Company Filing History:
Years Active: 1995-1999
Title: Innovator Spotlight: Renee C. Graef
Introduction
Renee C. Graef is an accomplished inventor based in San Antonio, Texas. With a total of five patents to her name, she is recognized for her significant contributions to the fields of materials science and engineering. Her innovative work has advanced the development and repair of specialized materials, particularly in the realm of silicon nitride and carbon composites.
Latest Patents
Among her latest patents, two remarkable innovations stand out:
1. **Method for Preparing Silicon Nitride and Silicon Nitride Composites**: This patent outlines a process for producing silicon nitride ceramics and silicon nitride ceramic composites. The methodology involves creating a mixture comprising a polysilazane and an additive that enhances coupling between the mixture and electromagnetic energy. This mixture is converted into a preceramic intermediate, which is subsequently treated with electromagnetic energy, resulting in silicon nitride ceramics or composites.
2. **Method for Repair of Coatings on Carbon-Carbon Composites**: This patent presents a method for addressing damage to oxidation-resistant layers on carbon-carbon composites. Utilizing a composition primarily comprised of a polymeric thermosetting polysilazane and ceramic powder, the damaged areas are repaired by applying the mixture, curing it, and firing it to restore the integrity of the material.
Career Highlights
Renee C. Graef is employed at the Southwest Research Institute, a research and development organization that focuses on applied science and technology. Her work at the institute allows her to push the boundaries of material innovations, resulting in impactful patents that benefit various industries.
Collaborations
Throughout her career, Renee has collaborated with esteemed colleagues such as Stuart T. Schwab and David G. Paquette. Their teamwork has contributed to the successful development and patenting of advanced materials, reflecting their shared commitment to innovation in their field.
Conclusion
Renee C. Graef exemplifies the spirit of innovation with her pioneering work in silicon nitride and carbon composites. With five patents to her credit, her contributions continue to shape advancements in materials science. Her dedication to research and collaboration highlights the importance of teamwork in achieving transformative scientific breakthroughs.