Inventor · disambiguated record
Siegfried Lang
Also filed as: LANG SIEGFRIED
20 granted patents·938 citations·filing 1978–1999
96Inventor score
Top patents by PatentIndex Score
20 records- 0196US5945032APolymer/hydrogen peroxide complexesBASF AG·Filed 1997·Granted Aug 31, 1999·224 cites·12 claims
- 0296US4801460APreparation of solid pharmaceutical formsBASF AG·Filed 1987·Granted Jan 31, 1989·249 cites·9 claims
- 0389US5006345ADirect tableting auxiliaryBASF AG·Filed 1988·Granted Apr 9, 1991·100 cites·16 claims
- 0487US6231848B1Topical Products as prophylactic of curative agents for bacterial skin infectionsBASF AG·Filed 1997·Granted May 15, 2001·69 cites·14 claims
- 0579US5880252APyrrolidonyl-containing polyesters and polyamidesBASF AG·Filed 1994·Granted Mar 9, 1999·48 cites·15 claims
- 0679US4786699APreparation of polyvinylpyrrolidoneBASF AG·Filed 1988·Granted Nov 22, 1988·29 cites·3 claims
- 0775US4254239ABiodegradable vinylpyrrolidone polymers, their manufacture and useBASF AG·Filed 1978·Granted Mar 3, 1981·23 cites·6 claims
- 0874US5840769ADirect tabletting aidsBASF AG·Filed 1997·Granted Nov 24, 1998·44 cites·11 claims
- 0970US6497886B11,3-bis-(N-lactamyl) propane and the pharmaceutical and cosmetic use thereofBASF AG·Filed 1997·Granted Dec 24, 2002·32 cites·10 claims
- 1065US4366151AOxyalkylated fatty acids and their use as solubilizersBASF AG·Filed 1981·Granted Dec 28, 1982·22 cites·4 claims
- 1165US4350791AVinylpyrrolidone polymers, their preparation, their use in the preparation of plasma substitutes, and the substitutes thus obtainedBASF AG·Filed 1980·Granted Sep 21, 1982·16 cites·5 claims
- 1254US4551512AWater-soluble polymers having a low hygroscopicityBASF AG·Filed 1984·Granted Nov 5, 1985·13 cites·2 claims
- 1351US5190791AInfrared radiation process for a high contrast in the natural grain of a naturally pale woodDAIMLER BENZ AG·Filed 1991·Granted Mar 2, 1993·17 cites·23 claims
- 1444US6083408ADepth-type filter for killing microorganisms and inactivating viruses which comprises a fibrous material and crospovidone-iodine and its useBASF AG·Filed 1994·Granted Jul 4, 2000·19 cites·11 claims
- 1543US6096911AProcess for purifying alkoxylated fatsBASF AG·Filed 1996·Granted Aug 1, 2000·5 cites·9 claims
- 1640US6627088B1Depth-type filter for killing microorganisms and inactivating viruses and its useBASF AG·Filed 1999·Granted Sep 30, 2003·12 cites·19 claims
- 1740US6171583B1Powdery iodine complexesBASF AG·Filed 1996·Granted Jan 9, 2001·3 cites·2 claims
- 1833US6203484B1Methods for disinfecting wastesBASF CORP·Filed 1997·Granted Mar 20, 2001·6 cites·13 claims
- 1930US6592768B1Compositions for disinfecting wastesBASF CORP·Filed 1997·Granted Jul 15, 2003·7 cites·28 claims
- 2029US6126843AProcess for the antimicrobial treatment of cooling lubricantsBASF AG·Filed 1998·Granted Oct 3, 2000·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Siegfried Lang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →