Inventor · disambiguated record
Rolf Dhein
Also filed as: BEER WOLFGANG · DHEIN ROLF · DHEIN ROLF DR · FAHNLER FRIEDRICH
152 granted patents·2,476 citations·filing 1974–1997
99Inventor score
Top patents by PatentIndex Score
152 records- 0196US4968430AComposite membranes, processes for their preparation and their useBAYER AG·Filed 1989·Granted Nov 6, 1990·120 cites·10 claims
- 0296US4824639ATest device and a method for the detection of a component of a liquid sampleBAYER AG·Filed 1988·Granted Apr 25, 1989·194 cites·17 claims
- 0396US4506066AThermoplastic polycarbonates, their preparation and their use as shaped articles and filmsBAYER AG·Filed 1983·Granted Mar 19, 1985·79 cites·15 claims
- 0494US5374704APure, in particular catalyst-free polyurethanesBAYER AG·Filed 1993·Granted Dec 20, 1994·71 cites·7 claims
- 0594US4762901AProcess for the preparation of polymeric networks having superstructures, corresponding polymeric networks and the use thereofBAYER AG·Filed 1987·Granted Aug 9, 1988·60 cites·9 claims
- 0691US5304400AProcess for coating heat resistant substrates with two component stoving compositionsBAYER AG·Filed 1992·Granted Apr 19, 1994·57 cites·5 claims
- 0790US5089342AWood or wood product coated with an aqueous, air-drying coating agentBAYER AG·Filed 1991·Granted Feb 18, 1992·67 cites·1 claims
- 0889US5430121AThermoplastic polyurethanes modified by siloxane block copolymersBAYER AG·Filed 1993·Granted Jul 4, 1995·43 cites·9 claims
- 0988US4628079APolyamide imides produced from either lactams or polyamides with isocyanates or anhydrides in which products are precipitated with a non-solventBAYER AG·Filed 1985·Granted Dec 9, 1986·32 cites·10 claims
- 1088US4481123APolyethers, their preparation and their use as lubricantsBAYER AG·Filed 1982·Granted Nov 6, 1984·43 cites·24 claims
- 1187US5143956AFree-flowing polyamide molding compoundsBAYER AG·Filed 1991·Granted Sep 1, 1992·30 cites·16 claims
- 1287US4287315APolyamide blendsMEYER ROLF VOLKER·Filed 1979·Granted Sep 1, 1981·46 cites·9 claims
- 1386US4973652AProcess for the production of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with p containing catalyst and mixture of hydrocarbonsBAYER AG·Filed 1989·Granted Nov 27, 1990·36 cites·3 claims
- 1486US4178261ACarboxylic acid esters and their use as a base lubricating oilBAYER AG·Filed 1978·Granted Dec 11, 1979·32 cites·6 claims
- 1585US5086157AAromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alkanes and films therefromBAYER AG·Filed 1989·Granted Feb 4, 1992·34 cites·10 claims
- 1685US4418174AProcess for the preparation of polyesters using mannitol or sorbitol derivatives, mixtures of polyesters and these mannitol or sorbitol derivatives and the use thereof for the production of aqueous stoving lacquersBAYER AG·Filed 1982·Granted Nov 29, 1983·31 cites·2 claims
- 1785US4292187ALubricating oils for the working of metalsBAYER AG·Filed 1980·Granted Sep 29, 1981·37 cites·7 claims
- 1885US4212816ACarboxylic acid esters of pentaerythritolBAYER AG·Filed 1978·Granted Jul 15, 1980·32 cites·1 claims
- 1985US4073769AEsters of phosphorous acidBAYER AG·Filed 1975·Granted Feb 14, 1978·15 cites·6 claims
- 2083US4324880Aβ-Hydroxybutyric acid polyesters, a process for their production and their use as starting materials for lacquersBAYER AG·Filed 1980·Granted Apr 13, 1982·31 cites·7 claims
- 2182US4362635ALactone-modified ester oilsBAYER AG·Filed 1980·Granted Dec 7, 1982·33 cites·8 claims
- 2280US5420047AMethod for carrying out immunodiagnostic testsBAYER AG·Filed 1993·Granted May 30, 1995·52 cites·13 claims
- 2380US4927903ADiphenol monoesters of carboxylic acids and process for their preparationBAYER AG·Filed 1986·Granted May 22, 1990·25 cites·5 claims
- 2479US4754000AActivated anionic polymerization of lactamsBAYER AG·Filed 1987·Granted Jun 28, 1988·18 cites·8 claims
- 2579US4623346AIsobutylene polymer active compound release systemsBAYER AG·Filed 1984·Granted Nov 18, 1986·43 cites·12 claims
- 2679US4035438AImpact resistant polymer mixturesBAYER AG·Filed 1975·Granted Jul 12, 1977·27 cites·6 claims
- 2778US4661104AActive compound release systemsBAYER AG·Filed 1984·Granted Apr 28, 1987·29 cites·24 claims
- 2878US4321336AHigh impact polyamide blendsBAYER AG·Filed 1980·Granted Mar 23, 1982·29 cites·13 claims
- 2977US5105004AAromatic ethersBAYER AG·Filed 1990·Granted Apr 14, 1992·23 cites·2 claims
- 3076US3932358APulverent coating materials containing polyoxazolines and polyesters based on succinic anhydrideBAYER AG·Filed 1974·Granted Jan 13, 1976·16 cites·8 claims
- 3175US4456717AStabilizer compositions, their use for stabilizing thermoplastic, polycarbonates and stabilized thermoplastic polycarbonatesBAYER AG·Filed 1983·Granted Jun 26, 1984·21 cites·6 claims
- 3273US5552477ACoating compound, a process for its preparation and its use for the production of coatingsBAYER AG·Filed 1992·Granted Sep 3, 1996·21 cites·5 claims
- 3373US4892927Aα-amino-ε-caprolactam-modified polyamide of dicarboxylic acids/diaminesBAYER AG·Filed 1988·Granted Jan 9, 1990·19 cites·11 claims
- 3473US4323501AEsters of phosphorous acidBAYER AG·Filed 1977·Granted Apr 6, 1982·7 cites·14 claims
- 3573US4223127APolyamides from 2,4'-diaminodicyclohexyl methaneBAYER AG·Filed 1978·Granted Sep 16, 1980·18 cites·9 claims
- 3672US4430504ASilyl ethers, a process for their production and their use as polymerization initiatorsBAYER AG·Filed 1982·Granted Feb 7, 1984·8 cites·4 claims
- 3772US3983306AComposite sheet structuresBAYER AG·Filed 1974·Granted Sep 28, 1976·21 cites·5 claims
- 3871US5238570AAsymmetric semipermeable membranes of aromatic polycondensates, processes for their preparation and their useBAYER AG·Filed 1992·Granted Aug 24, 1993·33 cites·16 claims
- 3971US4754001AThermosetting cyanate resin and the use thereof for the production of composite materials and IPNsBAYER AG·Filed 1986·Granted Jun 28, 1988·15 cites·7 claims
- 4071US4607070APolyether-copolycarbonates for dialysis membranesBAYER AG·Filed 1984·Granted Aug 19, 1986·23 cites·18 claims
- 4171US3935138APulverulent bindersBAYER AG·Filed 1974·Granted Jan 27, 1976·14 cites·3 claims
- 4270US4919514AOptical fibres based on polycarbonate fibres, and a process for the production thereofBAYER AG·Filed 1989·Granted Apr 24, 1990·23 cites·10 claims
- 4370US4248978APulverulent coating compositionBAYER AG·Filed 1979·Granted Feb 3, 1981·16 cites·1 claims
- 4470US4129537AAir-drying acrylate lacquer bindersBAYER AG·Filed 1977·Granted Dec 12, 1978·14 cites·4 claims
- 4569US3966836APulverulent coating materialsBAYER AG·Filed 1974·Granted Jun 29, 1976·19 cites·9 claims
- 4668US4964890AAromatic polyether ketonesBAYER AG·Filed 1989·Granted Oct 23, 1990·28 cites·9 claims
- 4768US4895921AWater soluble or dispersible blocked polyisocyanates and a process for their preparation and useBAYER AG·Filed 1988·Granted Jan 23, 1990·15 cites·8 claims
- 4868US4631319AThermosetting cyanate resin and the use thereof for the production of composite materials and IPNsBAYER AG·Filed 1985·Granted Dec 23, 1986·22 cites·7 claims
- 4968US4611034ABranched thermoplastically processible impact-resistant polyamidesBAYER AG·Filed 1985·Granted Sep 9, 1986·12 cites·7 claims
- 5067US5043403APolycarbonates containing mesogenic compounds as end groups, their preparation and their useBAYER AG·Filed 1989·Granted Aug 27, 1991·14 cites·7 claims
Showing the top 50 of 152 patent records by PatentIndex Score.
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