Company Filing History:
Years Active: 2007-2010
Title: Helene Rossignol: Innovator in Poly-HEMA Compositions
Introduction
Helene Rossignol is a notable inventor based in Copenhagen, Denmark. She has made significant contributions to the field of polymer chemistry, particularly in the development of low polydispersity poly-HEMA compositions. Her work has implications for various applications, including hydrogels and crosslinkable prepolymers.
Latest Patents
Helene Rossignol holds a patent for her invention titled "Low polydispersity poly-HEMA compositions." This patent describes compositions comprising poly-HEMA with a peak molecular weight between about 25,000 and about 100,000, preferably between 25,000 and 80,000, and a polydispersity of less than about 2 to less than about 3.8. The invention also includes at least one cross-linkable functional group covalently bonded to the poly-HEMA. Furthermore, it details processes for functionalizing and purifying poly-HEMA to create crosslinkable prepolymers, as well as the production of viscous solutions and hydrogels from these prepolymers.
Career Highlights
Helene Rossignol is currently employed at Johnson and Johnson Vision Care, Inc., where she continues to innovate in the field of polymer science. Her expertise in poly-HEMA compositions has positioned her as a key contributor to advancements in vision care technologies.
Collaborations
One of her notable collaborators is Ture Kindt-Larsen, with whom she has worked closely on various projects related to her patent.
Conclusion
Helene Rossignol's contributions to the field of polymer chemistry, particularly through her patent on low polydispersity poly-HEMA compositions, highlight her innovative spirit and dedication to advancing technology in vision care. Her work continues to influence the development of new materials and applications.