This inventor holds 4 USPTO granted patents, plus 2 CIPO patents and 1 EPO patent. Top assignees: E.i. Dupont De Nemours and Company, Invista North America S.a.r.l.. Active years: 2003-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
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2 out of 395 
Years Active: 2003-2010
Title: Portia D. Yarborough: Innovator of Advanced Polyureaurethanes
Introduction
Portia D. Yarborough, hailing from Midlothian, Virginia, is a pioneering inventor recognized for her innovative contributions in the field of polymer science. With a total of four patents to her name, she has dedicated her career to developing advanced materials that improve safety and performance in various applications.
Latest Patents
Among her notable inventions are two significant patents focusing on articles comprising aqueous dispersions of polyureaurethanes. The first patent details the creation of stable aqueous poly(urea/urethane) polymers and dispersions that do not require chain extenders, curing agents, or crosslinking agents. These unique dispersions are designed to manufacture films and gloves that minimize the risk of chemical and biological allergic reactions while boasting enhanced puncture and tear resistance compared to conventional materials. The second patent emphasizes the use of polyurethane particles dispersed in water, enabling production of commercial articles with similar safety features and improved resilience.
Career Highlights
Portia has had an impressive career, contributing her expertise to reputable companies such as E.I. DuPont de Nemours and Company and Invista North America S.a.r.l. Through her work in these organizations, she has played an essential role in advancing material science and innovation.
Collaborations
Throughout her career, Portia has collaborated with esteemed colleagues, including Young H. Kim and Michael O'Neill. These partnerships have facilitated knowledge exchange and propelled innovative approaches within the polymer research community.
Conclusion
Portia D. Yarborough stands as a key figure in the invention of advanced polyureaurethanes, showcasing how innovative thinking can lead to safer and more resilient products. Her work not only furthers the scientific community's understanding of material properties but also addresses critical health and safety concerns in everyday applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile