Company Filing History:
15 out of 3,268 
11 out of 518 
1 out of 2,760 
Years Active: 2004-2023
Title: **Porter Clarke Shannon: Innovator in Polyethylene Copolymers and Thermoplastic Vulcanizates**
Introduction
Porter Clarke Shannon, based in Seabrook, Texas, is a prolific inventor with a remarkable portfolio comprising 26 patents. His contributions to the fields of polymer chemistry and materials science have led to advancements in products essential for diverse applications. Through his innovative work, Shannon has developed materials that enhance the functionality and performance of polymers.
Latest Patents
Shannon's recent patents highlight his expertise in developing gas phase polyethylene copolymers and thermoplastic vulcanizates (TPVs). One of his notable patents describes polyethylene copolymers designed to offer improved film properties. These copolymers possess a density ranging from about 0.905 to about 0.911 g/cm and a specific DRI/I2 ratio, making them suitable for high-performance film applications. The copolymers can be created by polymerizing ethylene with olefin comonomers at controlled temperatures and pressures. Their application includes films exhibiting an optimal oxygen transmission rate and excellent hot tack sealing properties, which are vital for packaging solutions.
In addition, Shannon has developed innovative TPV compositions for foaming applications. These compositions, containing at least partially vulcanized rubber and thermoplastic components, are designed to be particularly effective when combined with thermo-expandable microsphere foaming agents. The methods and materials detailed in these patents have significant implications for various industries, driving advancements in product performance and efficiency.
Career Highlights
Throughout his career, Porter Clarke Shannon has worked with renowned companies such as ExxonMobil Chemical Patents Inc. and Univation Technologies, LLC. His tenure at these organizations allowed him to refine his skills in polymer technology and to collaborate on pivotal research and development projects. Shannon's body of work demonstrates his commitment to advancing materials science and enhancing industrial applications.
Collaborations
In his career, Shannon has had the opportunity to work alongside notable colleagues, including Fred David Ehrman and Pradeep P Shirodkar. Collaborations with such skilled professionals highlight the collaborative spirit of innovation in the field of polymer research and development. Together, they have contributed to the evolution of materials that push the boundaries of performance.
Conclusion
Porter Clarke Shannon's extensive patent portfolio and his innovative spirit exemplify the impact of dedicated research and development in the field of polymer chemistry. His contributions to the creation of advanced polyethylene copolymers and thermoplastic vulcanizates underscore the importance of innovation in enhancing product functionalities. As industries continue to evolve, Shannon's work will undoubtedly play a critical role in shaping the future of material science.
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.