Assignee
CELANESE VENTURES GMBH
DE·31 granted patents·5 pending applications·691 citations·filing 1997–2006
Top patents by PatentIndex Score
36 records- 0192US6342300B1Biodegradable polymers based on natural and renewable raw materials especially isosorbiteCELANESE VENTURES GMBH·Filed 2000·Granted Jan 29, 2002·50 cites·19 claims
- 0289US6703163B2Lithium battery and electrodeCELANESE VENTURES GMBH·Filed 2001·Granted Mar 9, 2004·41 cites·34 claims
- 0389US6541602B1Conjugated polymers containing 2,7 fluorenyl units with improved propertiesCELANESE VENTURES GMBH·Filed 1999·Granted Apr 1, 2003·57 cites·19 claims
- 0488US6723429B2Method for preparing smooth-surface spherical microparticles completely or partially made of at least one water-insoluble linear polysaccharide and microparticles produced according to this methodCELANESE VENTURES GMBH·Filed 2001·Granted Apr 20, 2004·44 cites·26 claims
- 0587US7332530B2Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cellsCELANESE VENTURES GMBH·Filed 2003·Granted Feb 19, 2008·43 cites·28 claims
- 0683US6929815B2Method of increasing the α-amylase-resistant starch content (rs content) of a polysaccharide, polysaccharides, the use thereof and food containing said polysaccharidesCELANESE VENTURES GMBH·Filed 2000·Granted Aug 16, 2005·27 cites·36 claims
- 0783US6696563B2α-Amylase-resistant polysaccharides, production method, use and foods containing these polysaccharidesCELANESE VENTURES GMBH·Filed 2000·Granted Feb 24, 2004·22 cites·19 claims
- 0883US6565640B1Compositions containing starch and/or modified starch and plasticisersCELANESE VENTURES GMBH·Filed 1998·Granted May 20, 2003·38 cites·8 claims
- 0981US7148174B2Non-metallocene catalyst systemCELANESE VENTURES GMBH·Filed 2002·Granted Dec 12, 2006·13 cites·9 claims
- 1081US6869980B2Polymer blend membranes for use in fuel cellsCELANESE VENTURES GMBH·Filed 2001·Granted Mar 22, 2005·28 cites·20 claims
- 1181US6391818B1Polybetaine stabilized platinum nanoparticles, method for the production thereof and utilization for fuel-cell catalystsCELANESE VENTURES GMBH·Filed 1998·Granted May 21, 2002·54 cites·23 claims
- 1279US6790553B1Method for producing bridged polymer membrane and fuel cellCELANESE VENTURES GMBH·Filed 2000·Granted Sep 14, 2004·17 cites·15 claims
- 1378US6790931B2Method for producing sulfonated aromatic polymers and use of the process products for producing membranesCELANESE VENTURES GMBH·Filed 2000·Granted Sep 14, 2004·24 cites·15 claims
- 1475US6187231B1Process for producing polymeric films for use as fuel cellsCELANESE VENTURES GMBH·Filed 1997·Granted Feb 13, 2001·33 cites·22 claims
- 1574US6677142B1Polysaccharides containing α-1,4-glucan chains and method for producing sameCELANESE VENTURES GMBH·Filed 1999·Granted Jan 13, 2004·25 cites·10 claims
- 1667US6632847B1Polymer composition, membrane containing said composition, method for the production and uses thereofCELANESE VENTURES GMBH·Filed 1999·Granted Oct 14, 2003·35 cites·25 claims
- 1766US7157398B2Covalently fixed nonmetallocenes, process for preparing them and their use for the polymerization of olefinsCELANESE VENTURES GMBH·Filed 2003·Granted Jan 2, 2007·6 cites·20 claims
- 1866US7029794B2Lithium battery and electrodeCELANESE VENTURES GMBH·Filed 2001·Granted Apr 18, 2006·7 cites·25 claims
- 1964US6355149B1Method for producing a membrane used to operate fuel cells and electrolyzersCELANESE VENTURES GMBH·Filed 1998·Granted Mar 12, 2002·29 cites·13 claims
- 2062US6736889B2Compositions comprising starch and/or modified starch and plasticizersCELANESE VENTURES GMBH·Filed 2003·Granted May 18, 2004·3 cites·25 claims
- 2159US6703048B1Spherical microparticles containing linear polysaccharidesCELANESE VENTURES GMBH·Filed 1998·Granted Mar 9, 2004·15 cites·6 claims
- 2254US6878803B2Method for nitrating and aminating an aryl polymerCELANESE VENTURES GMBH·Filed 2001·Granted Apr 12, 2005·2 cites·14 claims
- 2354US6548075B1Cosmetic or medical preparation for topical useCELANESE VENTURES GMBH·Filed 1999·Granted Apr 15, 2003·16 cites·18 claims
- 2452US6562459B1Method for the production of spherical microparticles consisting totally or partly of at least one water insoluble polyglucan containing branches and microparticles produced according to said methodCELANESE VENTURES GMBH·Filed 1999·Granted May 13, 2003·13 cites·32 claims
- 2549US6348516B1Method for producing solution of polymers functionalized by acid groups by microwave radiationCELANESE VENTURES GMBH·Filed 1998·Granted Feb 19, 2002·10 cites·19 claims
- 2649US2006135352A1Process for polymerizing olefins with non-metallocene catalystsCELANESE VENTURES GMBH·Filed 2006·Application pending·0 cites
- 2745US6616935B1Method of filtering UV- lightCELANESE VENTURES GMBH·Filed 1999·Granted Sep 9, 2003·10 cites·4 claims
- 2845US6352742B1Method for producing polymer electrolyte membrane and fuel cellCELANESE VENTURES GMBH·Filed 1998·Granted Mar 5, 2002·12 cites·5 claims
- 2939US6914084B1Membranes containing sulfonated polyetherketone and another polymer, method for the production and use thereofCELANESE VENTURES GMBH·Filed 1999·Granted Jul 5, 2005·10 cites·16 claims
- 3039US6593470B1Method for the production of small spherical particles containing at least one water-insoluble linear polysaccharideCELANESE VENTURES GMBH·Filed 1999·Granted Jul 15, 2003·6 cites·20 claims
- 3138US2008027175A1Novel Poly(Vinylester) Copolymers and Poly (Vinylalcohol) Copolymers and the Use ThereofCELANESE VENTURES GMBH·Filed 2004·Application pending·0 cites
- 3238US2008021185A1Novel Polyvinyl Ester and Novel Polyvinylalcohol CopolymersCELANESE VENTURES GMBH·Filed 2004·Application pending·0 cites
- 3338US2007032621A1Novel polyvinyl alcohols and novel polyvinyl alcohol copolymersCELANESE VENTURES GMBH·Filed 2004·Application pending·0 cites
- 3435US7049453B2“Constrained geometry” metallocenes, method for the production thereof and use of the same for the polymerisation of olefinsCELANESE VENTURES GMBH·Filed 2003·Granted May 23, 2006·0 cites·20 claims
- 3534US2004042789A1Method and apparatus for transferring thin films from a source position to a target positionCELANESE VENTURES GMBH·Filed 2002·Application pending·0 cites
- 3631US6746665B1Sun protection product with microparticles on the basis of water-insoluble linear polyglucanCELANESE VENTURES GMBH·Filed 1999·Granted Jun 8, 2004·1 cites·20 claims
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