Company Filing History:
3 out of 2,347 
1 out of 8 
1 out of 1 
Years Active: 1999-2021
Title: Innovations by Waltraud M Kriven
Introduction
Waltraud M Kriven is a notable inventor based in Champaign, IL (US). She has made significant contributions to the field of materials science, particularly in the development of innovative binders and geopolymers. With a total of six patents to her name, her work has implications for construction and material engineering.
Latest Patents
One of her latest patents is titled "Flowable slag-fly ash binders for construction or repair." This invention describes a method of using a flowable binder that includes an alkali metal silicate, fly ash, slag, and added water. The total water-to-solids mass ratio of the binder mixture ranges from about 0.2 to 0.5. The binder mixture is combined with inert particles to create a flowable mortar, which is then distributed over coarse aggregate. Upon curing, a composite with reinforcement material embedded in a cured binder is formed. Another significant patent is for "Porous geopolymers." This invention involves preparing porous aluminosilicate geopolymers with a specific molar ratio of silicon dioxide to aluminum oxide. The process includes mixing an aluminosilicate powder in an alkaline silicate solution, sealing it in a container, and curing it under controlled conditions to achieve desired density and compressive strength.
Career Highlights
Waltraud M Kriven has had a distinguished career, primarily associated with the University of Illinois. Her research and innovations have contributed to advancements in construction materials and geopolymers, showcasing her expertise in the field.
Collaborations
Throughout her career, she has collaborated with notable colleagues, including Sang-Jin Lee and Mehmet Ali Gülgün. These collaborations have further enriched her research and development efforts.
Conclusion
Waltraud M Kriven's contributions to materials science through her innovative patents have made a significant impact in the field. Her work continues to influence construction and material engineering practices.