US Patent Issued to KAO GERMANY on June 30 for "Process for permanent waving keratin fibers" (German Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,175, issued on June 30, was assigned to KAO GERMANY GMBH (Darmstadt, Germany).

"Process for permanent waving keratin fibers" was invented by Ruth Kamguia (Darmstadt, Germany), Hans-Peter Laux (Darmstadt, Germany), Jens Heilmann (Darmstadt, Germany) and Normen Lipinski (Darmstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Processes and kits for permanent waving keratin fibers achieve durable shiny waves. The processes comprise treating fibers with a reducing composition, a non-reducing and non-oxidizing alkaline composition, optionally and acidic composition and finally an oxidizing composition, wherein, after processing the reducing com...