This inventor holds 2 USPTO granted patents. Top assignee: Other. Active years: 1998-2002.
Location History:
- Cambridgeshire, GB (1998)
- Saffron Walden, Essex CB10 2GF, GB (2002)
Company Filing History:
2 out of 834,411 Years Active: 1998-2002
Title: David William Smith: Innovator in Sulphide and Selenide Preparation
Introduction
David William Smith is a notable inventor based in Saffron Walden, GB. He has made significant contributions to the field of chemistry, particularly in the preparation of sulphides and selenides. With a total of 2 patents to his name, Smith's work has implications for various applications, including the production of doped phosphors.
Latest Patents
One of Smith's latest patents focuses on the preparation of sulphides and selenides. This innovative method involves dissolving sulphur or selenium in an aqueous or non-aqueous solution of hydrazine hydrate. The resulting solution is then combined with a solution of an appropriate cation to precipitate the corresponding sulphide or selenide. Notably, solutions containing two or more cations can be utilized to produce ternary compounds, such as thio-gallates. Furthermore, both sulphur and selenium can be used together to create sulpho-selenides. This method is particularly applicable for the production of doped phosphors by incorporating solutions with the appropriate dopant.
Career Highlights
Throughout his career, David William Smith has demonstrated a commitment to advancing chemical processes. His innovative approaches have garnered attention in the scientific community, leading to valuable patents that enhance the understanding and application of sulphides and selenides.
Collaborations
Smith has collaborated with notable colleagues, including Aron Vecht and Duncan Richard Guthrie. These partnerships have contributed to the development of his innovative ideas and patents.
Conclusion
David William Smith is a distinguished inventor whose work in the preparation of sulphides and selenides has made a significant impact in the field of chemistry. His contributions continue to influence various applications, showcasing the importance of innovation in scientific research.