Inventor · disambiguated record
Hans Niederprum
Also filed as: MITSCHKE KARL-HEINZ · NIEDERPRUEM HANS · NIEDERPRUM HANS
20 granted patents·271 citations·filing 1974–1980
95Inventor score
Files withBAYER AG20
Top patents by PatentIndex Score
20 records- 0192US4370254AUse of perfluoroalkane sulphonamide salts as surface active agentsBAYER AG·Filed 1980·Granted Jan 25, 1983·35 cites·5 claims
- 0292US4055458AEtching glass with HF and fluorine-containing surfactantBAYER AG·Filed 1976·Granted Oct 25, 1977·61 cites·3 claims
- 0378US4041003AProcess for molding aromatic polycarbonates having perfluoroalkanesulphonic acid derivatives as mold release agentsBAYER AG·Filed 1976·Granted Aug 9, 1977·16 cites·8 claims
- 0478US4007150AUse of perfluoroalkanesulphonic acid amides and/or cyclimmonium salts of perfluoroalkansulphonic acids as mold release agentsBAYER AG·Filed 1976·Granted Feb 8, 1977·16 cites·8 claims
- 0574US4026997AProcess for the production of ammonium fluoride from fluosilicic acidBAYER AG·Filed 1976·Granted May 31, 1977·21 cites·5 claims
- 0673US4168277AProduction of tetraethyl ammonium perfluoroalkyl sulphonateBAYER AG·Filed 1977·Granted Sep 18, 1979·8 cites·2 claims
- 0772US3951762APreparation of perfluorinated organic sulfonyl fluoridesBAYER AG·Filed 1974·Granted Apr 20, 1976·14 cites·6 claims
- 0871US4203914ASilyl esters of perfluoroalkanesulphonic acid esters and a process for their preparationBAYER AG·Filed 1979·Granted May 20, 1980·7 cites·4 claims
- 0968US4265831AProcess for the preparation of hydroxyalkylperfluoroalkane sulphonamidesBAYER AG·Filed 1979·Granted May 5, 1981·7 cites·4 claims
- 1067US4101271ATanning skins using polycarboxylic acid partial estersBAYER AG·Filed 1977·Granted Jul 18, 1978·14 cites·9 claims
- 1164US4500350ADisintegration of chromitesBAYER AG·Filed 1977·Granted Feb 19, 1985·13 cites·7 claims
- 1258US4260715AProcess for the production of siliconfunctional polyorganosiloxanesBAYER AG·Filed 1979·Granted Apr 7, 1981·10 cites·6 claims
- 1358US4006064AProcess for the electrodeposition of chrome plate using fluorine-containing wetting agentsBAYER AG·Filed 1976·Granted Feb 1, 1977·10 cites·10 claims
- 1454US4177332A1,1,1-Trifluoro-2-chloroethane as blowing agent for polyurethane foamBAYER AG·Filed 1978·Granted Dec 4, 1979·10 cites·4 claims
- 1552US4066734AAlkaline disintegration of chromitesBAYER AG·Filed 1976·Granted Jan 3, 1978·8 cites·3 claims
- 1651US4168240AProcess for the preparation of a chrome tanning agent and Glauber's saltBAYER AG·Filed 1978·Granted Sep 18, 1979·7 cites·6 claims
- 1742US4148867AProduction of synthetic fluorsparBAYER AG·Filed 1976·Granted Apr 10, 1979·3 cites·10 claims
- 1841US4138466AProducing chromate substantially free of vanadiumBAYER AG·Filed 1977·Granted Feb 6, 1979·4 cites·8 claims
- 1937US4112046ADisintegration of silica-rich chromiteBAYER AG·Filed 1976·Granted Sep 5, 1978·5 cites·7 claims
- 2033US4289646A1,1-Difluoro-2-chloroethylene as aerosol propellantBAYER AG·Filed 1979·Granted Sep 15, 1981·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →