Assignee
TENNECO CANADA INC
CA·30 granted patents·625 citations·filing 1984–1992
Top patents by PatentIndex Score
30 records- 0197US4806215ACombined process for production of chlorine dioxide and sodium hydroxideTENNECO CANADA INC·Filed 1988·Granted Feb 21, 1989·97 cites·3 claims
- 0295US4683039AMembrane pervaporation processTENNECO CANADA INC·Filed 1985·Granted Jul 28, 1987·117 cites·15 claims
- 0388US4915927AProduction of chloric acidTENNECO CANADA INC·Filed 1988·Granted Apr 10, 1990·41 cites·9 claims
- 0484US5198080AElectrochemical processing of aqueous solutionsTENNECO CANADA INC·Filed 1991·Granted Mar 30, 1993·41 cites·76 claims
- 0577US4853096AProduction of chlorine dioxide in an electrolytic cellTENNECO CANADA INC·Filed 1988·Granted Aug 1, 1989·22 cites·20 claims
- 0673US5174868AChlorine dioxide generation from chloric acidTENNECO CANADA INC·Filed 1990·Granted Dec 29, 1992·23 cites·46 claims
- 0773US4767510AElectrolytic protection of chlorine dioxideTENNECO CANADA INC·Filed 1987·Granted Aug 30, 1988·18 cites·14 claims
- 0870US5116595AMetathesis of acidic by-product of chlorine dioxide generating processTENNECO CANADA INC·Filed 1991·Granted May 26, 1992·22 cites·75 claims
- 0970US4678655AAcid recovery in clorine dioxide generationTENNECO CANADA INC·Filed 1984·Granted Jul 7, 1987·25 cites·24 claims
- 1068US4627969AProduction of chlorine dioxideTENNECO CANADA INC·Filed 1984·Granted Dec 9, 1986·19 cites·10 claims
- 1165US5122240AElectrochemical processing of aqueous solutionsTENNECO CANADA INC·Filed 1990·Granted Jun 16, 1992·28 cites·4 claims
- 1261US5066477AProduction of chlorine dioxideTENNECO CANADA INC·Filed 1990·Granted Nov 19, 1991·21 cites·26 claims
- 1359US5110366ASparger system for discharge of bulk material from hopper carsTENNECO CANADA INC·Filed 1991·Granted May 5, 1992·20 cites·3 claims
- 1459US4729817AProcess for the oxidative delignification of demethylated chemical pulpTENNECO CANADA INC·Filed 1985·Granted Mar 8, 1988·10 cites·5 claims
- 1554US4731169ASelective removal of chlorine from solutions of chlorine dioxide and chlorineTENNECO CANADA INC·Filed 1986·Granted Mar 15, 1988·9 cites·12 claims
- 1651US5222512ASparger system for discharge of bulk material from hopper carsTENNECO CANADA INC·Filed 1992·Granted Jun 29, 1993·16 cites·2 claims
- 1751US4704259ARemoval of chromium from cell liquorTENNECO CANADA INC·Filed 1986·Granted Nov 3, 1987·8 cites·41 claims
- 1850US4802959AElectrosynthesis of persulfateTENNECO CANADA INC·Filed 1987·Granted Feb 7, 1989·6 cites·12 claims
- 1949US4780304AAcid introduction in chlorine dioxide productionTENNECO CANADA INC·Filed 1987·Granted Oct 25, 1988·9 cites·11 claims
- 2048US4980142APreparation of phosphorous acidTENNECO CANADA INC·Filed 1990·Granted Dec 25, 1990·11 cites·20 claims
- 2148US4692228ARemoval of arsenic from acidsTENNECO CANADA INC·Filed 1986·Granted Sep 8, 1987·14 cites·16 claims
- 2245US4699701AElectrochemical removal of chromium from chlorate solutionsTENNECO CANADA INC·Filed 1986·Granted Oct 13, 1987·5 cites·12 claims
- 2342US4773975AElectrochemical removal of hypochlorites from chlorate cell liquorsTENNECO CANADA INC·Filed 1986·Granted Sep 27, 1988·5 cites·15 claims
- 2442US4738719ASteel making fluxTENNECO CANADA INC·Filed 1987·Granted Apr 19, 1988·6 cites·9 claims
- 2541US5013530ASparger system for discharge of bulk material from hopper carsTENNECO CANADA INC·Filed 1990·Granted May 7, 1991·10 cites·1 claims
- 2638US5002615ASparger system for discharge of bulk material from hopper carsTENNECO CANADA INC·Filed 1988·Granted Mar 26, 1991·7 cites·3 claims
- 2732US4762697ARemoval of phosphorus from mudTENNECO CANADA INC·Filed 1986·Granted Aug 9, 1988·7 cites·7 claims
- 2831US4834848AElectrical removal of chromium from chlorate solutionsTENNECO CANADA INC·Filed 1988·Granted May 30, 1989·1 cites·21 claims
- 2931US4773974AProduction of hexavalent chromium for use in chlorate cellsTENNECO CANADA INC·Filed 1986·Granted Sep 27, 1988·5 cites·15 claims
- 3029US4931268AProduction of chlorine dioxideTENNECO CANADA INC·Filed 1989·Granted Jun 5, 1990·2 cites·13 claims
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