Mark Identification

DYNAPHEN

Serial Number

73321125

Filing Date

Jul 27, 1981

Trademark by

HYDROCARBON RESEARCH INC.

Classification Information

RESEARCH, DEVELOPMENT, DESIGN, AND OPERATION SERVICES TO THE PETROLEUM , PETROCHEMICAL, AND CHEMICAL PROCESS INDUSTRIES IN THE THERMAL HYDROD EALKYLATION OF ALKYLPHENOLIC COMPOUNDS (CRESYLIC ACIDS) TO PROVIDE PHENOL AND/OR CRESOLS, PLUS BENZENE

Computer and Scientific