This inventor holds 3 USPTO granted patents. Top assignees: Dow Corning Corporation, Hemlock Semiconductor Corporation, Other. Active years: 1993-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kingston, NY (US) (1993)
- Bay City, MI (US) (1995)
Company Filing History:
1 out of 2,921 
1 out of 30 
1 out of 834,601 Years Active: 1993-1995
Title: The Innovative Contributions of Patrick J Harder
Introduction
Patrick J Harder is a notable inventor based in Bay City, MI (US). He has made significant contributions to the field of materials science, particularly in the development of processes related to silicon carbide and tetrachlorosilane. With a total of 3 patents, Harder has demonstrated a commitment to innovation and advancement in his field.
Latest Patents
One of Harder's latest patents is titled "Process for preparing silicon carbide powder from vaporized polysiloxanes." This patent discloses a method for forming silicon carbide powder by reacting and pyrolyzing vaporized polysiloxanes in a single heating step. The process is noted for its simplicity and cost-effectiveness, yielding powder with desirable characteristics. Another significant patent is "Process for hydrogenation of tetrachlorosilane." This patent describes an improved method for contacting hydrogen gas and tetrachlorosilane in a reactor. The improvement involves feeding a gas or gaseous mixture with a chlorine to silicon molar ratio greater than about 3.5 to an outer chamber, which reduces the concentration of hydrogen and tetrachlorosilane that can leak from the inner chamber.
Career Highlights
Throughout his career, Patrick J Harder has worked with prominent companies in the semiconductor industry, including Hemlock Semiconductor Corporation and Dow Corning Corporation. His experience in these organizations has contributed to his expertise and innovative capabilities in materials science.
Collaborations
Harder has collaborated with notable colleagues such as Richard A Burgie and David H Sawyer. These collaborations have likely enriched his work and contributed to the development of his patents.
Conclusion
Patrick J Harder is a distinguished inventor whose work in the field of materials science has led to significant advancements. His innovative patents and career achievements reflect his dedication to improving processes in the semiconductor industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile