Assignee
DAVY INTERNATIONAL AG
DE·17 granted patents·360 citations·filing 1977–1981
Top patents by PatentIndex Score
17 records- 0190US4329516AProcess for the production of methyl t-butyl etherDAVY INTERNATIONAL AG·Filed 1980·Granted May 11, 1982·40 cites·8 claims
- 0285US4302434AProcess for producing hydrogen and sulphur from hydrogen sulphideDAVY INTERNATIONAL AG·Filed 1980·Granted Nov 24, 1981·41 cites·14 claims
- 0385US4254246AColumn system process for polyester plantsDAVY INTERNATIONAL AG·Filed 1979·Granted Mar 3, 1981·60 cites·8 claims
- 0485US4182659AMethod of concentrating a water-containing glycolDAVY INTERNATIONAL AG·Filed 1977·Granted Jan 8, 1980·31 cites·13 claims
- 0576US4285871AProcess for continuously separating phthalic anhydride from the reaction gases of the catalytic oxidation of o-xylene and/or naphthaleneDAVY INTERNATIONAL AG·Filed 1979·Granted Aug 25, 1981·12 cites·11 claims
- 0672US4285870AProcess for continuously separating phthalic anhydride from the reaction gases of the catalytic oxidation of o-xylene and/or naphthaleneDAVY INTERNATIONAL AG·Filed 1979·Granted Aug 25, 1981·10 cites·15 claims
- 0771US4361538AContinuous moving bed reactor for manufacture of high molecular weight polyethylene terephthalateDAVY INTERNATIONAL AG·Filed 1981·Granted Nov 30, 1982·31 cites·2 claims
- 0868US4309402AProcess and apparatus for production of elemental sulfurDAVY INTERNATIONAL AG·Filed 1980·Granted Jan 5, 1982·17 cites·16 claims
- 0967US4296088AHeat exchange techniques for the catalytic oxidation of gaseous sulfur compounds to sulfur trioxideDAVY INTERNATIONAL AG·Filed 1979·Granted Oct 20, 1981·19 cites·13 claims
- 1066US4314891AProcess for reconcentrating moist glycolDAVY INTERNATIONAL AG·Filed 1980·Granted Feb 9, 1982·22 cites·6 claims
- 1166US4249921ASulphur condensing apparatusDAVY INTERNATIONAL AG·Filed 1978·Granted Feb 10, 1981·16 cites·5 claims
- 1262US4273620AProcess for reconcentrating moist glycolDAVY INTERNATIONAL AG·Filed 1978·Granted Jun 16, 1981·16 cites·8 claims
- 1361US4305919AProcess and plant equipment for the short-term propulsion of one or several turbines coupled to an air and/or nitrous gas compressor in a plant for the production of nitric acidDAVY INTERNATIONAL AG·Filed 1979·Granted Dec 15, 1981·13 cites·13 claims
- 1455US4315904AProcess for removing hydrogen sulphide and sulphur dioxide from claus tail gasesDAVY INTERNATIONAL AG·Filed 1980·Granted Feb 16, 1982·17 cites·18 claims
- 1538US4233264AApparatus for producing a gaseous hydrocarbon/air mixture and for the catalytic oxidation of this mixtureDAVY INTERNATIONAL AG·Filed 1978·Granted Nov 11, 1980·3 cites·11 claims
- 1635US4263211AProcess for the recovery of maleic anhydride from gases containing maleic anhydrideDAVY INTERNATIONAL AG·Filed 1980·Granted Apr 21, 1981·7 cites·7 claims
- 1730US4349354AFurnace for gasifying granular fuelsDAVY INTERNATIONAL AG·Filed 1980·Granted Sep 14, 1982·5 cites·5 claims
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