Company Filing History:
12 out of 7,034 
1 out of 2,660 
Years Active: 1976-1982
Title: The Innovations of John P. Lawrence
Introduction
John P. Lawrence is a notable inventor based in Stow, Ohio, with a remarkable portfolio of 13 patents. His work primarily focuses on advancements in polyurethane technology, showcasing his expertise in the field of materials science.
Latest Patents
Among his latest patents, Lawrence has developed a polyurethane prepared from diamine and prepolymer. This innovative polyurethane is created by reacting specifically identified substituted aromatic diamines with isocyanate-terminated prepolymer. The prepolymer itself is synthesized by reacting polyisocyanate with polymeric polyol. The selection of diamines is crucial, as they must be chosen from specified substituted butylbenzoates, benzonitriles, or benzoates. This diamine curative is designed to enhance the processing of the prepolymer/diamine mixture for commercial applications. Another significant invention relates to substituted aromatic diamines and the polyurethanes cured by them. The diamines in this patent are selected from 3,5-diamino-4-tert-alkylbenzoates, 3,5-diamino-4-tert-alkylbenzonitriles, and alkylene bis(3-amino-4-tert-alkylbenzoate).
Career Highlights
Lawrence has made significant contributions to the industry through his work at prominent organizations. He has been associated with The Goodyear Tire & Rubber Company, where he applied his innovative ideas to enhance product development. Additionally, he has worked with the Purdue Research Foundation, furthering his research and development efforts in materials science.
Collaborations
Throughout his career, Lawrence has collaborated with notable individuals in the field, including Daniel A. Chung and Henry Feuer. These collaborations have likely contributed to the advancement of his inventions and the successful execution of his projects.
Conclusion
John P. Lawrence's contributions to the field of polyurethane technology and his extensive patent portfolio highlight his innovative spirit and dedication to advancing materials science. His work continues to influence the industry and inspire future innovations.