Assignee
VEBA CHEMIE AG
39 granted patents·435 citations·filing 1965–1980
Top patents by PatentIndex Score
39 records- 0189US3989762AProcess for the manufacture of alcohols by the hydration of olefinsVEBA CHEMIE AG·Filed 1970·Granted Nov 2, 1976·33 cites·8 claims
- 0289US3953517AProcess for preparing methyl isobutyl ketone and catalystVEBA CHEMIE AG·Filed 1973·Granted Apr 27, 1976·45 cites·5 claims
- 0384US3960672AContinuous distillation process for purifying alkanolsVEBA CHEMIE AG·Filed 1974·Granted Jun 1, 1976·27 cites·8 claims
- 0482US4142885AMethod of preparing fertilizers with retarded nutrient releaseVEBA CHEMIE AG·Filed 1977·Granted Mar 6, 1979·31 cites·14 claims
- 0577US3932357APolyurethane lacquer composition based on isophorone diisocyanate and diamine bis-aldimeVEBA CHEMIE AG·Filed 1974·Granted Jan 13, 1976·17 cites·4 claims
- 0674US4351970AMethod of preparing alcohols having two to four carbon atoms by catalytic hydration of olefinsVEBA CHEMIE AG·Filed 1980·Granted Sep 28, 1982·12 cites·14 claims
- 0773US3981921AProcess for producing ketonesVEBA CHEMIE AG·Filed 1970·Granted Sep 21, 1976·12 cites·9 claims
- 0872US4151152AStable fast-setting varnishes based on polyesters and blocked aliphatic diisocyanateVEBA CHEMIE AG·Filed 1977·Granted Apr 24, 1979·21 cites·2 claims
- 0972US4150245AHydration of olefins using vaporized phosphoric acidVEBA CHEMIE AG·Filed 1977·Granted Apr 17, 1979·9 cites·3 claims
- 1069US4212962AEpsilon-caprolactam blocked polyisocyanatesVEBA CHEMIE AG·Filed 1978·Granted Jul 15, 1980·15 cites·3 claims
- 1169US3955939AExtractive distillation of isopropyl alcohol with an ether solvent recovered from the initial feedVEBA CHEMIE AG·Filed 1973·Granted May 11, 1976·13 cites·3 claims
- 1264US4132671AProcess for the preparation of carbon black pelletsVEBA CHEMIE AG·Filed 1977·Granted Jan 2, 1979·14 cites·3 claims
- 1364US3948837AStable polyurethane dispersions and method thereforVEBA CHEMIE AG·Filed 1974·Granted Apr 6, 1976·12 cites·4 claims
- 1463US3953533AProcess for the hydration of olefins to alcoholsVEBA CHEMIE AG·Filed 1974·Granted Apr 27, 1976·6 cites·4 claims
- 1562US4246394AProcess of hardening epoxy coating composition with dicyandiamide/imidazoline derivativeVEBA CHEMIE AG·Filed 1978·Granted Jan 20, 1981·13 cites·9 claims
- 1662US4184989AThermally linkable aqueous polyurethane dispersionsVEBA CHEMIE AG·Filed 1976·Granted Jan 22, 1980·12 cites·2 claims
- 1762US3947384AMethod for making matt finish coatingsVEBA CHEMIE AG·Filed 1974·Granted Mar 30, 1976·12 cites·7 claims
- 1857US3989662ASingle component polyurethane varnish of long shelf lifeVEBA CHEMIE AG·Filed 1974·Granted Nov 2, 1976·7 cites·8 claims
- 1956US4142875AProcess for the purification of scrubbing solvents by removal of Ni(CO).sub.VEBA CHEMIE AG·Filed 1977·Granted Mar 6, 1979·17 cites·10 claims
- 2055US4036594AApparatus for recovering higher melting organic materials via fractional sublimationVEBA CHEMIE AG·Filed 1975·Granted Jul 19, 1977·18 cites·7 claims
- 2153US4001377AMethod for producing stabilized ammonium nitrateVEBA CHEMIE AG·Filed 1974·Granted Jan 4, 1977·7 cites·10 claims
- 2252US3931134AProcess and apparatus for the separating out of coarse and/or heavy particles from a variable particle size and/or variable particle weight mixture of granular solids maintained in a vortex stateVEBA CHEMIE AG·Filed 1971·Granted Jan 6, 1976·14 cites·8 claims
- 2348US4014755AMethod of refining pyromellitic acid dianhydrideVEBA CHEMIE AG·Filed 1974·Granted Mar 29, 1977·4 cites·11 claims
- 2448US4007299AMethod for making matt finish coatingsVEBA CHEMIE AG·Filed 1975·Granted Feb 8, 1977·10 cites·7 claims
- 2544US4006189AProcess for purifying glyoxalVEBA CHEMIE AG·Filed 1974·Granted Feb 1, 1977·3 cites·6 claims
- 2643US4104362AProcess for the manufacture of ammonium polyphosphateVEBA CHEMIE AG·Filed 1976·Granted Aug 1, 1978·5 cites·10 claims
- 2742US4151338AMethod for the preparation of high melting C4 -hydrocarbon resinsVEBA CHEMIE AG·Filed 1978·Granted Apr 24, 1979·4 cites·9 claims
- 2841US4113835AProcess for preparing pure synthetic calcium sulfate semihydrateVEBA CHEMIE AG·Filed 1976·Granted Sep 12, 1978·7 cites·5 claims
- 2941US4065506AContinuous process for refining glyoxalVEBA CHEMIE AG·Filed 1975·Granted Dec 27, 1977·3 cites·7 claims
- 3038US4127562AMethod of preparing coatingsVEBA CHEMIE AG·Filed 1976·Granted Nov 28, 1978·4 cites·5 claims
- 3138US4036890APreparation of organic hydroperoxidesVEBA CHEMIE AG·Filed 1965·Granted Jul 19, 1977·5 cites·9 claims
- 3236US3952040AUrea derivative containing isocyanate groupsVEBA CHEMIE AG·Filed 1974·Granted Apr 20, 1976·2 cites·3 claims
- 3335US4017520AProduction of maleic anhydride by azeotropic dehydration of maleic acid solutions derived from benzene oxidation processesVEBA CHEMIE AG·Filed 1975·Granted Apr 12, 1977·1 cites·2 claims
- 3434US4248654ASecuring substrates together with melt adhesives based on polyamidesVEBA CHEMIE AG·Filed 1976·Granted Feb 3, 1981·5 cites·5 claims
- 3533US4120980AProtein-rich foodstuffs for ruminantsVEBA CHEMIE AG·Filed 1976·Granted Oct 17, 1978·5 cites·4 claims
- 3633US4014954AMethod for preparing moldings and coatingsVEBA CHEMIE AG·Filed 1975·Granted Mar 29, 1977·3 cites·6 claims
- 3732US4250291AMelt adhesive based on polyamide from branched chain diamineVEBA CHEMIE AG·Filed 1978·Granted Feb 10, 1981·4 cites·5 claims
- 3831US4177053AMethod for the production of phosphoric acid with high contents of fertilizer-nutrientsVEBA CHEMIE AG·Filed 1976·Granted Dec 4, 1979·1 cites·16 claims
- 3922US4008315AProcess for reducing nitrogen oxide losses from certain slurries and solutions by the addition of phosphate saltsVEBA CHEMIE AG·Filed 1973·Granted Feb 15, 1977·2 cites·5 claims
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