Company Filing History:
Years Active: 1976-1983
Title: Henry Dolezal: Innovator in Arsenic Recovery and Hydrosulfide Preparation
Introduction
Henry Dolezal is a notable inventor based in Salt Lake City, UT (US). He has made significant contributions to the field of chemistry, particularly in the recovery of arsenic and the preparation of hydrosulfides. With a total of 3 patents to his name, Dolezal's work has implications for both environmental safety and industrial processes.
Latest Patents
Dolezal's latest patents include innovative methods for the recovery of arsenic from flue dust. This process involves forming an aqueous slurry of the dust, treating it with SO₂ gas to solubilize arsenic, and then precipitating the arsenic as As₂O₃ using sulfuric acid. Another significant patent focuses on the preparation of hydrosulfides. In this method, hydrosulfides of sodium, potassium, calcium, barium, and strontium are produced by reacting the oxide or hydroxide of the metal with sulfur in an aqueous medium at elevated temperature and pressure.
Career Highlights
Henry Dolezal is associated with the United States of America as represented by the Secretary of. His work has been instrumental in advancing methods that are both efficient and environmentally friendly. His patents reflect a deep understanding of chemical processes and their applications.
Collaborations
Dolezal has collaborated with notable colleagues such as Brent W. Madsen and Philip A. Bloom. These partnerships have likely contributed to the innovative nature of his work and the successful development of his patents.
Conclusion
Henry Dolezal stands out as an inventor whose work in arsenic recovery and hydrosulfide preparation showcases his commitment to innovation in chemistry. His contributions are valuable to both industry and environmental safety.