Intellectual Property India Publishes Patent Application for Methods Of Preparing Gypsum Board Using Cellulosic Fiber

MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202617076456 A) filed by Knauf Gips Kg on June 19, 2026, for Methods Of Preparing Gypsum Board Using Cellulosic Fiber.

Inventors include Hemphill, Mark Kenneth; Vilinska, Annamaria; and Yum, Gregory Kin.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: Disclosed are methods of preparing gypsum boards using cellulosic fiber. A set gypsum core is formed and disposed between face and back covers sheets. The set gypsum core is formed from a core slurry comprising stucco, water, cellulosic fiber, and optional additives, such as foaming agent, accelerator, retarder, dispersant, etc. A face dense layer forme...