This inventor holds 4 USPTO granted patents. Top assignee: The Dow Chemical Company. Active years: 1980-1992.
Company Filing History:
Years Active: 1980-1992
Title: The Innovative Contributions of Donald C. Rulf
Introduction
Donald C. Rulf is a notable inventor based in Midland, MI (US). He has made significant contributions to the field of polymer science, particularly in the measurement of permeation rates of organic molecules. With a total of 4 patents to his name, Rulf's work has advanced the understanding of material interactions in various applications.
Latest Patents
One of Rulf's latest patents is a permeation measurement device. This innovative system is designed to measure the permeation rate of organic molecules across a polymer film. It includes a membrane chamber, an electron impact mass spectrometer, and a flow-through hollow fiber probe. This setup provides an interface between the membrane chamber and the mass spectrometer. The membrane chamber supports the polymer film sample to be tested and allows one side of the sample to be exposed to a vapor containing a known concentration of organic molecules. This occurs under substantially atmospheric pressure and controlled environmental conditions on both the upstream and downstream sides of the sample. The unique design features a permeation cell and sample holder arrangement that employs a pair of adhesive-backed cards to sandwich the sample, ensuring a permanent and desirable alignment.
Career Highlights
Donald C. Rulf is currently associated with The Dow Chemical Company, where he continues to innovate and contribute to the field. His work has been instrumental in developing technologies that enhance the understanding of polymer behavior in various environments.
Collaborations
Rulf has collaborated with notable coworkers such as James C. Tou and Edwin R. North. Their combined expertise has fostered advancements in their respective fields and contributed to the success of their projects.
Conclusion
Donald C. Rulf's contributions to the field of polymer science through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the industry and pave the way for future advancements.