Inventor
COLLIN GERD
12 patents
Patents
12 patentsUS4795847AJan 3, 1989
Preparation of 2,6-dialkyl-naphthalenes
RUETGERSWERKE AG28 citations89
US4259171AMar 31, 1981
Process for the separation of quinoline-insoluble components from coal tar pitch
RUETGERSWERKE AG28 citations81
US4430175AFeb 7, 1984
Process for the electrochemical conversion of coal and use of the reaction products
RUETGERSWERKE AG20 citations78
US4902492AFeb 20, 1990
Novel spinning method
RUETGERSWERKE AG12 citations71
US4098838AJul 4, 1978
Process for obtaining sulfur free pure naphthalene from bituminous coal tar and thionaphthene as a by-product
RUETGERSWERKE AG11 citations69
US4377040AMar 22, 1983
Process for the modification of wood
RUETGERSWERKE AG17 citations67
US4379133AApr 5, 1983
Process for anisotropic carbon production
RUETGERSWERKE AG5 citations57
US4414192ANov 8, 1983
Method of producing a highly reactive pitch fraction and its usage
RUETGERSWERKE AG3 citations56
US4304606ADec 8, 1981
Plasticized coal tar pitch, composition containing same and its use
RUETGERSWERKE AG3 citations55
US4149019AApr 10, 1979
Process for the transalkylation of nuclear methylated phenols
RUETGERSWERKE AG3 citations53
US3991074ANov 9, 1976
Process for the catalytic conversion of o-ethylaniline to indole
RUETGERSWERKE AG1 citations48
US4357472ANov 2, 1982
Process for the production of thionaphthene from thionaphthene sulfonic acid
RUETGERSWERKE AG0 citations47