This inventor holds 2 USPTO granted patents. Top assignees: Aristech Chemical Corporation, Standard Oil Company (Indiana). Active years: 1977-1994.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 104 
1 out of 1,055 Years Active: 1977-1994
Title: Harold R Edwards, Jr: Innovator in Hybrid Resin Foam Compositions
Introduction
Harold R Edwards, Jr. is a notable inventor based in Geneva, IL (US), recognized for his contributions to the field of polymer chemistry. He holds 2 patents that showcase his innovative approach to developing advanced materials.
Latest Patents
One of his latest patents involves unsaturated polyester-polyurethane hybrid resin foam compositions. This invention focuses on water-blown, thermosetting unsaturated polyester-polyurethane hybrid foam compositions formed by the reaction of an A side composition and a B side composition. The A side composition includes a polyfunctional isocyanate compound and a free radical initiator. The B side composition consists of a mixture that includes an ethylenically unsaturated monomer solution, an amine compound, and a specific amount of water. The resulting composition achieves a precise ratio of active NCO groups to active NH groups, ensuring optimal performance characteristics.
Another significant patent by Edwards is related to additives for improved polyester and vinyl polymer compositions. This reactive additive enhances flexibility and toughness in polyester and vinyl aromatic polymeric compositions. It is created through the reaction of a polyfunctional acid or anhydride, a glycol, an unsaturated acid, and a mono alcohol.
Career Highlights
Throughout his career, Harold R Edwards, Jr. has worked with prominent companies such as Aristech Chemical Corporation and Standard Oil Company (Indiana). His experience in these organizations has contributed to his expertise in polymer chemistry and innovation.
Collaborations
Edwards has collaborated with notable colleagues, including Gary T Brooks and Kathy J Thrash, further enriching his professional journey and contributions to the field.
Conclusion
Harold R Edwards, Jr. stands out as an influential inventor in the realm of hybrid resin foam compositions and polymer additives. His patents reflect a commitment to advancing material science and enhancing product performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile