MEMBRANA GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D03D WOVEN FABRICS; METHODS OF WEAVING; LOOMS330
 
  
 
B01D SEPARATION 1133
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5743775 Laminate for restraining organic vapors, aerosols, and biological agentsAug 29, 95Apr 28, 98[B32B]
5297591 Hollow fiber bundleMar 31, 93Mar 29, 94[D03D]
5224522 Manufacture of woven hollow fiber tapeMay 08, 92Jul 06, 93[D03D]
5171444 Dialysis membrane made of polysaccharide etherMay 31, 91Dec 15, 92[B01D]
5141031 Woven hollow fiber double weft tape with knitted selvedgeFeb 13, 91Aug 25, 92[D03D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0203,598 METHOD FOR PRODUCING FOAMED POLYMER MOLDED BODIES AND SAID FOAMED POLYMER MOLDED BODIESAbandonedMar 05, 08Aug 28, 08[C08J]
2008/0197,072 Microfiltration Membrane With Improved Filtration PropertiesAbandonedJun 03, 06Aug 21, 08[B29C, B01D]
2008/0199,401 Method for Dissolution of Gases with Short-Lived Physical Properties in a LiquidAbandonedJun 06, 06Aug 21, 08[A61K]
2007/0163,950 High-flux dialysis membrane with improved separation behaviourAbandonedFeb 15, 05Jul 19, 07[B01D]
2007/0042,183 Carrier for aqueous mediaAbandonedJun 23, 04Feb 22, 07[B32B]
6946527 Modified polymeric shaped body, method for producing the same and use thereofExpiredJul 05, 01Sep 20, 05[A61K, C08G, B01D]
2005/0170,183 Substituted polyarylether molded body, method for the production thereof and use of the sameAbandonedOct 26, 04Aug 04, 05[B05D, B32B]
6918886 Membrane module for the hemodiafiltration with integrated pre- or postdilution of the bloodExpiredSep 20, 00Jul 19, 05[A61M, B01D]
6776912 Hemodiafiltration system and methodExpiredJun 21, 02Aug 17, 04[B01D, A61M]
6632361 Shaped objects for pyrogen retention and processes for their manufactureExpiredDec 22, 00Oct 14, 03[B01D]
6451921 Block copolymers with sulfonated polyether sulfone unitsExpiredFeb 20, 01Sep 17, 02[C08F]
6410307 Membrane module for testing active substances at cellsExpiredNov 21, 01Jun 25, 02[C12M]
6383424 Method for producing foams made of polymers or polymer mixtures and moulded articles made from said foamsExpiredAug 29, 01May 07, 02[B29D]
6019925 Method of making cellulosic dialysis membraneExpiredMay 15, 97Feb 01, 00[C08J]
5853647 Process for the stabilization of the properties of cellulosic membranesExpiredFeb 26, 97Dec 29, 98[B29B, B01D]
5779815 Process for removal of lumen fillers and other soluble residues from hollow filamentsExpiredFeb 26, 96Jul 14, 98[B08B]
5470659 Hollow fibersExpiredFeb 12, 93Nov 28, 95[D02G, B01D]
5450516 Hollow fiber bundle and a method and device for its manufactureExpiredSep 27, 94Sep 12, 95[G02B]
5427684 Dialysis membrane composed of polysaccharide ether IIExpiredJun 07, 93Jun 27, 95[B01D]
5248700 Active agent containing solid structures for prolonged release of active agentsExpiredApr 21, 89Sep 28, 93[A61K]

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