This inventor holds 31 USPTO granted patents, plus 2 CIPO patents and 7 EPO patents. Top assignees: Glitsch, Inc., Gtc Technology US LLC, Sulzer Management Ag. Active years: 1994-2025.
Location History:
- Dallas, TX (US) (1994 - 1996)
- Houston, TX (US) (1996 - 2024)
Company Filing History:
10 out of 46 
8 out of 41 
6 out of 182 
Years Active: 1994-2025
Areas of Expertise:
Title: Joseph C. Gentry: Innovator in Styrene Purification
Introduction: Joseph C. Gentry, based in Houston, TX, is a prolific inventor with a remarkable portfolio of 29 patents. His contributions to the field of chemical engineering, particularly in the purification of styrene compositions, have advanced industrial processes, enabling more efficient production methods.
Latest Patents: Among Gentry's notable inventions are two closely related patents that focus on the process and apparatus for preparing purified styrene compositions from styrene-containing feedstock. The first patent details a method that achieves a styrene yield of at least 80% by providing a crude composition containing styrene and subjecting it to at least one crystallization step, which includes both static and dynamic crystallization stages. The second patent further elucidates a similar method, emphasizing the importance of treating crude compositions containing 70% by weight or more styrene, thus highlighting his innovative approach to tackling impurities such as color-inducing species, oxygenates, sulfur species, and alpha-methylstyrene.
Career Highlights: Joseph C. Gentry has made significant strides in the industry through his work at various companies. He has held positions at companies such as Glitsch, Inc. and GTC Technology US LLC, where he utilized his expertise in chemical engineering to develop innovative processes. His career is marked by a dedication to enhancing the efficiency of chemical production.
Collaborations: Throughout his career, Gentry has collaborated with esteemed colleagues, including Fu-Ming Lee and Ronald G. Gualy. These collaborations have fostered the exchange of ideas and positioned him at the forefront of research and innovation in styrene purification.
Conclusion: Joseph C. Gentry’s contributions to the chemical industry are substantial, particularly in the realm of styrene production. His innovative patents reflect a deep understanding of industrial processes and a commitment to advancing technology in chemical engineering. As he continues to work in this field, Gentry’s legacy will undoubtedly inspire future generations of inventors and engineers.