Location History:
- North Wales, PA (US) (1983)
- Collegeville, PA (US) (1988)
- Harleysville, PA (US) (1987 - 2020)
Company Filing History:
5 out of 3,395 
3 out of 3 
1 out of 832,880 Years Active: 1983-2020
Title: The Innovative Journey of Yen-Yau H Chao
Introduction
Yen-Yau H Chao, based in Harleysville, PA, is a prolific inventor with a total of nine patents to his name. His innovations primarily focus on the development of advanced aqueous foam technologies that possess significant applications in various industries.
Latest Patents
Two of his latest patents highlight his expertise in foam technology. The first, titled "Aqueous Foam Carrier and Method of Making the Same," describes a stable aqueous foam carrier that comprises a foam agent, a foam stabilizer, and uniformly dispersed additives such as fibers. Notably, this carrier is free from gypsum, cement, concrete, fine pozzolanic additives, and aggregates. The second patent, "Fiber Containing Aqueous Foam Composite, the Process and Use," outlines the creation of foamed fiber compositions. This innovation includes a hydraulic mixture that consists of a polymer and other constituents such as gypsum and cement, with a foam that contains a specified percentage of fibers by weight. These compositions are suited for applications in roof tiles, underlayments, backerboards, cement composites, foam fills, and bricks.
Career Highlights
Yen-Yau H Chao has made significant contributions to the industry through his work at notable companies. He has been associated with Rohm and Haas Company, where he engaged in groundbreaking research and development. Additionally, he worked at Allied Foam Tech Corporation, further enhancing his expertise in foam technologies and their applications in construction and manufacturing.
Collaborations
Throughout his career, Chao has collaborated with remarkable individuals, including Gary Robert Larson and Linus W. Linder. Their joint efforts have been instrumental in advancing innovations in the field, allowing for the development of novel approaches and solutions in foam technology.
Conclusion
Yen-Yau H Chao's innovative spirit and dedication to research have led to significant advancements in aqueous foam technology. With a total of nine patents, his contributions continue to impact various industries, showcasing the importance of innovation in solving complex problems.