This inventor holds 1 USPTO granted patent. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1995.
Company Filing History:
Years Active: 1995
Title: The Innovations of Sarah E. Ochsenhirt
Introduction
Sarah E. Ochsenhirt is a notable inventor based in Cincinnati, OH (US). She has made significant contributions to the field of polymer chemistry, particularly in the development of polyether glycols. Her innovative work has led to the granting of a patent that addresses the molecular weight distribution of these compounds.
Latest Patents
Ochsenhirt holds a patent for a process that reduces the molecular weight polydispersity of polyether glycols. This patent specifically focuses on poly(tetramethylene ether) glycols, which are produced through a method that involves separating low molecular weight fractions using an ultrafiltration module. The process operates at temperatures ranging from 30°C to 150°C and pressures between 25 and 1500 psi. The resulting PTMEG retentate is characterized by a water content of less than 25 ppm and a low concentration of oligomeric cyclic ethers. This innovation is crucial for enhancing the quality and performance of polyether glycols in various applications.
Career Highlights
Sarah E. Ochsenhirt is currently employed at E.I. DuPont de Nemours and Company, where she continues to advance her research in polymer science. Her work has not only contributed to her company's portfolio but has also positioned her as a leader in her field. With a focus on improving the properties of polyether glycols, she has made strides that benefit both industrial applications and scientific understanding.
Collaborations
Ochsenhirt has collaborated with esteemed colleagues such as Suriyanarayanan Dorai and William W. Goudie. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas within the realm of polymer research.
Conclusion
In summary, Sarah E. Ochsenhirt is a pioneering inventor whose work in polymer chemistry has led to significant advancements in the production of polyether glycols. Her contributions are recognized through her patent and her role at E.I. DuPont de Nemours and Company. Her innovative spirit continues to inspire future developments in the field.