Inventor
SCHAEFFER GEORG
DE14 patents
Patents
14 patentsUS4266066AMay 5, 1981
Process for the manufacture of ketones
HOECHST AG6 citations72
US4564712AJan 14, 1986
Process for the preparation of diphenyl ethers
HOECHST AG10 citations71
US4340746AJul 20, 1982
Process for the preparation of thiochloroformates
HOECHST AG8 citations70
US3962326AJun 8, 1976
Process for the manufacture of carboxylic acid chlorides
HOECHST AG14 citations70
US4085129AApr 18, 1978
Process for the preparation of chloroformic acid aryl esters and cyclic carbonates
HOECHST AG8 citations69
US4145283AMar 20, 1979
Process for the purification of waste water
HOECHST AG18 citations68
US4339594AJul 13, 1982
Process for the manufacture of phenylacetic acid and simple derivatives thereof
HOECHST AG2 citations61
US3974084AAug 10, 1976
Process for the manufacture of anhydrous alkali metal arylate solutions and separation of the arylates from alkali metal sulfite
HOECHST AG5 citations57
US4590295AMay 20, 1986
Process for the manufacture of p-hydroxyphenyl-acetic acid
HOECHST AG1 citations50
US4306102ADec 15, 1981
P-Tert.butylbenzotribromide and p-tert.butylbenzoyl bromide and process for their manufacture
HOECHST AG1 citations50
US4277421AJul 7, 1981
Process for the manufacture of para-tert.butylbenzaldehyde and its derivatives which are halogen-substituted at the nucleus
HOECHST AG1 citations50
US4770820ASep 13, 1988
Process for the preparation of carbamoyl chlorides derived from secondary amines
HOECHST AG0 citations49
US4110365AAug 29, 1978
Process for the manufacture of naphthalene-monosulfonic acids
HOECHST AG1 citations46
US4952697AAug 28, 1990
Process for the preparation of 2-nitro-3-aminopyridine, and the intermediates which are formed in the reaction
HOECHST AG1 citations42