Inventor · disambiguated record
August Lehner
Also filed as: LEHNER AUGUST
48 granted patents·2 pending applications·511 citations·filing 1975–2001
98Inventor score
Files withBASF AG36EMTEC MAGNETICS GMBH6BASF MAGNETICS GMBH5BASF FARBEN & FASERN1BASI MAGNETICS GMBH1
Top patents by PatentIndex Score
50 records- 0192US4400497AStorage stable, heat curable mixtures of polyisocyanate and polyol and process for their manufacture and useBASF AG·Filed 1982·Granted Aug 23, 1983·48 cites·9 claims
- 0284US4568612AMagnetic recording mediaBASF AG·Filed 1983·Granted Feb 4, 1986·28 cites·9 claims
- 0383US5922469AMaterials suitable as crosslinkable binder componentsEMTEC MAGNETICS GMBH·Filed 1997·Granted Jul 13, 1999·40 cites·3 claims
- 0481US5556918APolymeric materials suitable as dispersing resinsBASF MAGNETICS GMBH·Filed 1995·Granted Sep 17, 1996·37 cites·5 claims
- 0581US4328282AMagnetic recording mediaBASF AG·Filed 1981·Granted May 4, 1982·29 cites·3 claims
- 0674US4590144APhotopolymerizable recording material and the production of relief plates using this recording materialBASF AG·Filed 1984·Granted May 20, 1986·31 cites·13 claims
- 0772US4334034AProcess for the preparation of polymerizable polyurethane elastomersBASF AG·Filed 1981·Granted Jun 8, 1982·20 cites·7 claims
- 0867US4058506AThermoplastic, elastic polyurethanes which are soluble in ethers and/or ketonesBASF AG·Filed 1975·Granted Nov 15, 1977·15 cites·9 claims
- 0964US4320171AMagnetic recording media containing elastomeric polyurethane binders in the magnetic coatingBASF AG·Filed 1980·Granted Mar 16, 1982·22 cites·5 claims
- 1064US4310565AProcess of making a magnetic recording mediaBASF AG·Filed 1980·Granted Jan 12, 1982·12 cites·8 claims
- 1164US4058646AMagnetic recording media containing elastomeric polyurethane binders in the magnetic coatingBASF AG·Filed 1975·Granted Nov 15, 1977·18 cites·10 claims
- 1263US4472455AProduction of magnetic recording mediaBASF AG·Filed 1983·Granted Sep 18, 1984·11 cites·8 claims
- 1361US4567108AMagnetic recording mediaBASF AG·Filed 1984·Granted Jan 28, 1986·11 cites·1 claims
- 1461US4559118AMagnetic recording mediaBASF AG·Filed 1984·Granted Dec 17, 1985·18 cites·1 claims
- 1560US4357221AProcess for coating electrically conductive objects with polyurethaneBASF AG·Filed 1981·Granted Nov 2, 1982·14 cites·11 claims
- 1656US5082737AMagnetic recording media having a branched thermoplastic polyurethane binder containing a polysiloxane component in the main chainBASF AG·Filed 1990·Granted Jan 21, 1992·14 cites·11 claims
- 1756US4314922AProcess for the preparation of aqueous polyurethane dispersionsBASF AG·Filed 1981·Granted Feb 9, 1982·12 cites·7 claims
- 1855US5543226AMagnetic recording mediaBASF MAGNETICS GMBH·Filed 1992·Granted Aug 6, 1996·10 cites·4 claims
- 1953US5552229AMagnetic recording medium containing magnetic material dispersed in a polyurethaneurea-polyurethane binderBASF MAGNETICS GMBH·Filed 1994·Granted Sep 3, 1996·8 cites·8 claims
- 2053US4482664ADispersions of finely divided synthetic resins in plasticizersBASF FARBEN & FASERN·Filed 1982·Granted Nov 13, 1984·12 cites·12 claims
- 2152US4568610AMagnetic recording mediaBASF AG·Filed 1984·Granted Feb 4, 1986·8 cites·2 claims
- 2250US4011084AFluid photo-crosslinkable compositions for the manufacture of relief printing platesBASF AG·Filed 1975·Granted Mar 8, 1977·9 cites·8 claims
- 2345US4666781AMagnetic recording mediaBASF AG·Filed 1985·Granted May 19, 1987·10 cites·1 claims
- 2445US4567109AMagnetic recording mediaBASF AG·Filed 1983·Granted Jan 28, 1986·9 cites·4 claims
- 2543US5756637APolymeric materials suitable as dispersing resinsEMTEC MAGNETICS GMBH·Filed 1996·Granted May 26, 1998·11 cites·15 claims
- 2643US5130202AMagnetic recording medium containing an isocyanate-free branched thermoplastic polyurethane binder resin with urea groups at the chain endsBASF AG·Filed 1990·Granted Jul 14, 1992·5 cites·7 claims
- 2740US5120608AMagnetic recording media comprising a polyurethane binder resin containing perfluoro groupsBASF AG·Filed 1990·Granted Jun 9, 1992·4 cites·11 claims
- 2839US4534999AProduction of magnetic recording media having a backing coatingBASF AG·Filed 1984·Granted Aug 13, 1985·3 cites·3 claims
- 2939US2001026880A1Magnetic recording mediaFiled 2001·Application pending·0 cites
- 3038US5169721AMagnetic recording media comprising a polyurethane binder resin containing perfluoro groupsBASF AG·Filed 1990·Granted Dec 8, 1992·4 cites·2 claims
- 3136US5968658AMagnetic recording mediaEMTEC MAGNETICS GMBH·Filed 1997·Granted Oct 19, 1999·6 cites·2 claims
- 3236US4895764AMagnetic recording mediaBASF AG·Filed 1988·Granted Jan 23, 1990·5 cites·6 claims
- 3335US4597990APreparation of magnetic recording mediaBASF AG·Filed 1985·Granted Jul 1, 1986·5 cites·5 claims
- 3435US2002022130A1UV-curable binder composition for magnetic recording media and photoinitiator mixtureEMTEC MAGNETICS GMBH·Filed 2001·Application pending·0 cites
- 3534US6025456APolyurethanesEMTEC MAGNETICS GMBH·Filed 1998·Granted Feb 15, 2000·4 cites·5 claims
- 3634US4421840APhotopolymerizable recording material containing a diisocyanate modified nylon binderBASF AG·Filed 1981·Granted Dec 20, 1983·4 cites·5 claims
- 3733US4656093AMagnetic recording mediaBASF AG·Filed 1984·Granted Apr 7, 1987·2 cites·3 claims
- 3832US6231963B1Magnetic recording mediaEMTEC MAGNETICS GMBH·Filed 1996·Granted May 15, 2001·3 cites·11 claims
- 3932US5473042AMaterials suitable as crosslinkable binder componentsBASF MAGNETICS GMBH·Filed 1995·Granted Dec 5, 1995·2 cites·7 claims
- 4032US5082689AProduction of magnetic recording mediaBASF AG·Filed 1990·Granted Jan 21, 1992·2 cites·6 claims
- 4131US4673591AProduction of layer-type magnetic recording mediaBASF AG·Filed 1985·Granted Jun 16, 1987·1 cites·10 claims
- 4231US4668586AMagnetic recording mediaBASF AG·Filed 1985·Granted May 26, 1987·3 cites·2 claims
- 4330US4671969AProduction of layer-type magnetic recording mediaBASF AG·Filed 1985·Granted Jun 9, 1987·0 cites·9 claims
- 4429US5523151AMagnetic recording mediaBASF MAGNETICS GMBH·Filed 1992·Granted Jun 4, 1996·0 cites·2 claims
- 4529US5217810AMagnetic recording medium having a magnetic layer containing chromium dioxide particles and linolenic acidBASF AG·Filed 1992·Granted Jun 8, 1993·1 cites·1 claims
- 4629US4647513AMagnetic recording mediaBASF AG·Filed 1984·Granted Mar 3, 1987·0 cites·10 claims
- 4728US5075179AMagnetic recording mediaBASF AG·Filed 1989·Granted Dec 24, 1991·0 cites·2 claims
- 4827US5064721AMagnetic recording mediaBASF AG·Filed 1988·Granted Nov 12, 1991·0 cites·3 claims
- 4926US4551359AProduction of magnetic recording mediaBASF AG·Filed 1984·Granted Nov 5, 1985·0 cites·2 claims
- 5023US5470650AMagnetic recording mediaBASI MAGNETICS GMBH·Filed 1993·Granted Nov 28, 1995·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →