This inventor holds 3 USPTO granted patents. Top assignee: Celanese Gmbh. Active years: 1976-1987.
Location History:
- Berkeley Heights, NJ (US) (1976 - 1977)
- Union, NY (US) (1987)
Company Filing History:
Years Active: 1976-1987
Title: The Innovative Contributions of Charles A. DeFazio
Introduction
Charles A. DeFazio is a notable inventor based in Berkeley Heights, NJ (US). He has made significant contributions to the field of polymer chemistry, holding a total of 3 patents. His work primarily focuses on the development of high molecular weight polyacrylates and innovative emulsion polymers.
Latest Patents
DeFazio's latest patents include the preparation of high molecular weight polyacrylates by inverse emulsion. This process involves the polymerization and co-polymerization of water-soluble salts of acrylic acid with acrylamide in a water/hydrocarbon emulsion without the use of a catalyst. This method yields high molecular weight polymers that have various applications. Another significant patent involves the incorporation of multifunctional monomers in new emulsion polymers. These polymers comprise vinyl acetate-acrylate or methacrylate emulsion polymer containing an α,β-ethylenically unsaturated acid ester of a polyol, such as pentaerythritol tri- and tetra-acrylate, trimethylolpropane triacrylate, and hexanediol diacrylate.
Career Highlights
Charles A. DeFazio is currently associated with Celanese GmbH, where he continues to innovate in the field of polymer science. His expertise and research have contributed to advancements in the production and application of emulsion polymers.
Collaborations
Throughout his career, DeFazio has collaborated with esteemed colleagues, including Thomas M. Powanda and Charles B. Rybny. These collaborations have further enhanced the scope and impact of his work in polymer chemistry.
Conclusion
Charles A. DeFazio's contributions to polymer chemistry through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches continue to shape the development of advanced materials.
