Walter G. DeWitt is a notable inventor based in Southampton, PA (US). He has made significant contributions to the field of polymer technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is for "Superabsorbent polymeric compositions and process for producing the same." This invention involves preparing superabsorbent polymeric compositions from monomers, including acrylic acid and a second hydrophilic monomer. The process ensures that the pH of the aqueous monomer solution is adjusted to exclude free acid, allowing for the polymerization and drying of the hydrogel on a heated surface. This method results in a superabsorbent product with greater absorption capacity than acrylate homopolymer, while avoiding thermal degradation products.

Another significant patent is for the "Method of print bonding non-woven webs." This invention describes a process for creating non-woven webs that possess a very soft hand and high tensile strength. The process includes print bonding a non-woven web with a formaldehyde-free binder, followed by drying, curing, and calendering. The resulting non-woven web exhibits a cross-dimensional water wet tensile strength of at least 150 g/in and a softness value comparable to thermally bonded polypropylene.

Career Highlights

Walter G. DeWitt is associated with Rohm and Haas Company, where he has applied his expertise in polymer technology. His work has contributed to advancements in materials that are essential in various applications.

Collaborations

Throughout his career, Walter has collaborated with notable colleagues, including Ching-Jen Chang and Robert A. Gill. These partnerships have further enriched his contributions to the field.

Conclusion

Walter G. DeWitt stands out as an innovative inventor in polymer technology, with patents that reflect his commitment to advancing material science. His work continues to influence the industry and inspire future innovations.