This inventor holds 50 USPTO granted patents and 6 published patent applications, plus 13 CIPO patents and 21 EPO patents, primarily in Gypsum Products. Top assignees: United States Gypsum Company, Beloit Technologies, Inc., Knauf Gips Kg. Active years: 1997-2026.
Location History:
- Napierville, IL (US) (1998)
- Redwood City, CA (US) (2006 - 2009)
- Naperville, IL (US) (1997 - 2023)
Company Filing History:
37 out of 725 
9 out of 258 
2 out of 93 
Years Active: 1997-2026
Areas of Expertise:
Title: Inventor Spotlight: Alfred C Li - Revolutionizing Building Materials in Naperville, IL
Introduction:
Alfred C Li, a prolific inventor based in Naperville, IL, has been making waves in the field of building materials with a remarkable portfolio of 44 patents. His innovative approach to gypsum board and cementitious slurries has transformed the construction industry, showcasing his ingenuity and dedication to advancing technology in this sector.
Latest Patents:
Among his latest patents is the groundbreaking "Multi-layer gypsum board and related methods and slurries." This invention introduces a composite gypsum board that features a unique board core and a concentrated layer, both made from water and stucco. The concentrated layer, designed for enhanced density and nail pull strength, incorporates a polysaccharide like sodium alginate to form a complex with calcium ions. Additionally, Li's "Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries" revolutionizes the blending process by introducing a foam modifier comprising fatty alcohol to stabilize foam and improve product quality.
Career Highlights:
Li has contributed significantly to renowned companies such as United States Gypsum Company and Beloit Technologies, Inc., where his expertise in materials science and innovative mindset have led to groundbreaking developments in construction materials. His strategic vision and technical knowledge have positioned him as a leader in the field, driving advancements in building material technologies.
Collaborations:
Throughout his career, Li has collaborated with esteemed professionals such as Weixin David Song and James Wittbold, leveraging their collective expertise to push the boundaries of innovation in building materials. These collaborations have exemplified Li's ability to work synergistically with industry peers to achieve shared goals and propel technological advancements in the construction sector.
Conclusion:
Alfred C Li's groundbreaking inventions in gypsum board and cementitious slurries underscore his commitment to pushing the boundaries of innovation in the construction industry. Through his strategic collaborations and illustrious career at leading companies, Li continues to drive transformative change, setting new standards for high-performance building materials. His pioneering spirit and relentless pursuit of excellence establish him as a trailblazer in the field of construction technology.