Location History:
- Whitehall, PA (US) (1989 - 1990)
- Walnutport, PA (US) (1990 - 1992)
Company Filing History:
Years Active: 1989-1992
Title: Joseph A Sohara: Innovator in Nitrate Ester and Emulsion Explosives
Introduction
Joseph A Sohara is a notable inventor based in Walnutport, PA (US). He has made significant contributions to the field of chemical engineering, particularly in the development of nitrate esters and emulsion explosives. With a total of 7 patents to his name, Sohara's work has had a lasting impact on the industry.
Latest Patents
One of his latest patents involves a method for nitrate ester preparation. This innovative process allows for the production of high yields of water or acid-soluble nitrate esters without the use of organic solvents. The method utilizes the nitration of an organic hydroxy-containing compound with a suitable nitrating agent, such as nitric acid, in a solvent-free environment. The resulting nitrate esters can be easily recovered and purified, achieving average yields ranging from about 80% to about 95%.
Another significant patent focuses on emulsion explosives containing nitrostarch. These compositions consist of a discontinuous aqueous oxidizer salt phase and a continuous carbonaceous fuel phase, incorporating between 5% to 50% nitrostarch. This formulation exhibits increased resistance to precompression while maintaining high detonation velocities, showcasing Sohara's expertise in explosive materials.
Career Highlights
Throughout his career, Joseph A Sohara has worked with prominent companies such as Atlas Powder Company and The Lubrizol Corporation. His experience in these organizations has contributed to his extensive knowledge and expertise in the field of explosives and chemical processes.
Collaborations
Sohara has collaborated with notable colleagues, including John J Mullay and John W Forsberg. These partnerships have further enriched his work and innovations in the industry.
Conclusion
Joseph A Sohara's contributions to the field of nitrate esters and emulsion explosives demonstrate his innovative spirit and dedication to advancing chemical engineering. His patents reflect a commitment to improving safety and efficiency in explosive materials, making him a significant figure in his field.