Company Filing History:
Years Active: 1985-1992
Title: The Innovative Contributions of Philip J Ruhoff
Introduction
Philip J Ruhoff is a notable inventor based in Minneapolis, MN (US), recognized for his significant contributions to the field of coatings and polymers. With a total of five patents to his name, Ruhoff has made strides in developing advanced materials that enhance the performance and durability of coatings.
Latest Patents
Among his latest patents is the "Hydrolysis resistant alkyl resin coating composition." This invention involves modifying base alkyd resins to improve their hydrolytic stability by reacting them with a polybasic acid composition. The resulting modified alkyd features an acid number ranging from 25 to 100 and includes pendent carboxy-functional monoester groups derived from cycloaliphatic polybasic acids. Another significant patent is for "Modified-acrylate polymers and coating compositions made therefrom." This method produces a modified addition polymer from an ethylenically unsaturated monomer composition that includes at least one monomer with hydroxyl or carboxyl functionality. The process involves dissolving the monomer composition and a free radical initiator in a solvent-free molten composition, which is maintained at an addition polymerization temperature. The resulting material is particularly useful in manufacturing paints in both liquid and powder forms.
Career Highlights
Ruhoff's career is marked by his association with The Valspar Corporation, where he has played a crucial role in advancing coating technologies. His work has not only contributed to the company's product offerings but has also set new standards in the industry for performance and sustainability.
Collaborations
Throughout his career, Ruhoff has collaborated with esteemed colleagues such as Larry B Brandenburger and Robert B Edenborg. These partnerships have fostered innovation and have been instrumental in the development of new technologies in the coatings sector.
Conclusion
Philip J Ruhoff's innovative work in the field of coatings and polymers has made a lasting impact on the industry. His patents reflect a commitment to enhancing material performance and sustainability, showcasing his role as a leading inventor in this domain.