This inventor holds 3 USPTO granted patents. Top assignees: The United States of America as Represented by the United States, University of California. Active years: 1988-1997.
Company Filing History:
2 out of 3,975 
1 out of 15,988 
Years Active: 1988-1997
Title: The Innovative Contributions of Robert W. Hopper
Introduction
Robert W. Hopper is a notable inventor based in Danville, CA (US), recognized for his significant contributions to the field of materials science. He holds a total of 3 patents, showcasing his innovative approach to developing advanced materials.
Latest Patents
One of Hopper's latest patents is a method for rapidly producing microporous and mesoporous materials. This improved process allows for the creation of materials such as aerogels and pre-ceramics by confining a gel or gel precursor in a sealed vessel. This confinement prevents structural expansion during the heating process, greatly accelerating gelation and drying. As a result, the time required to produce a dried aerogel is significantly reduced compared to conventional methods. The drying process can be performed using either subcritical or supercritical drying techniques, with higher rates of heating and decompression than traditional methods.
Another notable patent involves the development of low-density microcellular carbon and catalytically impregnated carbon. This invention provides a machinable and structurally stable foam, created through a process that includes classifying pulverized sodium chloride for improved particle size uniformity. The particles are cold pressed into a compact, sintered, and then immersed in a phenolic polymer solution to fill the internal pores. After pyrolysis, the sodium chloride is leached away, resulting in a freeze-dried carbon foam.
Career Highlights
Throughout his career, Robert W. Hopper has worked with esteemed organizations, including the United States of America as represented by the United States and the University of California. His work has significantly impacted the field of materials science, particularly in the development of advanced carbon materials.
Collaborations
Hopper has collaborated with notable individuals in his field, including Richard W. Pekala and Lawrence W. Hrubesh. Their joint efforts have contributed to the advancement of innovative materials and processes.
Conclusion
Robert W. Hopper's innovative work in materials science has led to the development of groundbreaking technologies that enhance the production of advanced materials. His contributions continue to influence the field and inspire future innovations.