This inventor holds 2 USPTO granted patents. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1979-1981.
Company Filing History:
Years Active: 1979-1981
Title: Innovations of David J Haack
Introduction
David J Haack is a notable inventor based in Wilmington, DE (US). He has made significant contributions to the field of chemical engineering, particularly through his innovative patents. With a total of 2 patents, Haack has demonstrated his expertise and creativity in developing solutions that address complex challenges.
Latest Patents
One of Haack's latest patents is focused on surfactant foams and their use. This invention involves aqueous foam compositions that comprise water and a mixture of ammonium lauryl sulfate, methyl polyoxyethylene cocoamine chloride, dimethyl cocoamine oxide, and polyvinyl alcohol. These compositions are designed to suppress the formation of fumes from fumable materials by covering the material with foam, thereby preventing fume release through a reaction with water.
Another significant patent by Haack is related to the production of chlorine and iron oxide from ferric chloride. This improved process utilizes a fluidized-bed reactor to treat ferric chloride in the vapor phase with an excess of oxygen at elevated temperatures. The method incorporates a catalyst made from sodium chloride and iron oxide, along with a carbonaceous fuel that supplies supplemental heat. This innovative approach not only enhances the efficiency of chlorine production but also addresses pollution concerns associated with iron chloride disposal.
Career Highlights
David J Haack is currently employed at E.I. DuPont De Nemours and Company, where he continues to contribute to advancements in chemical processes. His work has been instrumental in developing technologies that are both effective and environmentally friendly.
Collaborations
Throughout his career, Haack has collaborated with esteemed colleagues, including Dong M Chay and James W Reeves. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
David J Haack's contributions to the field of chemical engineering through his patents reflect his commitment to innovation and problem-solving. His work at E.I. DuPont De Nemours and Company continues to influence the industry positively.