Inventor · disambiguated record
Klaus Elfert
Also filed as: BENTZ FRANCIS · ELFERT KLAUS
8 granted patents·246 citations·filing 1976–1981
89Inventor score
Files withBAYER AG8
Top patents by PatentIndex Score
8 records- 0195US4115465ASeparation of aromatic hydrocarbons from mixtures, using polyurethane membranesBAYER AG·Filed 1977·Granted Sep 19, 1978·92 cites·26 claims
- 0286US4252652AProcess of using a semi-permeable membrane of acrylonitrile copolymersBAYER AG·Filed 1979·Granted Feb 24, 1981·41 cites·1 claims
- 0382US4217227ASemipermeable membranes of copolyamidesBAYER AG·Filed 1978·Granted Aug 12, 1980·33 cites·13 claims
- 0481US4383923ASemipermeable membranesBAYER AG·Filed 1981·Granted May 17, 1983·30 cites·6 claims
- 0573US4269967ASemipermeable membranes of aromatic disulfimide containing polyamidesBAYER AG·Filed 1979·Granted May 26, 1981·24 cites·7 claims
- 0661US4069215ASemipermeable membranes of sulphonated polybenz-1,3-oxazin-2,4-dionesBAYER AG·Filed 1976·Granted Jan 17, 1978·17 cites·3 claims
- 0745US4221903ASemipermeable membranes of heterocyclic copolyamidesBAYER AG·Filed 1978·Granted Sep 9, 1980·9 cites·12 claims
- 0829US4059580ASulphonated polybenz-1,3-oxazin-2,4-dionesBAYER AG·Filed 1976·Granted Nov 22, 1977·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →