Inventor
IDEL KARSTEN-JOSEF
DE57 patents
Patents
50 patentsUS4185009AJan 22, 1980
Branched, high-molecular weight thermoplastic polycarbonates
BAYER AG261 citations97
US5034458AJul 23, 1991
Polycarbonates of substituted cyclohexylindenebisphenols
BAYER AG58 citations96
US4822852AApr 18, 1989
High-impact dimensionally stable polyamide molding compositions
BAYER AG61 citations96
US6515044B1Feb 4, 2003
Method for producing highly viscous polyesters
BAYER AG54 citations94
US5576377ANov 19, 1996
Polymer moulding materials for producing a partial color change by laser energy, particularly for the production of colored markings
BAYER AG62 citations94
US5216113AJun 1, 1993
Highly branched polyphosphonates
BAYER AG66 citations94
US5233037AAug 3, 1993
Production of caprolactam by thermal depolymerization of polyamide 6
BAYER AG22 citations93
US5010147AApr 23, 1991
High-strength polycarbonate mixtures
BAYER AG23 citations93
US5310793AMay 10, 1994
Mixtures of polyalkylene terephthalates, new polycarbonates and/or polyester-carbonates and elastomers
BAYER AG28 citations92
US5109076AApr 28, 1992
Polydiorganosiloxane/polycarbonate block cocondensates based on certain dihydroxydiphenylcycloalkanes
BAYER AG53 citations92
US5105004AApr 14, 1992
Aromatic ethers
BAYER AG23 citations92
US5102971AApr 7, 1992
Soluble polyaromatic compounds
BAYER AG34 citations92
US5021543AJun 4, 1991
Process for the production of bifunctional OH-terminated polyphenylene oxides with dipolar aprotic solvent
BAYER AG29 citations92
US5965652AOct 12, 1999
Thermally stable copper-containing polyamide molding compounds
BAYER AG25 citations91
US5274009ADec 28, 1993
Use of nuclear aromatic sulfonic acid esters for stabilizing thermoplastic polycarbonates against the effect of gamma-rays
BAYER AG23 citations91
US5605945AFeb 25, 1997
Polyamide compounds containing diepoxide and having high viscosity
BAYER AG21 citations90
US5132154AJul 21, 1992
Polycarbonate mixtures in optical applications
BAYER AG34 citations90
US6307003B1Oct 23, 2001
Compostable adhesive
BAYER AG21 citations84
US5416143AMay 16, 1995
Highly flame-retardant polyamide moulding compounds
BAYER AG18 citations82
US5378750AJan 3, 1995
Flame-retardant polyamide molding compounds
BAYER AG15 citations82
US5100960AMar 31, 1992
Thermoplastic molding compositions of a polysiloxane block copolycarbonate and a polycarbonate based on certain dihydroxydiphenylcycloalkanes
BAYER AG20 citations82
US6630216B2Oct 7, 2003
Molded plastic article comprising a barrier film
BAYER AG15 citations81
US5416161AMay 16, 1995
Production of blend systems by the condensation of oligocarbonates in the presence of mass-polymerized ABS
BAYER AG7 citations74
US5081269AJan 14, 1992
Oligomer epoxy resins based on cyclohexyldiphenol derivatives and reaction products thereof with (meth)acrylic acid and diisocyanates
BAYER AG5 citations74
US5068302ANov 26, 1991
Polysiloxane-polycarbonate block copolymers based on certain dihydroxydiphenylcycloalkanes
BAYER AG14 citations74
US5037939AAug 6, 1991
Thermotropic, fully aromatic polyesters prepared by polycondensation of aromatic diphenols and aromatic carboxylic acids
BAYER AG15 citations74
US5026758AJun 25, 1991
Thermoplastic molding compounds of polycarbonate, polyalkylene terephthalate, special barium sulfate and optionally, elastomers
BAYER AG12 citations74
US5025065AJun 18, 1991
Fire-retardant polycarbonates and polyesters
BAYER AG7 citations74
US5021542AJun 4, 1991
Polycarbonate of polysubstituted cyclohexylidene bisphenols
BAYER AG11 citations74
US4999414AMar 12, 1991
Process for the production of aromatic polyether ketones
BAYER AG9 citations74
US4985532AJan 15, 1991
Thermotropic polyesters, a process for their production and their use for the production of moldings, filaments and films
BAYER AG17 citations74
US4873314AOct 10, 1989
Process for the production of polycarbonate solutions
BAYER AG14 citations74
US4535149AAug 13, 1985
Process for the production of polyarylene sulphides
BAYER AG12 citations74
US5597888AJan 28, 1997
Process for the production of high molecular weight polyamide 6
BAYER AG17 citations73
US5407994AApr 18, 1995
Thermoplastic polyalkyleneterephthalate moulding compounds
BAYER AG10 citations73
US5389712AFeb 14, 1995
Difficultly flammable polyamide moulding materials
BAYER AG13 citations73
US5376715ADec 27, 1994
Heat stabilization or aromatic polycarbonates
BAYER AG7 citations73
US5326800AJul 5, 1994
Use of salts in combination with halogenated phthalimides for flameproof finishing of glass fibre-containing polycarbonate moulded members
BAYER AG8 citations73
US5298546AMar 29, 1994
Thermoplastic molding compounds of polyalkylene terephthalate, special barium sulfate, particulate graft polymers and, optionally, reinforcing materials
BAYER AG12 citations73
US5066776ANov 19, 1991
Process for the manufacture of polyarylene sulphides
BAYER AG15 citations73
US4970286ANov 13, 1990
Thermotropic, fully aromatic polyesters having a low processing temperature, a process for their production and their use for the production of moldings, filaments, fibers and films
BAYER AG6 citations73
US5703204ADec 30, 1997
Method for reprocessing aqueous extract solutions obtained in the production of PA 6 or copolyamide
BAYER AG16 citations72
US6207072B1Mar 27, 2001
Cooling medium for use at elevated temperatures
BAYER AG7 citations68
US5145920ASep 8, 1992
Oligomer epoxy resins based on cyclohexyldiphenol derivatives and reaction products thereof with (meth)acrylic acid and diisocyanates
BAYER AG4 citations63
US5115050AMay 19, 1992
Polyamide moulding compositions containing finely divided polyarylene sulphides
BAYER AG2 citations63
US4609699ASep 2, 1986
Polyarylene sulphides with reduced corrosion
BAYER AG6 citations63
US4585856AApr 29, 1986
Process for the preparation of polyarylene sulphides
BAYER AG5 citations63
US5136013AAug 4, 1992
Process for the production of low-melting polymers containing at least one z-configured stilbene group
BAYER AG2 citations61
US6268418B1Jul 31, 2001
Mineral filled moulding compounds based on polyalkylene-terephthalate
BAYER AG6 citations60
US5084550AJan 28, 1992
Copolycarbonate from mixture of polyarylene diol
BAYER AG4 citations59
Showing the top 50 of 57 patents by PatentIndex Score.