Location History:
- Newton, MA (US) (2005 - 2012)
- Waban, MA (US) (2017 - 2022)
Company Filing History:
4 out of 1,391 
1 out of 42 
1 out of 29 
Years Active: 2005-2022
Title: The Innovative Contributions of Byong-wa Chun
Introduction
Byong-wa Chun, an accomplished inventor based in Newton, MA, has made significant strides in the field of construction materials with his innovative patents. With a total of four patents to his name, Chun is recognized for his contributions that enhance the performance and sustainability of cementitious products.
Latest Patents
Chun's recent patents reflect his focus on improving masonry cement. His first highlighted invention is a cement additive for stucco applications. This innovative additive composition modifies the rheology of an uncured masonry cement using a combination of extra-cellular biopolymers and surfactants. This invention ensures superior workability, particularly with coarse sands, by incorporating these components during the clinker grinding process in cement manufacture.
Another significant patent in his portfolio is the sulfate dispersion chromate reducer. This invention introduces a chromium VI reducing composition containing solid particles, such as iron (II) sulfate and tin sulfate, evenly dispersed within a liquid carrier. This method of modifying hydratable cementitious materials offers significant advantages over traditional dry powder or dissolved sulfate compositions, marking a substantial advancement in cement manufacturing.
Career Highlights
Byong-wa Chun’s contributions are closely associated with his role at W.R. Grace & Co.-Conn., where he has been instrumental in developing innovative solutions for construction materials. His expertise in cement technology translates into practical applications that are both effective and sustainable.
Collaborations
Chun has worked alongside talented colleagues, including Benita Dair and Charlotte Porteneuve. These collaborations exemplify the synergy of ideas and expertise that fuel innovation in their projects, ultimately leading to the creation of impactful technologies in the industry.
Conclusion
The work of Byong-wa Chun represents a commitment to excellence in the realm of construction materials. His inventive spirit and collaboration with peers continue to drive advancements that improve the quality and utility of cement, paving the way for future innovations in the field.