Assignee
WESTVACO CORP
US789 patents
Top patents by PatentIndex Score
US5710092AJan 20, 1998
Highly microporous carbon
WESTVACO CORP169 citations98
US5416056AMay 16, 1995
Production of highly microporous activated carbon products
WESTVACO CORP204 citations98
US6054021AApr 25, 2000
Process of manufacturing authenticatable paper products
WESTVACO CORP100 citations97
US6020397AFeb 1, 2000
Two-component ink jet ink system
WESTVACO CORP93 citations97
US5965483AOct 12, 1999
Highly microporous carbons and process of manufacture
WESTVACO CORP161 citations97
US5954202ASep 21, 1999
Paperboard blank for a self-contained, reclosable package
WESTVACO CORP98 citations97
US5626637AMay 6, 1997
Low pressure methane storage with highly microporous carbons
WESTVACO CORP104 citations97
US6284705B1Sep 4, 2001
Adsorptive monolith including activated carbon, method for making said monolith, and method for adsorbing chemical agents from fluid streams
WESTVACO CORP93 citations96
US5772749AJun 30, 1998
Anionic bituminous emulsions with improved adhesion
WESTVACO CORP62 citations96
US5693385ADec 2, 1997
Odor sorbing packaging material
WESTVACO CORP59 citations96
US5655661AAug 12, 1997
Wrapper for flanged tray with opening feature
WESTVACO CORP60 citations96
US5626283AMay 6, 1997
Container for food and condiments
WESTVACO CORP73 citations96
US5540916AJul 30, 1996
Odor sorbing packaging
WESTVACO CORP65 citations96
US5538929AJul 23, 1996
Phosphorus-treated activated carbon composition
WESTVACO CORP74 citations96
US5484100AJan 16, 1996
Tapered, hexagonal paperboard carton
WESTVACO CORP75 citations96
US5433374AJul 18, 1995
Venting/opening for paperboard carton
WESTVACO CORP54 citations96
US5328505AJul 12, 1994
Cationic aqueous bituminous aggregate slurries for hot climates
WESTVACO CORP58 citations96
US5320671AJun 14, 1994
Cationic aqueous bituminous aggregate slurries for hot climates
WESTVACO CORP55 citations96
US5204310AApr 20, 1993
High activity, high density activated carbon
WESTVACO CORP122 citations96
US4944451AJul 31, 1990
Compartmented flanged tray
WESTVACO CORP59 citations96
US4930639AJun 5, 1990
Ovenable food container with removable lid
WESTVACO CORP86 citations96
US4810299AMar 7, 1989
Cationic aqueous bituminous emulsion-aggregate slurries
WESTVACO CORP46 citations96
USD297214SAug 16, 1988
Paperboard carton
WESTVACO CORP76 citations96
USD290813SJul 14, 1987
Blank for an octagonal tray
WESTVACO CORP50 citations96
US4658036AApr 14, 1987
Invert emulsifiers for oil-base drilling muds
WESTVACO CORP100 citations96
USD286745SNov 18, 1986
Packaging tray for food or the like
WESTVACO CORP62 citations96
US4547224AOct 15, 1985
Emulsifiers for bituminous emulsions
WESTVACO CORP64 citations96
US4531668AJul 30, 1985
Ovenable carton with removable lid
WESTVACO CORP128 citations96
US4417655ANov 29, 1983
Shipping and display carton
WESTVACO CORP124 citations96
US4314643AFeb 9, 1982
Flip top carton
WESTVACO CORP65 citations96
US4312451AJan 26, 1982
Self standing flanged tray with integral lid
WESTVACO CORP82 citations96
US4184845AJan 22, 1980
Process for reduction of lignin color
WESTVACO CORP59 citations96
US4108350AAug 22, 1978
Carton with integral removable card
WESTVACO CORP106 citations96
US6230893B1May 15, 2001
Unit dose packaging system (udps) having a child resistant locking feature
WESTVACO CORP160 citations95
US6193827B1Feb 27, 2001
Oxygen and flavor barrier laminate including amorphous nylon
WESTVACO CORP49 citations95
US5856191AJan 5, 1999
Method for regeneration of coniferous plants by somatic embryogenesis in culture media containing abscisic acid
WESTVACO CORP57 citations95
US5677185AOct 14, 1997
Method for regeneration of coniferous plants by somatic embryogenesis in culture media containing abscisic acid
WESTVACO CORP56 citations95
US5411639AMay 2, 1995
Process for enhancing sizing efficiency in filled papers
WESTVACO CORP71 citations95
US5304527AApr 19, 1994
Preparation for high activity, high density carbon
WESTVACO CORP78 citations95
US5206207AApr 27, 1993
Preparation for high activity high density carbon
WESTVACO CORP70 citations95
US5164562ANov 17, 1992
Composite susceptor packaging material
WESTVACO CORP60 citations95
US4950510AAug 21, 1990
Multiple layer paperboard laminate
WESTVACO CORP56 citations95
US4914266AApr 3, 1990
Press applied susceptor for controlled microwave heating
WESTVACO CORP75 citations95
US4089417AMay 16, 1978
Flap lock bulk bin
WESTVACO CORP67 citations95
US4010888AMar 8, 1977
Small animal carrying case
WESTVACO CORP64 citations95
US6472343B1Oct 29, 2002
Shaped activated carbon
WESTVACO CORP67 citations94
US6412636B1Jul 2, 2002
Unit dose packaging system with child resistance and senior friendly features
WESTVACO CORP112 citations94
US6047829AApr 11, 2000
Unit dose packaging system (UDPS) having a child resistant locking feature
WESTVACO CORP226 citations94
US6010784AJan 4, 2000
Paperboard laminate for pharmaceutical blister packaging using a hot melt adhesive and calcium carbonate blend
WESTVACO CORP68 citations94
US6001904ADec 14, 1999
Shear-thinning phase change ink jet inks and method of printing therewith
WESTVACO CORP68 citations94
Showing the top 50 of 789 patents by PatentIndex Score.