US Patent Issued to MARCO INDUSTRIES on Sept. 15 for "Low formaldehyde ridge vent material" (Oklahoma Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,538, issued on Sept. 15, was assigned to MARCO INDUSTRIES INC. (Tulsa, Okla.).

"Low formaldehyde ridge vent material" was invented by Robert P. Harris (Tulsa, Okla.) and Marlene Gomez (Tulsa, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure generally relates to formulations for, and methods of making and using, a roof ridge vent material having no or a low amount of formaldehyde. Compositions for making the material include at least one polyester fiber and a binder mix. The binder mix includes at least one acrylic emulsion, at least one fire retardant, at least one surfactant, at least one defoaming agent, and water."

Th...