Company Filing History:
14 out of 937 
2 out of 1,770 
Years Active: 1981-1993
Title: Innovations by Samuel Natansohn
Introduction
Samuel Natansohn is a notable inventor based in Sharon, MA (US). He holds a total of 15 patents that reflect his significant contributions to the field of waste treatment and metal purification. His innovative approaches have paved the way for advancements in environmental technology.
Latest Patents
One of Natansohn's latest patents focuses on the treatment of industrial wastes. This process involves digesting waste material with a mixture of sulfuric acid and hydrogen peroxide to create an acidic digestion solution and a digestion residue. The digestion residue, which contains a major portion of tungsten and other refractory metals, is reacted with NaOH to solubilize tungsten values into a liquid concentrate. This concentrate is then separated from the insoluble solid containing other refractory metals such as tantalum and niobium. The digestion solution is treated with a base to selectively recover iron as a solid iron hydroxide precipitate. Further treatment allows for the recovery of other metals, including scandium and chromium, while managing manganese recovery effectively.
Another significant patent involves an ion exchange method for the purification of scandium. This process purifies scandium from an acid solution containing various impurities by utilizing a chelating resin and a series of ion exchange columns. The collected scandium is then precipitated as scandium oxide through a series of chemical reactions, showcasing Natansohn's expertise in metal recovery and purification.
Career Highlights
Throughout his career, Samuel Natansohn has worked with prominent companies such as GTE Laboratories Incorporated and GTE Products Corporation. His experience in these organizations has contributed to his development as an inventor and innovator in the field of waste treatment and metal purification.
Collaborations
Natansohn has collaborated with notable colleagues, including William J. Rourke and Wen-Chao Lai. These partnerships have likely enhanced his research and development efforts, leading to successful innovations.
Conclusion
Samuel Natansohn's contributions to the fields of waste treatment and metal purification are significant. His innovative patents and career achievements reflect his dedication to advancing technology for environmental sustainability.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.