NOVOLEN TECHNOLOGY HOLDINGS, C.V.

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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 14111
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7329626 Ziegler-Natta catalyst, preparation, and use for the polymerization of alkenesSep 07, 04Feb 12, 08[B01J]
7285608 Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefinsApr 21, 04Oct 23, 07[C08F]
7169864 Metallocene catalysts, their synthesis and their use for the polymerization of olefinsDec 01, 04Jan 30, 07[C08F]
7071137 Method of making a ziegler-natta catalystAug 25, 04Jul 04, 06[B01J]
6114478 Gas-phase polymerization of C.sub.2 -C.sub.8 -alk-l-enes by means of Ziegler-Natta or metallocene catalyst systemsDec 11, 97Sep 05, 00[C08F]
6093673 Polymerization system with organosilicon compoundSep 27, 99Jul 25, 00[C01B, C01G]
6013742 Process for producing improved random propylene copolymersNov 13, 97Jan 11, 00[C08F]
5773516 Propylene polymersDec 06, 96Jun 30, 98[C08F]
5744567 Random propylene copolymersDec 04, 96Apr 28, 98[C08F]
5705576 Process for controlling production of in-situ thermoplastic polyolefins and productsMay 12, 95Jan 06, 98[C08F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7459506 Segmented agitator reactorExpiredJan 10, 04Dec 02, 08[C08F]
2007/0213,204 Ziegler-Natta catalyst with in situ-generated donorAbandonedMar 10, 06Sep 13, 07[C08F]
2007/0203,299 High melt strength polypropyleneAbandonedFeb 27, 06Aug 30, 07[C08L]
7232869 Catalyst composition for olefin polymerizationExpiredMay 17, 05Jun 19, 07[C08F]
7022795 Highly crystalline propylene homopolymersExpiredMar 13, 98Apr 04, 06[C08F]
2006/0046,928 Ziegler-natta catalyst and method for making and using sameAbandonedAug 25, 04Mar 02, 06[B01J]
6831032 Ziegler-Natta catalyst and methods of making and using sameExpiredAug 19, 02Dec 14, 04[B01J]
6630544 Propylene polymerization process with enhanced catalyst activityExpiredApr 18, 02Oct 07, 03[C08F]
6521722 Gas-phase polymerization of C2-C8-alk-1-enesExpiredMar 14, 00Feb 18, 03[C08F]
6034023 Preparation of Ziegler-Natta catalyst systemsExpiredSep 10, 92Mar 07, 00[C08F]
5182341 Olefin polymerization methodExpiredMay 14, 92Jan 26, 93[C08F]
5126302 Olefin polymerization catalyst and methodsExpiredApr 30, 90Jun 30, 92[C08F]
5102964 Catalyst supportsExpiredJul 12, 91Apr 07, 92[C08F]
5049534 Catalyst supportsExpiredNov 28, 89Sep 17, 91[B01J]
4977210 Preparation of propylene/ethylene polymers of the toughened polypropylene typeExpiredAug 04, 89Dec 11, 90[C08F, C08L]
4857613 Preparation of homopolymers and copolymers of propene using a Ziegler-Natta catalyst systemExpiredAug 25, 88Aug 15, 89[C08F]
4843132 Preparation of homo- and copolymers of propene using a Ziegler-Natta catalyst systemExpiredApr 01, 88Jun 27, 89[C08F]
4745164 Preparation of homopolymers and copolymers of propylene by means of a Ziegler-Natta catalyst systemExpiredNov 14, 86May 17, 88[C08F]
4454299 Preparation of propylene/ethylene block copolymersExpiredApr 15, 83Jun 12, 84[C08F]
4442271 Preparation of propylene homopolymers or copolymersExpiredMay 26, 82Apr 10, 84[C08F]

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