Anthony Francis Johnson

Title: Anthony Francis Johnson: Innovator in Biodegradable Materials and Polyurethane Manufacturing

Introduction

Anthony Francis Johnson is a notable inventor based in Ilkley, GB. He has made significant contributions to the fields of biodegradable materials and polyurethane manufacturing. With a total of 2 patents, his work focuses on creating sustainable solutions for modern challenges.

Latest Patents

Johnson's latest patents include innovative technologies that address environmental concerns. One of his patents is for a biodegradable polymer recycling process. This process allows a biodegradable material to be recovered and recycled by dissolution in water at a temperature of 40°C or higher. The material remains insoluble in water at 25°C, making it practical for various applications. It incorporates virgin or scrap polyvinyl alcohol material, which is a byproduct of manufacturing articles composed of polyvinyl alcohol, or a waste stream containing polyvinyl alcohol material.

Another significant patent is for precision polyurethane manufacture. This process involves reacting a multifunctional isocyanate, a polyol, and optionally, a chain extender. At least two reagents selected from the isocyanate, the polyol, the chain extender, or any mixture thereof are intensively mixed before being reactively extruded. This method results in a polyurethane with a predetermined stoichiometry and thermal history, making it particularly suitable for the medical device industry due to its highly consistent composition.

Career Highlights

Throughout his career, Johnson has worked with several companies, including Aquapak Polymers Limited and Ranier Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in material science.

Collaborations

Johnson has collaborated with notable professionals in his field, including Stephen Sik Fan Wong and Geoffrey Thomas Andrews. These partnerships have further enhanced his work and expanded the impact of his inventions.

Conclusion

Anthony Francis Johnson is a distinguished inventor whose work in biodegradable materials and polyurethane manufacturing showcases his commitment to innovation and sustainability. His contributions are paving the way for more environmentally friendly solutions in various industries.