Inventor
NIEDERPRUM HANS
15 patents
Patents
15 patentsUS4055458AOct 25, 1977
Etching glass with HF and fluorine-containing surfactant
BAYER AG61 citations93
US4041003AAug 9, 1977
Process for molding aromatic polycarbonates having perfluoroalkanesulphonic acid derivatives as mold release agents
BAYER AG16 citations82
US4007150AFeb 8, 1977
Use of perfluoroalkanesulphonic acid amides and/or cyclimmonium salts of perfluoroalkansulphonic acids as mold release agents
BAYER AG16 citations82
US4026997AMay 31, 1977
Process for the production of ammonium fluoride from fluosilicic acid
BAYER AG21 citations77
US4177332ADec 4, 1979
1,1,1-Trifluoro-2-chloroethane as blowing agent for polyurethane foam
BAYER AG10 citations73
US4203914AMay 20, 1980
Silyl esters of perfluoroalkanesulphonic acid esters and a process for their preparation
BAYER AG7 citations72
US4168277ASep 18, 1979
Production of tetraethyl ammonium perfluoroalkyl sulphonate
BAYER AG8 citations72
US4006064AFeb 1, 1977
Process for the electrodeposition of chrome plate using fluorine-containing wetting agents
BAYER AG10 citations71
US3951762AApr 20, 1976
Preparation of perfluorinated organic sulfonyl fluorides
BAYER AG14 citations71
US4066734AJan 3, 1978
Alkaline disintegration of chromites
BAYER AG8 citations69
US4168240ASep 18, 1979
Process for the preparation of a chrome tanning agent and Glauber's salt
BAYER AG7 citations67
US4101271AJul 18, 1978
Tanning skins using polycarboxylic acid partial esters
BAYER AG14 citations66
US4148867AApr 10, 1979
Production of synthetic fluorspar
BAYER AG3 citations62
US4138466AFeb 6, 1979
Producing chromate substantially free of vanadium
BAYER AG4 citations59
US4112046ASep 5, 1978
Disintegration of silica-rich chromite
BAYER AG5 citations57