AMTEK RESEARCH INTERNATIONAL LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 13141
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 3122
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 375
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 2100
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 126
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156
 
  
 
D01D MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS126
 
  
 
D01F CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 134
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9896555 Freestanding, heat resistant microporous film for use in energy storage devicesMar 19, 10Feb 20, 18[C08J, H01M]
9847519 Freestanding, dimensionally stable microporous websMar 17, 14Dec 19, 17[C08J, H01M]
9748546 High porosity silica-containing microporous sheetsJan 23, 15Aug 29, 17[H01M]
9093694 Composite battery separatorNov 09, 10Jul 28, 15[H01M]
8592089 In-situ pore generation in lead-acid battery separator using electrolyte-soluble pore formerMay 15, 08Nov 26, 13[H01M]
7267909 Battery separators containing reactive functional groupsMay 28, 04Sep 11, 07[H01M]
6704192 Electrically conductive, freestanding microporous sheet for use in an ultracapacitorOct 10, 01Mar 09, 04[H01G]
6586138 Freestanding microporous separator including a gel-forming polymerFeb 05, 01Jul 01, 03[H01M]
6524742 Electrically conductive, freestanding microporous polymer sheetFeb 18, 00Feb 25, 03[H01M]
5928811 Gas recombinant battery separatorApr 11, 97Jul 27, 99[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0194,653 METHOD OF MAKING A RUBBER-CONTAINING POLYOLEFIN SEPARATORAbandonedJul 03, 13Jul 09, 15[B29C, H01M]
2003/0219,587 Microporous, mixed polymer phase membraneAbandonedMay 16, 03Nov 27, 03[B32B]
2002/0142,214 Multi-layer electrode assembly including a gel-forming polymer and an adhesive resin materialAbandonedMar 14, 02Oct 03, 02[H01M]
6132899 Battery Separator having different size ribs and method of making the sameExpiredOct 20, 97Oct 17, 00[H01M]
5985484 Battery separationExpiredOct 20, 97Nov 16, 99[H01M]
5789103 Battery separator and method of makingExpiredApr 11, 97Aug 04, 98[H01M, B29D]
5679479 Battery separatorExpiredMay 08, 96Oct 21, 97[H01M]
5665488 Method of making a battery separator and the battery separator produced therebyExpiredAug 16, 95Sep 09, 97[H01M]

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