Inventor · disambiguated record
Karsten-Josef Idel
Also filed as: FREITAG DIETER · FRIETAG DIETER · IDEL KARSTEN · IDEL KARSTEN J
107 granted patents·2 pending applications·1,918 citations·filing 1975–2001
99Inventor score
Top patents by PatentIndex Score
109 records- 0198US4334053AProcess for the preparation of aromatic polyesters and the use thereof for the production of injection molded articles, films and coatingsBAYER AG·Filed 1980·Granted Jun 8, 1982·118 cites·9 claims
- 0298US4185009ABranched, high-molecular weight thermoplastic polycarbonatesBAYER AG·Filed 1977·Granted Jan 22, 1980·261 cites·24 claims
- 0393US5034458APolycarbonates of substituted cyclohexylindenebisphenolsBAYER AG·Filed 1990·Granted Jul 23, 1991·58 cites·2 claims
- 0493US4822852AHigh-impact dimensionally stable polyamide molding compositionsBAYER AG·Filed 1987·Granted Apr 18, 1989·61 cites·20 claims
- 0592US5109076APolydiorganosiloxane/polycarbonate block cocondensates based on certain dihydroxydiphenylcycloalkanesBAYER AG·Filed 1989·Granted Apr 28, 1992·53 cites·8 claims
- 0692US4208489APolycarbonate molding compositions with improved flame-repellencyBAYER AG·Filed 1978·Granted Jun 17, 1980·41 cites·13 claims
- 0791US5216113AHighly branched polyphosphonatesBAYER AG·Filed 1990·Granted Jun 1, 1993·66 cites·5 claims
- 0890US5010162APolycarbonate of alkyl cyclohexylidene bisphenolBAYER AG·Filed 1989·Granted Apr 23, 1991·45 cites·3 claims
- 0989US5576377APolymer moulding materials for producing a partial color change by laser energy, particularly for the production of colored markingsBAYER AG·Filed 1995·Granted Nov 19, 1996·62 cites·6 claims
- 1089US5102971ASoluble polyaromatic compoundsBAYER AG·Filed 1990·Granted Apr 7, 1992·34 cites·1 claims
- 1188US6515044B1Method for producing highly viscous polyestersBAYER AG·Filed 1999·Granted Feb 4, 2003·54 cites·13 claims
- 1287US5034457AThermoplastic blends containing polycarbonates based on substituted cyclohexylidenebisphenolsBAYER AG·Filed 1990·Granted Jul 23, 1991·48 cites·1 claims
- 1384US4381359AStabilized thermoplastic moulding compositionsBAYER AG·Filed 1981·Granted Apr 26, 1983·35 cites·2 claims
- 1482US5233037AProduction of caprolactam by thermal depolymerization of polyamide 6BAYER AG·Filed 1992·Granted Aug 3, 1993·22 cites·5 claims
- 1582US5021543AProcess for the production of bifunctional OH-terminated polyphenylene oxides with dipolar aprotic solventBAYER AG·Filed 1989·Granted Jun 4, 1991·29 cites·1 claims
- 1680US5310793AMixtures of polyalkylene terephthalates, new polycarbonates and/or polyester-carbonates and elastomersBAYER AG·Filed 1993·Granted May 10, 1994·28 cites·3 claims
- 1780US5132154APolycarbonate mixtures in optical applicationsBAYER AG·Filed 1990·Granted Jul 21, 1992·34 cites·9 claims
- 1880US4212774ARecovery of high-quality polycarbonate from polycarbonate scrapIDEL KARSTEN·Filed 1979·Granted Jul 15, 1980·28 cites·7 claims
- 1979US4645825AFibres and filaments of polyarylene sulphidesBAYER AG·Filed 1985·Granted Feb 24, 1987·24 cites·9 claims
- 2078US5965652AThermally stable copper-containing polyamide molding compoundsBAYER AG·Filed 1994·Granted Oct 12, 1999·25 cites·7 claims
- 2177US5105004AAromatic ethersBAYER AG·Filed 1990·Granted Apr 14, 1992·23 cites·2 claims
- 2275US6630216B2Molded plastic article comprising a barrier filmBAYER AG·Filed 2001·Granted Oct 7, 2003·15 cites·14 claims
- 2372US5010147AHigh-strength polycarbonate mixturesBAYER AG·Filed 1990·Granted Apr 23, 1991·23 cites·4 claims
- 2471US4985532AThermotropic polyesters, a process for their production and their use for the production of moldings, filaments and filmsBAYER AG·Filed 1989·Granted Jan 15, 1991·17 cites·5 claims
- 2570US5274009AUse of nuclear aromatic sulfonic acid esters for stabilizing thermoplastic polycarbonates against the effect of gamma-raysBAYER AG·Filed 1992·Granted Dec 28, 1993·23 cites·6 claims
- 2669US5416143AHighly flame-retardant polyamide moulding compoundsBAYER AG·Filed 1993·Granted May 16, 1995·18 cites·4 claims
- 2769US4760128AProcess for the preparation of high molecular weight, optionally branched polyarylene sulphide with monomercaptan compoundBAYER AG·Filed 1986·Granted Jul 26, 1988·17 cites·7 claims
- 2869US4316980AProcess for the preparation of tetramethylated bisphenol polycarbonatesBAYER AG·Filed 1980·Granted Feb 23, 1982·18 cites·9 claims
- 2968US5037939AThermotropic, fully aromatic polyesters prepared by polycondensation of aromatic diphenols and aromatic carboxylic acidsBAYER AG·Filed 1990·Granted Aug 6, 1991·15 cites·7 claims
- 3068US4375525AUse of organic silicon compounds for stabilizing and brightening polycarbonates which are free from phosphites and free from boric acid estersBAYER AG·Filed 1980·Granted Mar 1, 1983·15 cites·6 claims
- 3166US6307003B1Compostable adhesiveBAYER AG·Filed 1997·Granted Oct 23, 2001·21 cites·11 claims
- 3266US5100960AThermoplastic molding compositions of a polysiloxane block copolycarbonate and a polycarbonate based on certain dihydroxydiphenylcycloalkanesBAYER AG·Filed 1990·Granted Mar 31, 1992·20 cites·1 claims
- 3366US5053477AProcess for the production of aromatic polyether ketonesBAYER AG·Filed 1990·Granted Oct 1, 1991·16 cites·4 claims
- 3466US4873314AProcess for the production of polycarbonate solutionsBAYER AG·Filed 1988·Granted Oct 10, 1989·14 cites·2 claims
- 3565US5378750AFlame-retardant polyamide molding compoundsBAYER AG·Filed 1993·Granted Jan 3, 1995·15 cites·6 claims
- 3665US5068302APolysiloxane-polycarbonate block copolymers based on certain dihydroxydiphenylcycloalkanesBAYER AG·Filed 1990·Granted Nov 26, 1991·14 cites·4 claims
- 3765US5066776AProcess for the manufacture of polyarylene sulphidesBAYER AG·Filed 1990·Granted Nov 19, 1991·15 cites·5 claims
- 3865US4500702AAnhydrous preparation of polyarylene sulfide in one vessel reaction systemBAYER AG·Filed 1983·Granted Feb 19, 1985·16 cites·13 claims
- 3964US5389712ADifficultly flammable polyamide moulding materialsBAYER AG·Filed 1993·Granted Feb 14, 1995·13 cites·15 claims
- 4063US5597888AProcess for the production of high molecular weight polyamide 6BAYER AG·Filed 1995·Granted Jan 28, 1997·17 cites·13 claims
- 4163US5010163APolycarbonate of cycloalkylidene bisphenolBAYER AG·Filed 1989·Granted Apr 23, 1991·12 cites·3 claims
- 4263US4362864AProcess for the preparation of polyarylene sulphidesBAYER AG·Filed 1981·Granted Dec 7, 1982·15 cites·8 claims
- 4362US5605945APolyamide compounds containing diepoxide and having high viscosityBAYER AG·Filed 1995·Granted Feb 25, 1997·21 cites·2 claims
- 4461US5703204AMethod for reprocessing aqueous extract solutions obtained in the production of PA 6 or copolyamideBAYER AG·Filed 1996·Granted Dec 30, 1997·16 cites·10 claims
- 4561US5298546AThermoplastic molding compounds of polyalkylene terephthalate, special barium sulfate, particulate graft polymers and, optionally, reinforcing materialsBAYER AG·Filed 1990·Granted Mar 29, 1994·12 cites·4 claims
- 4661US4888370AFlame-resistant polyamidesBAYER AG·Filed 1988·Granted Dec 19, 1989·15 cites·8 claims
- 4761US4525579AProcess for the production of optionally branched polyarylene sulphides with polyhalogenated polyaromatic compoundBAYER AG·Filed 1984·Granted Jun 25, 1985·14 cites·9 claims
- 4860US5021542APolycarbonate of polysubstituted cyclohexylidene bisphenolsBAYER AG·Filed 1989·Granted Jun 4, 1991·11 cites·3 claims
- 4960US4424339AProcess for the preparation of polyarylene sulphidesBAYER AG·Filed 1982·Granted Jan 3, 1984·13 cites·5 claims
- 5059US5081269AOligomer epoxy resins based on cyclohexyldiphenol derivatives and reaction products thereof with (meth)acrylic acid and diisocyanatesBAYER AG·Filed 1990·Granted Jan 14, 1992·5 cites·10 claims
Showing the top 50 of 109 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Karsten-Josef Idel 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 →