WESTLAKE LONGVIEW CORPORATION
Patent Owner
Stats
- 92 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 18, 2016 most recent publication
Details
- 92 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 723 Total Citation Count
- Feb 28, 1992 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
8653207 Process and apparatus for polymerizing ethylene under ultra-high pressureNov 30, 12Feb 18, 14[C08F, B01J]
8198384 Method for preventing or reducing clogging of a fines ejectorJan 10, 11Jun 12, 12[C08F, B01J]
8129482 Method of preventing or reducing polymer agglomeration on grid in fluidized-bed reactorsFeb 27, 08Mar 06, 12[C08F, C09B, B01J]
8124697 Method of preventing or reducing agglomeration on grid in fluidized-bed vesselFeb 27, 08Feb 28, 12[C08F, C09B, B01J]
7977436 Process and apparatus for olefin polymerization in a fluidized bed reactorMar 31, 10Jul 12, 11[C08F, B01J]
7939025 Gas distribution plate for fluidized-bed olefin polymerization reactorsNov 30, 07May 10, 11[F27B, B01J]
7893180 Process for the polymerization of olefins; novel polyethylenes, and films and articles produced therefromAug 20, 07Feb 22, 11[C08F]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2013/0317,270 SIMPLIFIED PROCESS TO PREPARE POLYOLEFINS FROM SATURATED HYDROCARBONSAbandonedJul 31, 13Nov 28, 13[C07C]
2007/0270,558 Pulsing olefin polymerization fluidized-bed reactorsAbandonedOct 23, 06Nov 22, 07[C08F]
2007/0249,793 Simplified process to prepare polyolefins from saturated hydrocarbonsAbandonedApr 19, 06Oct 25, 07[C08F]
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