Inventor · disambiguated record
Utah Tsao
Also filed as: SY ANGEL · TSAO UTAH
32 granted patents·509 citations·filing 1972–1989
97Inventor score
Top patents by PatentIndex Score
32 records- 0195US4714109AGas cooling with heat recoveryTSAO UTAH·Filed 1986·Granted Dec 22, 1987·108 cites·19 claims
- 0295US4129604AReactor effluent quench systemLUMMUS CO·Filed 1976·Granted Dec 12, 1978·35 cites·3 claims
- 0392US4134926AProduction of ethylene from ethanolLUMMUS CO·Filed 1977·Granted Jan 16, 1979·67 cites·4 claims
- 0490US3968200AReactor effluent quench systemLUMMUS CO·Filed 1972·Granted Jul 6, 1976·20 cites·12 claims
- 0589US4198212ACoal gasification effluent treatmentLUMMUS CO·Filed 1978·Granted Apr 15, 1980·33 cites·8 claims
- 0685US4042640AOxychlorination of hydrocarbonsLUMMUS CO·Filed 1975·Granted Aug 16, 1977·17 cites·7 claims
- 0778US4074660AWaste heat recovery from high temperature reaction effluentsLUMMUS CO·Filed 1975·Granted Feb 21, 1978·26 cites·9 claims
- 0878US3963584ARecovery of 1,2-dichloroethane from vinyl chloride production effluentLUMMUS CO·Filed 1974·Granted Jun 15, 1976·9 cites·3 claims
- 0970US4113786AHydrogen chloride recoveryLUMMUS CO·Filed 1976·Granted Sep 12, 1978·8 cites·7 claims
- 1069US4385964AMethod for preventing the undesirable condensation of aluminum chloride in a fractional distillation columnALUMINUM CO OF AMERICA·Filed 1982·Granted May 31, 1983·14 cites·18 claims
- 1169US4315802AProcess and apparatus for fractionating close boiling components of a multi-component systemLUMMUS CO·Filed 1980·Granted Feb 16, 1982·17 cites·4 claims
- 1268US4039597ACarbon dioxide removal from chlorinated hydrocarbon production systemLUMMUS CO·Filed 1975·Granted Aug 2, 1977·7 cites·10 claims
- 1365US3992460APurging of tars and carbon from chlorinated hydrocarbon effluentLUMMUS CO·Filed 1974·Granted Nov 16, 1976·6 cites·6 claims
- 1465US3948622ASeparation of aqueous hydrogen chloride from gaseous chlorinated hydrocarbonsLUMMUS CO·Filed 1974·Granted Apr 6, 1976·11 cites·12 claims
- 1561US4391880ARecovery of heat and vaporized material from a reaction effluentLUMMUS CO·Filed 1981·Granted Jul 5, 1983·19 cites·4 claims
- 1660US4246417ATreatment of waste water from nitrile productionLUMMUS CO·Filed 1978·Granted Jan 20, 1981·16 cites·7 claims
- 1756US4071571AControl of molten salt oxidation in production of chlorinated hydrocarbonsLUMMUS CO·Filed 1976·Granted Jan 31, 1978·4 cites·6 claims
- 1854US4190639ARecovery of hydrogen chloride in carbo-chlorination of metal oxidesLUMMUS CO·Filed 1978·Granted Feb 26, 1980·6 cites·8 claims
- 1952US4002719ARecovery of nickel and cobalt carbonates from ammoniacal leach solutionsLUMMUS CO·Filed 1975·Granted Jan 11, 1977·7 cites·6 claims
- 2051US4476160AFluidized bed systemLUMMUS CO·Filed 1982·Granted Oct 9, 1984·6 cites·4 claims
- 2150US4193944APurging of inerts in chlorinated hydrocarbon productionLUMMUS CO·Filed 1978·Granted Mar 18, 1980·3 cites·10 claims
- 2249US4360405AProcess for fractionating close boiling components of a multi-component systemLUMMUS CO·Filed 1981·Granted Nov 23, 1982·12 cites·5 claims
- 2349US4094915ARecovery of 12-dichloroethane from vinyl chloride production effluentLUMMUS CO·Filed 1976·Granted Jun 13, 1978·2 cites·13 claims
- 2448US4765398AVaporization of liquidsLUMMUS CREST INC·Filed 1987·Granted Aug 23, 1988·12 cites·8 claims
- 2548US4342735AStripping of aqueous ammonium carbonate solutionLUMMUS CO·Filed 1981·Granted Aug 3, 1982·5 cites·10 claims
- 2647US4975181AProcess and apparatus for ethylene productionTSAO UTAH·Filed 1989·Granted Dec 4, 1990·11 cites·25 claims
- 2746US4243650AHeat and volatized salt recovery from reaction effluentLUMMUS CO·Filed 1979·Granted Jan 6, 1981·9 cites·27 claims
- 2839US4502997ATreatment of purge gasLUMMUS CO·Filed 1983·Granted Mar 5, 1985·6 cites·16 claims
- 2938US4028427AAqueous stream treatment in chlorinated hydrocarbon productionLUMMUS CO·Filed 1975·Granted Jun 7, 1977·5 cites·10 claims
- 3038US3985816ASeparation of 1,1-dichloroethane from 1,2-dichloroethaneLUMMUS CO·Filed 1975·Granted Oct 12, 1976·1 cites·4 claims
- 3133US3946114AProcess for making protein from hydrocarbonsLUMMUS CO·Filed 1973·Granted Mar 23, 1976·2 cites·4 claims
- 3230US4698219ATreatment of waste from iron ore reductionLUMMUS CREST INC·Filed 1983·Granted Oct 6, 1987·5 cites·6 claims
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