DOW CHEMICAL COMPANY, THE, (50%)

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3122

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5623034 Process for producing styrenic polymerJul 22, 96Apr 22, 97[C08F]
5272229 Process for producing a styrene polymer having high degree of syndiotactic configurationDec 02, 91Dec 21, 93[C08F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5670587 Catalyst for producing aromatic vinyl compound-based polymer composition and process for producing aromatic vinyl compound-based polymer composition using sameExpiredJan 23, 96Sep 23, 97[C08F]
5612452 Process for purification of styrenic polymerExpiredJan 04, 96Mar 18, 97[C08F]
5600005 Process for producing tetrakisflorophenylborateExpiredJun 06, 95Feb 04, 97[C07F]
5554695 Styrenic copolymer and process for producing sameExpiredMay 04, 95Sep 10, 96[C08F]
5518817 Resin laminate containing syndiotactic styrene-based polymerExpiredJul 11, 94May 21, 96[B32B]
5510434 Catalyst for producing aromatic vinyl compound polymer and process for producing aromatic vinyl compound polymer by using sameExpiredNov 23, 94Apr 23, 96[C08F]
5476899 Process for produce a readily slidable filmExpiredDec 15, 93Dec 19, 95[C08L]
5475061 Process for producing styrenic copolymerExpiredJun 13, 94Dec 12, 95[C08F]
5460868 Method for using moldingExpiredAug 31, 92Oct 24, 95[C08F, B32B]
5451648 Process for producing styrenic polymerExpiredDec 27, 94Sep 19, 95[C08F]
5449746 Process for purification of styrenic polymerExpiredJan 23, 95Sep 12, 95[C08F]
5430001 Process for producing a styrene polymer and a catalyst for use thereinExpiredAug 27, 93Jul 04, 95[C08F, B01J]
5426176 Process for purification of styrenic polymerExpiredNov 03, 94Jun 20, 95[C08F]
5420240 Process for purification of syndiotactic styrene polymerExpiredMar 21, 94May 30, 95[C08F]
5418290 Styrenic block copolymers and process for producing sameExpiredSep 27, 94May 23, 95[C08F, C08L, B32B]
5412024 Thermoplastic resin compositionExpiredApr 09, 92May 02, 95[C08L]
5391626 Styrenic block copolymer and process for producing sameExpiredMay 20, 93Feb 21, 95[C08F, B32B]
5391661 Process for producing a styrenic polymer and a catalyst for use thereinExpiredFeb 02, 93Feb 21, 95[C08F]
5391671 Styrene copolymer and process for production thereofExpiredJul 09, 93Feb 21, 95[C08F]
5389431 Nonwoven fabric and process for producing sameExpiredJan 07, 93Feb 14, 95[D04H]

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