Inventor · disambiguated record
Alfons Landscheidt
Also filed as: LANDSCHEIDT ALFONS
10 granted patents·146 citations·filing 1983–1997
90Inventor score
Top patents by PatentIndex Score
10 records- 0182US5176797AManufacturing paper employing a polymer of acrylic or methacrylic acidSTOCKHAUSEN CHEM FAB GMBH·Filed 1991·Granted Jan 5, 1993·37 cites·5 claims
- 0267US5512646AWater soluble powdered cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compoundsSTOCKHAUSEN CHEM FAB GMBH·Filed 1993·Granted Apr 30, 1996·25 cites·1 claims
- 0364US5297740AProcess for the production of polyacrylic acidsLANDSCHEIDT ALFONS·Filed 1993·Granted Mar 29, 1994·15 cites·6 claims
- 0461US6228964B1Water soluble, powdered, cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compoundsSTOCKHAUSEN CHEM FAB GMBH·Filed 1997·Granted May 8, 2001·22 cites·1 claims
- 0561US5292404AProcess for trash removal or pitch-like resin control in the paper manufactureSTOCKHAUSEN CHEM FAB GMBH·Filed 1992·Granted Mar 8, 1994·23 cites·10 claims
- 0657US5241011AProcess for the production of polyacrylic acidsLANDSCHEIDT ALFONS·Filed 1991·Granted Aug 31, 1993·11 cites·6 claims
- 0754US4605740AProcess for the production of N-substituted acrylic acid amidesSTOCKHAUSEN CHEM FAB GMBH·Filed 1983·Granted Aug 12, 1986·3 cites·13 claims
- 0848US4980437AAcrylic copolymers for re-tanningSTOCKHAUSEN CHEM FAB GMBH·Filed 1988·Granted Dec 25, 1990·5 cites·5 claims
- 0948US4813968ARetanning processSTOCKHAUSEN CHEM FAB GMBH·Filed 1988·Granted Mar 21, 1989·5 cites·9 claims
- 1034US4555581AProcess for the production of 7-oxabicyclo (2.2.1)hept-5-ene derivativesSTOCKHAUSEN CHEM FAB GMBH·Filed 1983·Granted Nov 26, 1985·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →