John A Sperry

Title: Innovations of John A Sperry

Introduction

John A Sperry is a notable inventor based in Abingdon, GB. He has made significant contributions to the field of photopolymer technology, holding a total of 3 patents. His work has advanced the development of materials used in screen printing and other applications.

Latest Patents

Sperry's latest patents include innovative compositions that enhance the functionality of screen printing stencils and resists. One of his notable inventions is a water-processable screen printing stencil based on photopolymerizable systems. This invention utilizes a modified polyvinyl alcohol with pendant dialkylamino groups as a hydrogen donor compound. Another significant patent involves photopolymers that are derivatives of polyvinyl alcohol. These materials are created by reacting compounds with formyl or acetal groups with aromatic or heterocyclic compounds carrying acetyl groups, resulting in photosensitive products that are useful in various applications.

Career Highlights

John A Sperry is currently associated with Autotype International Limited, where he continues to innovate in the field of photopolymer technology. His work has been instrumental in developing new materials that improve the efficiency and effectiveness of screen printing processes.

Collaborations

Throughout his career, Sperry has collaborated with notable colleagues, including Peter M Day and John William Jones. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

John A Sperry's contributions to photopolymer technology and his innovative patents have made a significant impact in the field. His work continues to influence the development of new materials and processes in screen printing and beyond.