Inventor · disambiguated record
Dieter Freitag
Also filed as: FREITAG DIETER · FREITAG DIETER DR · IDEL KARSTEN · KLEINER FRANK
201 granted patents·9 pending applications·4,323 citations·filing 1975–2017
99Inventor score
Top patents by PatentIndex Score
210 records- 0199US7645850B2Poly(block-phosphonato-ester) and poly(block-phosphonato-carbonate) and methods of making sameFRX POLYMERS INC·Filed 2006·Granted Jan 12, 2010·59 cites·49 claims
- 0299US5340905AProcess for the preparation of thermoplastic polycarbonatesBAYER AG·Filed 1994·Granted Aug 23, 1994·242 cites·4 claims
- 0398US4982014ADihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonatesBAYER AG·Filed 1989·Granted Jan 1, 1991·503 cites·5 claims
- 0498US4334053AProcess 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
- 0597US6861499B2Branched polyphosphonates that exhibit an advantageous combination of properties, and methods related theretoTRITON SYSTEMS INC·Filed 2003·Granted Mar 1, 2005·88 cites·27 claims
- 0696US7838604B2Method for the production of block copolycarbonate/phosphonates and compositions therefromFRX POLYMERS INC·Filed 2006·Granted Nov 23, 2010·17 cites·24 claims
- 0796US4331614AAromatic polyphosphonates and a process for their productionBAYER AG·Filed 1980·Granted May 25, 1982·76 cites·2 claims
- 0896US4269964APolycarbonates with alkylphenyl end groups, their preparation and their useBAYER AG·Filed 1979·Granted May 26, 1981·88 cites·14 claims
- 0995US5126428APolycarbonate from dihydroxy diphenyl cycloalkaneBAYER AG·Filed 1990·Granted Jun 30, 1992·108 cites·9 claims
- 1095US4415719AThermoplastic, branched aromatic polyphosphonates, and a process for their productionBAYER AG·Filed 1981·Granted Nov 15, 1983·66 cites·9 claims
- 1195US4374971AProcess for the preparation of thermoplastic aromatic polyphosphonates with improved thermal ageing resistanceBAYER AG·Filed 1980·Granted Feb 22, 1983·71 cites·7 claims
- 1295US4328174AAromatic polyester phosphonatesBAYER AG·Filed 1980·Granted May 4, 1982·86 cites·5 claims
- 1394US7816486B2Branched polyphosphonatesFRX POLYMERS INC·Filed 2004·Granted Oct 19, 2010·48 cites·44 claims
- 1494US5104723AMixtures of special new polycarbonates with other thermoplastics or with elastomersBAYER AG·Filed 1989·Granted Apr 14, 1992·68 cites·11 claims
- 1593US8530044B2Hyperbranched oligomeric phosphonates and compositions including the sameKAGUMBA LAWINO·Filed 2011·Granted Sep 10, 2013·11 cites·37 claims
- 1693US5034458APolycarbonates of substituted cyclohexylindenebisphenolsBAYER AG·Filed 1990·Granted Jul 23, 1991·58 cites·2 claims
- 1793US4333809ACross-linkable polycarbonate elastomers, a process for their preparation and use for packaging medicinesBAYER AG·Filed 1980·Granted Jun 8, 1982·67 cites·14 claims
- 1892US8779041B2Oligomeric phosphonates and compositions including the sameFRX POLYMERS INC·Filed 2013·Granted Jul 15, 2014·7 cites·29 claims
- 1992US8563638B2Oligomeric phosphonates and compositions including the sameKAGUMBA LAWINO·Filed 2011·Granted Oct 22, 2013·8 cites·35 claims
- 2092US5109076APolydiorganosiloxane/polycarbonate block cocondensates based on certain dihydroxydiphenylcycloalkanesBAYER AG·Filed 1989·Granted Apr 28, 1992·53 cites·8 claims
- 2192US4719279AProcess for the preparation of copolyphosphonates having high toughnessBAYER AG·Filed 1986·Granted Jan 12, 1988·55 cites·10 claims
- 2292US4208489APolycarbonate molding compositions with improved flame-repellencyBAYER AG·Filed 1978·Granted Jun 17, 1980·41 cites·13 claims
- 2391US8975367B2Polyphosphonate and copolyphosphonate additive mixturesFREITAG DIETER·Filed 2012·Granted Mar 10, 2015·6 cites·28 claims
- 2491US4762905AAromatic thermoplastic polyphosphonatocarbonateBAYER AG·Filed 1985·Granted Aug 9, 1988·40 cites·5 claims
- 2591US4463130AFlame-resistant polymer mixturesBAYER AG·Filed 1983·Granted Jul 31, 1984·58 cites·1 claims
- 2691US4322520AAromatic thermoplastic polyphosphonatocarbonateBAYER AG·Filed 1980·Granted Mar 30, 1982·43 cites·4 claims
- 2790US8389664B2High molecular weight, random, bisphenol based copoly(phosphonate carbonate)sFREITAG DIETER·Filed 2011·Granted Mar 5, 2013·6 cites·30 claims
- 2890US7888534B2Diaryl alkylphosphonates and methods for preparing sameFRX POLYMERS INC·Filed 2006·Granted Feb 15, 2011·8 cites·24 claims
- 2990US5227458APolycarbonate from dihydroxydiphenyl cycloalkaneBAYER AG·Filed 1992·Granted Jul 13, 1993·65 cites·3 claims
- 3090US5010162APolycarbonate of alkyl cyclohexylidene bisphenolBAYER AG·Filed 1989·Granted Apr 23, 1991·45 cites·3 claims
- 3189US7928259B2Diaryl alkylphosphonates and methods for preparing sameFRX POLYMERS INC·Filed 2008·Granted Apr 19, 2011·8 cites·24 claims
- 3289US5334692AHighly branched polyphosphonates based on melamineBAYER AG·Filed 1993·Granted Aug 2, 1994·58 cites·5 claims
- 3389US4681922AThermoplastic polysiloxane-polyester (carbonate) block copolymers, their preparation and useBAYER AG·Filed 1984·Granted Jul 21, 1987·41 cites·7 claims
- 3488US7666932B2Compositions comprising polyphosphonates and additives that exhibit an advantageous combination of properties, and methods related theretoFRX POLYMERS INC·Filed 2006·Granted Feb 23, 2010·9 cites·12 claims
- 3588US4401802AProcess for the preparation of thermoplastic aromatic polyphosphonatocarbonates with improved heat-ageing resistance, and their useBAYER AG·Filed 1981·Granted Aug 30, 1983·34 cites·7 claims
- 3688US4297455AProcess for the preparation of carbonic acid aryl esters of polyester-diols lengthened via carbonate groups and their use for the preparation of polyester-diol bis-diphenol carbonates and polyester/polycarbonatesBAYER AG·Filed 1978·Granted Oct 27, 1981·37 cites·42 claims
- 3788US4221645APolycarbonates with end groups containing double bonds which can be crosslinked by UV lightBAYER AG·Filed 1979·Granted Sep 9, 1980·38 cites·14 claims
- 3887US5034457AThermoplastic blends containing polycarbonates based on substituted cyclohexylidenebisphenolsBAYER AG·Filed 1990·Granted Jul 23, 1991·48 cites·1 claims
- 3987US4617368AProcess for the production of colorless aromatic polyester and polyester carbonatesBAYER AG·Filed 1984·Granted Oct 14, 1986·35 cites·7 claims
- 4086US4782123AProcess for the preparation of copolyphosphonates of high notched impact strengthBAYER AG·Filed 1987·Granted Nov 1, 1988·34 cites·10 claims
- 4186US4508890AProcess for the preparation of thermoplastic aromatic polyphosphonatocarbonates with improved heat-aging resistance, and their useBAYER AG·Filed 1983·Granted Apr 2, 1985·31 cites·2 claims
- 4285US5086157AAromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alkanes and films therefromBAYER AG·Filed 1989·Granted Feb 4, 1992·34 cites·10 claims
- 4385US4481350AProcess for the preparation of thermoplastic aromatic polyphosphonates containing small proportions of carbonate structures and product thereofBAYER AG·Filed 1984·Granted Nov 6, 1984·34 cites·10 claims
- 4484US4450249AInternal antistatic agents for polycarbonates and for polycarbonate filmsBAYER AG·Filed 1982·Granted May 22, 1984·31 cites·8 claims
- 4584US4366276AFlame-resistant moulding materials based on thermoplastic aromatic polyesters and polyesters carbonates, a process for their production and their use in the production of moulded bodiesBAYER AG·Filed 1981·Granted Dec 28, 1982·31 cites·6 claims
- 4684US3979462ACondensation resins of phenols and α,α'-dihydroxy-diisopropyl benzenesBAYER AG·Filed 1975·Granted Sep 7, 1976·15 cites·5 claims
- 4783US5269887AProcess for the purification of bisphenolsBAYER AG·Filed 1992·Granted Dec 14, 1993·22 cites·3 claims
- 4883US4801677AThermotropic aromatic polyester with high thermal stabilityBAYER AG·Filed 1987·Granted Jan 31, 1989·30 cites·7 claims
- 4983US4216298AProcess for the preparation of carbonic acid bis-diphenol esters of polyester-diols and their use for the preparation of high-molecular segmented polyester/polycarbonates which can be processed as thermoplasticsBAYER AG·Filed 1978·Granted Aug 5, 1980·29 cites·37 claims
- 5082US5233037AProduction of caprolactam by thermal depolymerization of polyamide 6BAYER AG·Filed 1992·Granted Aug 3, 1993·22 cites·5 claims
Showing the top 50 of 210 patent records by PatentIndex Score.
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