Company Filing History:
2 out of 822 
1 out of 1 
1 out of 450 
Years Active: 1995-2019
Title: **Inventor Spotlight: Patrick M Wiegand**
Introduction
Patrick M Wiegand, a distinguished inventor based in South Charleston, WV, has made significant contributions to the field of chemical manufacturing, particularly in the production and purification of (meth)acrylic acids. With a total of four patents to his name, Wiegand's work exemplifies innovation and technical prowess.
Latest Patents
Wiegand's latest patents focus on the improved processes for the manufacturing and purification of technical grade (meth)acrylic acid. One of his notable inventions involves the control of a process for the purification of (meth)acrylic acid using on-line, near infrared (IR) analysis. This advanced method enhances the production by utilizing a hydrated reaction product derived from the gas-phase oxidation of precursors such as propylene. The process entails a first step of dehydration followed by concentration, with pivotal improvements in controlling the water, acetic acid, and (meth)acrylic acid content during purification through on-line, near IR spectroscopy.
Career Highlights
Throughout his career, Patrick Wiegand has worked with renowned organizations such as Union Carbide Chemicals & Plastics Technology Corporation and Arkema Inc. His extensive experience in the industry has provided a solid foundation for his innovative approaches to chemical processing.
Collaborations
Wiegand's journey in the field has been further enriched through collaborations with skilled professionals. Notable coworkers include John F Fisher and Elizabeth S Ballard, with whom he has shared insights and methods to drive advancements in their collective work.
Conclusion
In summary, Patrick M Wiegand stands out as a significant figure in the realm of chemical innovation. His dedication to improving processes for (meth)acrylic acid production through his patents highlights his commitment to advancing technology in the industry. His contributions continue to impact the field, ensuring that his work will be recognized for years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.