WELLMAN, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0221,472 Polyester Resins for High-Strength ArticlesAbandonedNov 20, 09Sep 02, 10[B32B, C08K]
2009/0176,046 Polyester Resins for High-Strength ArticlesAbandonedDec 15, 08Jul 09, 09[B32B, C08K]
2009/0093,600 Methods for Making Polyester Resins in Falling Film Melt Polycondensation ReactorsAbandonedOct 27, 08Apr 09, 09[C08F]
2008/0274,317 Polyester Resins for High-Efficiency Injection MoldingAbandonedMay 21, 08Nov 06, 08[C08K, B32B]
2008/0009,574 Polyamide-Polyester Polymer Blends and Methods of Making the SameAbandonedJul 20, 07Jan 10, 08[C08G, C08K]
2007/0231,519 Method and Apparatus for High Denier Hollow Spiral FiberAbandonedJun 11, 07Oct 04, 07[D01D]
2007/0225,410 Imide-Modified Polyester ResinsAbandonedMay 24, 07Sep 27, 07[C08G]
2007/0142,537 Methods for Making Polyester Resins Having Reduced Frictional PropertiesAbandonedFeb 02, 07Jun 21, 07[C08G, C08K]
2007/0059,465 Polyester Resins for High-Strength ArticlesAbandonedAug 21, 06Mar 15, 07[B32B]
2007/0059,511 Low density foamed polymersAbandonedFeb 28, 06Mar 15, 07[B32B]
7001664 Method and apparatus for high denier hollow spiral fiberExpiredSep 27, 04Feb 21, 06[D01F]
2005/0261,462 Methods of making titanium-catalyzed polyester resinsAbandonedMay 20, 04Nov 24, 05[C08G]
2005/0255,139 Polymeric compositions with embedded pesticidal desiccantsAbandonedMay 12, 05Nov 17, 05[A01N]
6832904 Apparatus for cooling and finishing melt-spun filamentsExpiredAug 15, 02Dec 21, 04[D01D]
2004/0254,551 [ABSORBENT CORE STRUCTURE FOR HYGIENE PRODUCTS ]AbandonedJun 11, 03Dec 16, 04[A61F]
2004/0077,246 Highly absorbent polyester fibersAbandonedOct 17, 02Apr 22, 04[B32B]
2003/0216,095 Synthetic filament having a cross-section based upon an ellipseAbandonedMay 14, 02Nov 20, 03[D02G]
6383635 Melt spinning colored polycondensation polymersExpiredAug 31, 99May 07, 02[D02G, B32B]
6335422 Method of preparing modified polyester bottle resinsExpiredMay 08, 01Jan 01, 02[C08G]
6284866 Method of preparing modified polyester bottle resinsExpiredDec 07, 99Sep 04, 01[C08G]

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