David A Pears

Title: David A Pears: Innovator in Polyurethane Polymer Production

Introduction

David A Pears is a notable inventor based in Grindlaan, Netherlands. He has made significant contributions to the field of polymer chemistry, particularly in the production of polyurethane polymers. His innovative work has led to the development of a unique patent that addresses the synthesis of these materials.

Latest Patents

David A Pears holds a patent for the "Production of polyurethane polymers." This patent describes a method for preparing a polyurethane polymer that has desired chain-pendant or in-chain groups. The process involves converting terminal isocyanate groups of an isocyanate-terminated polyurethane prepolymer to groups that provide carbon- or nitrogen-bound --NH₂ and/or --NH-- groups. Additionally, the modified prepolymer formed is chain-extended with a compound that has at least two enolic carbonyl groups and at least one group that becomes chain-pendant or in-chain in the final polymer. He has 1 patent to his name.

Career Highlights

Throughout his career, David has worked with prominent companies in the chemical industry. Notably, he has been associated with Imperial Chemical Industries Limited and ICI Resins B.V. His experience in these organizations has contributed to his expertise in polymer production and innovation.

Collaborations

David A Pears has collaborated with various professionals in his field. One of his notable coworkers is Martinus P Heuts, with whom he has likely shared insights and advancements in polymer chemistry.

Conclusion

David A Pears is a distinguished inventor whose work in polyurethane polymer production has made a lasting impact in the field. His innovative patent and career achievements highlight his contributions to polymer science.