Inventor
LEHNER AUGUST
DE48 patents
⚠️ This page may combine multiple inventors who share the name “LEHNER AUGUST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
36 patentsUS4568612AFeb 4, 1986
Magnetic recording media
BASF AG28 citations92
US4400497AAug 23, 1983
Storage stable, heat curable mixtures of polyisocyanate and polyol and process for their manufacture and use
BASF AG48 citations92
US4328282AMay 4, 1982
Magnetic recording media
BASF AG29 citations92
US4590144AMay 20, 1986
Photopolymerizable recording material and the production of relief plates using this recording material
BASF AG31 citations91
US4334034AJun 8, 1982
Process for the preparation of polymerizable polyurethane elastomers
BASF AG20 citations82
US4320171AMar 16, 1982
Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating
BASF AG22 citations80
US4666781AMay 19, 1987
Magnetic recording media
BASF AG10 citations74
US4559118ADec 17, 1985
Magnetic recording media
BASF AG18 citations74
US4472455ASep 18, 1984
Production of magnetic recording media
BASF AG11 citations74
US4314922AFeb 9, 1982
Process for the preparation of aqueous polyurethane dispersions
BASF AG12 citations74
US4011084AMar 8, 1977
Fluid photo-crosslinkable compositions for the manufacture of relief printing plates
BASF AG9 citations74
US5082737AJan 21, 1992
Magnetic recording media having a branched thermoplastic polyurethane binder containing a polysiloxane component in the main chain
BASF AG14 citations73
US4568610AFeb 4, 1986
Magnetic recording media
BASF AG8 citations73
US4567109AJan 28, 1986
Magnetic recording media
BASF AG9 citations73
US4567108AJan 28, 1986
Magnetic recording media
BASF AG11 citations73
US4357221ANov 2, 1982
Process for coating electrically conductive objects with polyurethane
BASF AG14 citations73
US4310565AJan 12, 1982
Process of making a magnetic recording media
BASF AG12 citations73
US4058506ANov 15, 1977
Thermoplastic, elastic polyurethanes which are soluble in ethers and/or ketones
BASF AG15 citations73
US4058646ANov 15, 1977
Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating
BASF AG18 citations72
US5169721ADec 8, 1992
Magnetic recording media comprising a polyurethane binder resin containing perfluoro groups
BASF AG4 citations62
US5130202AJul 14, 1992
Magnetic recording medium containing an isocyanate-free branched thermoplastic polyurethane binder resin with urea groups at the chain ends
BASF AG5 citations62
US5120608AJun 9, 1992
Magnetic recording media comprising a polyurethane binder resin containing perfluoro groups
BASF AG4 citations62
US4895764AJan 23, 1990
Magnetic recording media
BASF AG5 citations62
US4534999AAug 13, 1985
Production of magnetic recording media having a backing coating
BASF AG3 citations62
US4668586AMay 26, 1987
Magnetic recording media
BASF AG3 citations60
US4597990AJul 1, 1986
Preparation of magnetic recording media
BASF AG5 citations60
US4421840ADec 20, 1983
Photopolymerizable recording material containing a diisocyanate modified nylon binder
BASF AG4 citations60
US5082689AJan 21, 1992
Production of magnetic recording media
BASF AG2 citations59
US4656093AApr 7, 1987
Magnetic recording media
BASF AG2 citations59
US4673591AJun 16, 1987
Production of layer-type magnetic recording media
BASF AG1 citations52
US5217810AJun 8, 1993
Magnetic recording medium having a magnetic layer containing chromium dioxide particles and linolenic acid
BASF AG1 citations51
US5075179ADec 24, 1991
Magnetic recording media
BASF AG0 citations51
US4647513AMar 3, 1987
Magnetic recording media
BASF AG0 citations51
US5064721ANov 12, 1991
Magnetic recording media
BASF AG0 citations49
US4551359ANov 5, 1985
Production of magnetic recording media
BASF AG0 citations47
US4671969AJun 9, 1987
Production of layer-type magnetic recording media
BASF AG0 citations42
EMTEC MAGNETICS GMBH
5 patentsUS5922469AJul 13, 1999
Materials suitable as crosslinkable binder components
EMTEC MAGNETICS GMBH40 citations92
US5756637AMay 26, 1998
Polymeric materials suitable as dispersing resins
EMTEC MAGNETICS GMBH11 citations72
US6025456AFeb 15, 2000
Polyurethanes
EMTEC MAGNETICS GMBH4 citations62
US5968658AOct 19, 1999
Magnetic recording media
EMTEC MAGNETICS GMBH6 citations62
US6231963B1May 15, 2001
Magnetic recording media
EMTEC MAGNETICS GMBH3 citations61
BASF MAGNETICS GMBH
5 patentsUS5556918ASep 17, 1996
Polymeric materials suitable as dispersing resins
BASF MAGNETICS GMBH37 citations92
US5552229ASep 3, 1996
Magnetic recording medium containing magnetic material dispersed in a polyurethaneurea-polyurethane binder
BASF MAGNETICS GMBH8 citations74
US5543226AAug 6, 1996
Magnetic recording media
BASF MAGNETICS GMBH10 citations73
US5473042ADec 5, 1995
Materials suitable as crosslinkable binder components
BASF MAGNETICS GMBH2 citations63
US5523151AJun 4, 1996
Magnetic recording media
BASF MAGNETICS GMBH0 citations41