Company Filing History:
3 out of 1,151 
2 out of 5,071 
1 out of 832,812 Years Active: 1985-2009
Title: Innovations of Mark E Kertok
Introduction
Mark E Kertok is a notable inventor based in Bartlesville, OK (US). He has made significant contributions to the field of polymer chemistry, particularly in the development of ethylene polymers and copolymers. With a total of six patents to his name, Kertok's work has advanced the understanding and application of catalyst compositions in polymer production.
Latest Patents
Kertok's latest patents include innovations such as "Ethylene homopolymers or copolymers having good machine direction (MD) Elmendorf tear strength." This invention focuses on catalyst compositions that comprise a first metallocene compound, a second metallocene compound, at least one chemically-treated solid oxide, and at least one organoaluminum compound. The methods disclosed provide ethylene polymers and copolymers with lower melt index, increased melt strength, and good MD tear properties. Another significant patent is "Polymerization catalysts and process for producing bimodal polymers in a single reactor." This patent details catalyst compositions that include a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound. The methods outlined in this patent enable the production of ethylene polymers with specific properties, enhancing their utility in various applications.
Career Highlights
Throughout his career, Kertok has worked with prominent companies in the chemical industry, including Chevron Phillips Chemical Company and Phillips Petroleum Company. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and catalyst development.
Collaborations
Kertok has collaborated with notable colleagues such as Joel L Martin and Matthew G Thorn. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Mark E Kertok's contributions to polymer chemistry through his innovative patents have significantly impacted the industry. His work continues to influence the development of advanced materials and processes in the field.