US Patent Issued to FUJIFILM on June 16 for "Carboxylic acid or carboxylic acid ester compound having fused-ring structure, method for producing the same, and use of compound" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,112, issued on June 16, was assigned to FUJIFILM Corp. (Tokyo).

"Carboxylic acid or carboxylic acid ester compound having fused-ring structure, method for producing the same, and use of compound" was invented by Takafumi Nakayama (Ashigarakami-gun, Japan), Kosuke Chiba (Ashigarakami-gun, Japan) and Naoyuki Morooka (Ashigarakami-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a compound represented by the following General Formula (A1-1), a method for producing the same, and the use of the compound:wherein R5 and R6 represent a hydrogen atom or an alkyl group, L1 and L2 represent an alkylene group having 1 to 6 carbon atoms, Sp...