Inventor
HOHMANN WALTER
DE21 patents
⚠️ This page may combine multiple inventors who share the name “HOHMANN WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
19 patentsUS4259248AMar 31, 1981
Process for the preparation of mixtures of dinitroanthraquinones with a high content of 1,5- and 1,8- dinitroanthraquinone
BAYER AG4 citations62
US4213909AJul 22, 1980
Process for the preparation of 1-amino-4-bromoanthraquinone-2-sulfonic acid II
BAYER AG5 citations62
US3980677ASep 14, 1976
Anthraquinone dyestuffs containing sulphonic acid groups
BAYER AG5 citations62
US3963762AJun 15, 1976
Process for producing 1,5-dinitroanthraquinone and 1,8-dinitroanthraquinone
BAYER AG4 citations62
US4203885AMay 20, 1980
Process for the mononitration of anthraquinone
BAYER AG3 citations61
US4166822ASep 4, 1979
Branched-chain alkyl amino anthraquinones
BAYER AG5 citations61
US4041053AAug 9, 1977
Process for the preparation of anthraquinone compounds
BAYER AG3 citations61
US3989450ANov 2, 1976
Nitroanthraquinones
BAYER AG2 citations61
US4206130AJun 3, 1980
Process for the preparation of 1,5-dichloroanthraquinone
BAYER AG2 citations60
US4210413AJul 1, 1980
Transfer printing process
BAYER AG2 citations59
US4492790AJan 8, 1985
Vat dyestuffs of the trisanthraquinonylaminotriazine series
BAYER AG0 citations52
US4155921AMay 22, 1979
Process for the isolation of 1,6- and 1,7-dinitroanthraquinone
BAYER AG0 citations52
US3971812AJul 27, 1976
Anthraquinone dyestuffs
BAYER AG1 citations52
US4115412ASep 19, 1978
Process for dyeing textiles
BAYER AG1 citations51
US4104284AAug 1, 1978
Nitroanthraquinones
BAYER AG0 citations51
US4056544ANov 1, 1977
Anthraquinone compounds
BAYER AG0 citations51
US4000167ADec 28, 1976
Nitroanthraquinones
BAYER AG1 citations51
US4408056AOct 4, 1983
Anthraquinone vat dyestuffs
BAYER AG0 citations48
US4153608AMay 8, 1979
Anthraquinone vat dyestuffs
BAYER AG1 citations48