US Patent Issued to DAICEL on July 1 for "Cellulose acetate and method for producing cellulose acetate" (Japanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,681, issued on July 1, was assigned to DAICEL Corp. (Osaka, Japan).

"Cellulose acetate and method for producing cellulose acetate" was invented by Shuuji Yoshioka (Tokyo), Toshikazu Nakamura (Tokyo), Shu Shimamoto (Tokyo) and Takao Kishimoto (Imizu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is to provide a cellulose acetate that has a low total degree of acetyl substitution and a degree of acetyl substitution at 6-position that is lower compared to the degrees of acetyl substitution at 2-position and 3-position of a glucose ring, and has excellent water solubility. A cellulose acetate having: a total degree of acetyl ...