Company Filing History:
4 out of 2,056 
2 out of 2,080 
Years Active: 2006-2018
Title: Jeng-Li Liang: Innovator in Damping Compositions and Metal Treatment
Introduction
Jeng-Li Liang is a notable inventor based in Auburn Hills, MI (US). She has made significant contributions to the field of material science, particularly in the development of innovative damping compositions and processes for treating metal surfaces. With a total of 6 patents to her name, Liang's work has had a considerable impact on various industries.
Latest Patents
One of her latest patents is for a liquid rubber damping composition. This invention features sprayable low-viscosity compositions that exhibit improved acoustic damping properties. The enhancement is achieved through the addition of a sterically hindered phenol, which is present in an amount ranging from 9% to 18% by weight of the composition. In other embodiments, the sterically hindered phenol has a melting point between 60°C and 250°C and a molecular weight of 300 g/mol or less.
Another significant patent by Liang is a process for treating metal surfaces. This process improves the corrosion resistance of a metal substrate surface treated with an acidic aqueous composition to form a conversion coating. The method involves first contacting the surface with an oxidizing acidic pre-rinse, which can include an aqueous solution of nitric acid and hydrogen peroxide, or nitric acid and hydrofluoric acid, among other combinations.
Career Highlights
Throughout her career, Jeng-Li Liang has worked with prominent companies such as Henkel AG & Company and Henkel Kommanditgesellschaft Auf Aktien. Her experience in these organizations has allowed her to refine her expertise in material science and innovation.
Collaborations
Liang has collaborated with notable colleagues, including William E. Fristad and Gregory A. Ferguson. These partnerships have contributed to her success and the advancement of her inventions.
Conclusion
Jeng-Li Liang is a distinguished inventor whose work in damping compositions and metal treatment processes has made a lasting impact on the industry. Her innovative spirit and dedication to research continue to inspire future advancements in material science.