Assignee
WESTVACO CORP
US·789 granted patents·18 pending applications·20,964 citations·filing 1971–2004
Top patents by PatentIndex Score
807 records- 0198US5416056AProduction of highly microporous activated carbon productsWESTVACO CORP·Filed 1993·Granted May 16, 1995·204 cites·5 claims
- 0298USD297214SPaperboard cartonWESTVACO CORP·Filed 1984·Granted Aug 16, 1988·76 cites·1 claims
- 0398US4658036AInvert emulsifiers for oil-base drilling mudsWESTVACO CORP·Filed 1985·Granted Apr 14, 1987·100 cites·17 claims
- 0498USD286745SPackaging tray for food or the likeWESTVACO CORP·Filed 1984·Granted Nov 18, 1986·62 cites·1 claims
- 0597US5856191AMethod for regeneration of coniferous plants by somatic embryogenesis in culture media containing abscisic acidWESTVACO CORP·Filed 1997·Granted Jan 5, 1999·57 cites·19 claims
- 0697US5710092AHighly microporous carbonWESTVACO CORP·Filed 1995·Granted Jan 20, 1998·169 cites·5 claims
- 0797US5626637ALow pressure methane storage with highly microporous carbonsWESTVACO CORP·Filed 1995·Granted May 6, 1997·104 cites·4 claims
- 0897US4531668AOvenable carton with removable lidWESTVACO CORP·Filed 1984·Granted Jul 30, 1985·128 cites·3 claims
- 0996US6230893B1Unit dose packaging system (udps) having a child resistant locking featureWESTVACO CORP·Filed 2000·Granted May 15, 2001·160 cites·4 claims
- 1096US6020397ATwo-component ink jet ink systemWESTVACO CORP·Filed 1997·Granted Feb 1, 2000·93 cites·36 claims
- 1196US5965483AHighly microporous carbons and process of manufactureWESTVACO CORP·Filed 1994·Granted Oct 12, 1999·161 cites·7 claims
- 1296US5677185AMethod for regeneration of coniferous plants by somatic embryogenesis in culture media containing abscisic acidWESTVACO CORP·Filed 1996·Granted Oct 14, 1997·56 cites·8 claims
- 1396USD290813SBlank for an octagonal trayWESTVACO CORP·Filed 1985·Granted Jul 14, 1987·50 cites·1 claims
- 1496US4677086AShaped wood-based active carbonWESTVACO CORP·Filed 1984·Granted Jun 30, 1987·118 cites·16 claims
- 1596USD285777SPackaging tray for food or the likeWESTVACO CORP·Filed 1984·Granted Sep 23, 1986·42 cites·1 claims
- 1696US4547224AEmulsifiers for bituminous emulsionsWESTVACO CORP·Filed 1984·Granted Oct 15, 1985·64 cites·20 claims
- 1796US4417655AShipping and display cartonWESTVACO CORP·Filed 1982·Granted Nov 29, 1983·124 cites·2 claims
- 1896US4370199AEnzymatic catalyzed biocide systemWESTVACO CORP·Filed 1981·Granted Jan 25, 1983·135 cites·5 claims
- 1996US4133495AStretchable material rewinding machineWESTVACO CORP·Filed 1978·Granted Jan 9, 1979·58 cites·3 claims
- 2096US4131564ALignin-containing dye dispersing compositionWESTVACO CORP·Filed 1978·Granted Dec 26, 1978·30 cites·2 claims
- 2196US4001202AProcess for making sulfonated lignin surfactantsWESTVACO CORP·Filed 1975·Granted Jan 4, 1977·39 cites·7 claims
- 2295US6412636B1Unit dose packaging system with child resistance and senior friendly featuresWESTVACO CORP·Filed 2001·Granted Jul 2, 2002·112 cites·13 claims
- 2395US6047829AUnit dose packaging system (UDPS) having a child resistant locking featureWESTVACO CORP·Filed 1998·Granted Apr 11, 2000·226 cites·6 claims
- 2495US5731203AMethod for regeneration of coniferous plants by somatic embryogenesisWESTVACO CORP·Filed 1996·Granted Mar 24, 1998·34 cites·12 claims
- 2595US5413930AMethod for regeneration of coniferous plants by somatic embryogenesisWESTVACO CORP·Filed 1993·Granted May 9, 1995·87 cites·32 claims
- 2695US4521336AProcess for preparing lignosulfonatesWESTVACO CORP·Filed 1984·Granted Jun 4, 1985·33 cites·10 claims
- 2795US4312451ASelf standing flanged tray with integral lidWESTVACO CORP·Filed 1979·Granted Jan 26, 1982·82 cites·2 claims
- 2895US4184845AProcess for reduction of lignin colorWESTVACO CORP·Filed 1975·Granted Jan 22, 1980·59 cites·7 claims
- 2995US4108350ACarton with integral removable cardWESTVACO CORP·Filed 1977·Granted Aug 22, 1978·106 cites·1 claims
- 3094US6284705B1Adsorptive monolith including activated carbon, method for making said monolith, and method for adsorbing chemical agents from fluid streamsWESTVACO CORP·Filed 2000·Granted Sep 4, 2001·93 cites·14 claims
- 3194US6193827B1Oxygen and flavor barrier laminate including amorphous nylonWESTVACO CORP·Filed 2000·Granted Feb 27, 2001·49 cites·15 claims
- 3294USD363192SDivided food trayWESTVACO CORP·Filed 1994·Granted Oct 17, 1995·58 cites·1 claims
- 3394US4184866ASustained release pesticide compositions and process for making sameWESTVACO CORP·Filed 1975·Granted Jan 22, 1980·33 cites·2 claims
- 3494US4069063ACement compositionWESTVACO CORP·Filed 1976·Granted Jan 17, 1978·128 cites·17 claims
- 3593US6472343B1Shaped activated carbonWESTVACO CORP·Filed 2001·Granted Oct 29, 2002·67 cites·12 claims
- 3693US5304527APreparation for high activity, high density carbonWESTVACO CORP·Filed 1992·Granted Apr 19, 1994·78 cites·3 claims
- 3793US5206207APreparation for high activity high density carbonWESTVACO CORP·Filed 1992·Granted Apr 27, 1993·70 cites·14 claims
- 3893US5204310AHigh activity, high density activated carbonWESTVACO CORP·Filed 1992·Granted Apr 20, 1993·122 cites·15 claims
- 3993US4810299ACationic aqueous bituminous emulsion-aggregate slurriesWESTVACO CORP·Filed 1988·Granted Mar 7, 1989·46 cites·7 claims
- 4093US4244728ACross-linked lignin gelsWESTVACO CORP·Filed 1976·Granted Jan 13, 1981·58 cites·5 claims
- 4192US6054021AProcess of manufacturing authenticatable paper productsWESTVACO CORP·Filed 1999·Granted Apr 25, 2000·100 cites·6 claims
- 4292US5540916AOdor sorbing packagingWESTVACO CORP·Filed 1995·Granted Jul 30, 1996·65 cites·2 claims
- 4392US5292480AAcid-anhydride esters as oil field corrosion inhibitorsWESTVACO CORP·Filed 1993·Granted Mar 8, 1994·58 cites·19 claims
- 4492US5276000APreparation for high activity, high density carbonWESTVACO CORP·Filed 1992·Granted Jan 4, 1994·64 cites·15 claims
- 4592US4427636AMethod and apparatus for making ozoneWESTVACO CORP·Filed 1981·Granted Jan 24, 1984·72 cites·9 claims
- 4691US6045656AProcess for making and detecting anti-counterfeit paperWESTVACO CORP·Filed 1998·Granted Apr 4, 2000·82 cites·7 claims
- 4791US5328505ACationic aqueous bituminous aggregate slurries for hot climatesWESTVACO CORP·Filed 1993·Granted Jul 12, 1994·58 cites·10 claims
- 4891US4930639AOvenable food container with removable lidWESTVACO CORP·Filed 1989·Granted Jun 5, 1990·86 cites·7 claims
- 4991USD290444SPackaging containerWESTVACO CORP·Filed 1984·Granted Jun 23, 1987·34 cites·1 claims
- 5091US4624694ASeed treatment method with aqueous suspension of alkali ligninWESTVACO CORP·Filed 1983·Granted Nov 25, 1986·28 cites·7 claims
Showing the top 50 of 807 patent records by PatentIndex Score.
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