Company Filing History:
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1 out of 832,912 Years Active: 2006-2017
Title: Innovations and Contributions of Inventor Dov Shellef
Introduction
Dov Shellef, an innovative inventor based in Great Neck, NY, has made significant contributions to the field of nonflammable compositions and cleaning methods. With a total of five patents to his name, Shellef's work focuses on creating safer and more effective solvents and methods for various applications.
Latest Patents
Among his latest inventions, Shellef has developed a nonflammable solvent composition that includes approximately 70 wt. % or more of trans-1,2-dichloroethylene (t-DCE) along with 0.1 to 30 wt. % of hydrofluoroether (HFE) and n-propyl bromide. This composition is not only nonflammable but also includes methods for cleaning surfaces and coating substrates. The cleaning method involves applying the solvent to a surface and rubbing it to achieve cleanliness, while the coating method entails dissolving materials in the solvent composition, applying it to a substrate, and allowing it to evaporate.
In addition, Shellef has created novel azeotrope compositions made from a mixture of fluorocyclopentane and solvents like 1-bromopropane, t-dichloroethylene, and methylene chloride. These azeotropes are beneficial as solvents in applications such as refrigeration flushing, oxygen system cleaning, foam blowing, and cold cleaning processes.
Career Highlights
Throughout his career, Shellef has been associated with Poly Systems USA, Inc., where he further honed his skills as an inventor. His focus on nonflammable and effective solvent solutions marks a pivotal point in his professional journey and reflects his dedication to environmental safety and innovation.
Collaborations
In his inventive endeavors, Dov Shellef has collaborated with notable individuals, including Richard J. DeGroot and Ronald L. Shubkin. These collaborations highlight the cooperative nature of his work and the multifaceted approach to problem-solving within the realm of solvent applications.
Conclusion
Dov Shellef's contributions to the field of nonflammable solvent compositions and their applications exemplify his innovative spirit. With a firm foundation in practical and safe solutions, Shellef continues to advance the industry through his patented inventions, reinforcing the importance of safety and performance in chemical applications.