Constance J Nelson

Title: Constance J Nelson: Innovator in Polydiorganosiloxane Copolymers

Introduction

Constance J Nelson is a prominent inventor based in Woodbury, MN (US). She has made significant contributions to the field of polymer chemistry, particularly in the development of polydiorganosiloxane copolymers. With a total of 4 patents to her name, her work has advanced the understanding and application of these materials in various industries.

Latest Patents

Among her latest patents is the invention of polydiorganosiloxane oligourea segmented copolymers and a process for making them. This invention provides copolymers that contain soft polydiorganosiloxane units and hard segments made from diisocyanate residues. These components are connected by urea linkages, and the copolymers feature terminal groups that can be non-reactive or reactive under specific conditions. Additionally, she has developed polydiorganosiloxane polyurea segmented copolymers, which are melt-processable compositions that consist of alternating soft and hard units connected by urea linkages.

Career Highlights

Constance J Nelson is associated with 3M Innovative Properties Company, where she has been instrumental in driving innovation in polymer technology. Her expertise in the field has led to the successful development of new materials that have practical applications in various sectors.

Collaborations

Throughout her career, Constance has collaborated with notable colleagues, including Audrey A Sherman and Walter R Romanko. These collaborations have fostered a creative environment that has contributed to her innovative work.

Conclusion

Constance J Nelson's contributions to the field of polymer chemistry, particularly through her patents on polydiorganosiloxane copolymers, highlight her role as a leading inventor. Her work continues to influence advancements in material science and engineering.