Inventor
THOMAS ERWIN
DE22 patents
⚠️ This page may combine multiple inventors who share the name “THOMAS ERWIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
21 patentsUS4778669AOct 18, 1988
Preparation of aqueous solutions of free hydroxylamine
BASF AG29 citations92
US4507271AMar 26, 1985
Removal of nitrous oxide from gases containing hydrogen, nitric oxide and nitrous oxide
BASF AG30 citations87
US4629613ADec 16, 1986
Stabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparation
BASF AG20 citations81
US4889704ADec 26, 1989
Preparation of hydroxylammonium salts
BASF AG16 citations74
US4725360AFeb 16, 1988
Working up wastewaters containing hydroxylamine or its salts
BASF AG8 citations74
US4645579AFeb 24, 1987
Preparation of aqueous hydroxylamine solutions
BASF AG16 citations73
US4576804AMar 18, 1986
Stabilized solutions of hydroxylamine or its salts
BASF AG16 citations73
US4551318ANov 5, 1985
Stabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparation
BASF AG15 citations73
US4031139AJun 21, 1977
Manufacture of cyclohexanone oxime
BASF AG8 citations73
US4659683AApr 21, 1987
Regeneration of inactive and poisoned platinum catalysts
BASF AG13 citations72
US4634584AJan 6, 1987
Stabilized solutions of hydroxylamine or its salts in water or alcohols, and their preparation
BASF AG17 citations72
US4192856AMar 11, 1980
Manufacture of hydroxylammonium salts
BASF AG7 citations70
US4387082AJun 7, 1983
Removal of nitrous oxide from exit gases containing this compound during the production of hydroxylammonium salts
BASF AG9 citations69
US4340575AJul 20, 1982
Manufacture of hydroxylammonium salts
BASF AG10 citations68
US4737354AApr 12, 1988
Preparation of hydroxylamine-O-sulfonic acid
BASF AG4 citations63
US4601800AJul 22, 1986
Preparation of aqueous solutions of hydroxylammonium carbonate
BASF AG2 citations62
US4477424AOct 16, 1984
Continuous preparation of hydroxylammonium salts
BASF AG3 citations61
US4457906AJul 3, 1984
Preparation of hydroxylammonium salts
BASF AG2 citations61
US4404176ASep 13, 1983
Preparation of hydroxylammonium salts
BASF AG2 citations61
US4438084AMar 20, 1984
Manufacture of hydroxylammonium salts
BASF AG3 citations58
US4491567AJan 1, 1985
Manufacture of hydroxylammonium salts
BASF AG1 citations43