmotic effects are generated by cross-linked polymeric material that expands and contracts in response to the presence of a solvent and a solution, respectively. This unique mechanism alters the effective radius of the zone, thereby influencing the pressure readings. Additionally, Yau has created a viscosity detection method for liquid chromatography systems. This method measures the inherent viscosity of individual solute components in a multicomponent sample by analyzing pressure differences and concentrations over time, ultimately providing a mathematical relationship to obtain inherent viscosity.
Career Highlights
Throughout his career, Yau has worked with notable companies, including E.I. DuPont De Nemours and Company. His work in these organizations has allowed him to refine his expertise and contribute to groundbreaking research and development in his field.
Collaborations
Yau has collaborated with esteemed colleagues such as Joseph J. Kirkland and Charles H. Dilks, Jr. These partnerships have further enhanced his innovative capabilities and have led to the successful development of his patents.
Conclusion
Wallace W. Yau's contributions to the fields of osmometry and viscosity measurement have established him as a leading inventor. His innovative patents and collaborations reflect his dedication to advancing scientific knowledge and technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile