Location History:
- Coopersburg, PA (US) (1983 - 1984)
- Bethlehem, PA (US) (1980 - 1985)
Company Filing History:
Years Active: 1980-1985
Title: Joseph A. Lavelle: Innovator in Acrylic Polymer Solutions
Introduction
Joseph A. Lavelle is a notable inventor based in Bethlehem, PA, who has made significant contributions to the field of polymer chemistry. With a total of 5 patents to his name, Lavelle has focused on developing innovative solutions that enhance the performance of construction materials, particularly in concrete applications.
Latest Patents
One of Lavelle's latest patents involves acrylic polymer solutions designed for use in forming membranes that prevent moisture loss during the curing of hydraulic cement-containing articles. This addition polymer can be applied as a film to materials such as concrete and asbestos-cement shingles, ensuring optimal hardening conditions. The formulation consists of 10 to 50 percent by weight of an ester of acrylic or methacrylic acid, along with a vinyl aromatic monomer and a copolymerizable ethylenically unsaturated carboxylic acid. The preferred components include styrene or vinyl toluene as the vinyl aromatic compound and itaconic acid, acrylic acid, or methacrylic acid as the unsaturated acid.
Another significant patent focuses on coating and impregnating compositions for concrete. This invention features a monomer blend that includes dicyclopentenyl or dicyclopentenyloxyalkyl methacrylate or acrylate, combined with hydroxy alkyl methacrylate. The compositions are designed to be applied to porous surfaces, such as concrete, and can be polymerized in situ to create hard, hydrophobic, and weather-resistant surfaces.
Career Highlights
Joseph A. Lavelle is associated with Rohm and Haas Company, where he has contributed to the development of advanced materials. His work has been instrumental in enhancing the durability and performance of construction materials, particularly in the context of concrete applications.
Collaborations
Throughout his career, Lavelle has collaborated with notable colleagues, including William D. Emmons and Thomas W. Hutton. These partnerships have fostered innovation and have led to the successful development of various patented technologies.
Conclusion
Joseph A. Lavelle's contributions to the field of polymer chemistry, particularly in the development of acrylic polymer solutions for construction applications, highlight his innovative spirit and dedication to enhancing material performance. His work continues to influence the industry and pave the way for future advancements.