Location History:
- Milford, MA (US) (1978)
- Waltham, MA (US) (1978 - 1981)
Company Filing History:
Years Active: 1978-1981
Title: The Innovative Contributions of Robert R. Alexander
Introduction
Robert R. Alexander is a notable inventor based in Milford, MA, who has made significant contributions to the field of polymer chemistry. With a total of five patents to his name, he has developed innovative solutions that enhance the functionality and application of various materials. His work primarily focuses on coloring systems and decorative films, showcasing his expertise in creating advanced polymer compositions.
Latest Patents
Among his latest patents, the "Pigment Agglomerate Coloring System" stands out. This system utilizes polyhydric alcohols to soften starch and cellulose derivatives in an organic acid solution, forming glycolate modified derivatives. By mixing hydrophobic pigment particles with these derivatives after adjusting the solution's acidity, he has created a water-removable temporary dye system. This system can be converted into a permanent dye by adding a latex suspension, demonstrating versatility in application.
Another significant patent is the "High Molecular Weight Vinyl Acrylic Combined with Low Molecular Weight." This invention describes an unsupported decorative film made from a polymeric composition that has controlled permanent tack. The blend consists of 86 to 88% of a high molecular weight polyvinyl acetate-acrylic copolymer and 12 to 14% of a low molecular weight polyvinyl acetate-maleate copolymer. This film adheres to most surfaces but can be forcefully removed and relocated, making it ideal for decorative art pieces.
Career Highlights
Throughout his career, Robert R. Alexander has worked with reputable companies such as Polymerics GmbH and W. R. Grace & Co. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects. His patents reflect a deep understanding of polymer science and its applications in everyday products.
Collaborations
Robert has collaborated with notable individuals in the industry, including David Lester and Irving E. Isgur. These partnerships have likely enriched his work and expanded the impact of his inventions.
Conclusion
Robert R. Alexander's contributions to polymer chemistry and innovative solutions in coloring systems and decorative films highlight his role as a significant inventor. His patents not only showcase his technical expertise but also his commitment to advancing the field. His work continues to influence the industry and inspire future innovations.