CELGARD, INC.

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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 7147
 
  
 
B01D SEPARATION 2132
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0149,182 MULTILAYER MICROPOROUS SEPARATORS FOR LITHIUM ION SECONDARY BATTERIES AND RELATED METHODSNov 24, 15May 26, 16[H01M]
2015/0270,520 EMBOSSED MICROPOROUS MEMBRANE BATTERY SEPARATOR MATERIALS AND METHODS OF MANUFACTURE AND USE THEREOFMar 19, 15Sep 24, 15[B29C, H01M]
2012/0177,976 HIGH MELT TEMPERATURE MICROPOROUS LITHIUM-ION RECHARGEABLE BATTERY SEPARATORS AND METHODS OF PREPARATION AND USEJul 29, 11Jul 12, 12[H01M, H01G]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9274068 Methods related to X-ray sensitive battery separatorsSep 21, 15Mar 01, 16[H01M, G01N]
9112214 Battery separator and method of making sameMar 07, 07Aug 18, 15[H01M, B32B]
7981549 Separator for a battery having a zinc electrodeJul 13, 10Jul 19, 11[H01M]
7794511 Battery separator for lithium polymer batteryFeb 06, 07Sep 14, 10[B05D, H01M]
7638049 Three-port high performance mini hollow fiber membrane contactorMar 30, 04Dec 29, 09[B01D]
7264725 Hollow fiber membrane contactor and method of making sameMar 04, 04Sep 04, 07[B01D]
5134174 Polypropylene microporous filmOct 31, 91Jul 28, 92[B29C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0115,976 CONTINUOUS WEB INLINE TESTING APPARATUS, DEFECT MAPPING SYSTEM AND RELATED METHODSAbandonedOct 23, 14Apr 30, 15[G01R]
2005/0287,425 Li/MnO2 battery separators with selective ion transportAbandonedJun 25, 04Dec 29, 05[H01M]
2005/0244,717 Battery separator with antistatic propertiesAbandonedApr 30, 04Nov 03, 05[H01M, B32B]
2005/0208,372 Separator for a battery having a zinc electrodeAbandonedMar 18, 04Sep 22, 05[H01M]
2005/0202,163 Method of making a composite microporous membraneAbandonedMar 09, 04Sep 15, 05[B05D]
2005/0202,306 Direct methanol fuel cellAbandonedMar 11, 04Sep 15, 05[H01M]
2005/0193,551 Method of preventing short circuiting in a lithium ion batteryAbandonedMar 04, 04Sep 08, 05[H01M]
2005/0172,513 Breathable sole structure for footwearAbandonedFeb 10, 04Aug 11, 05[A43B]
2005/0170,153 Printable thin microporous membraneAbandonedFeb 02, 04Aug 04, 05[B41M]
2005/0031,941 Explosion-proof separator for Li-ion secondary batteriesAbandonedJul 22, 03Feb 10, 05[H01M]
5938922 Contactor for degassing liquidsExpiredAug 19, 97Aug 17, 99[B01D]
5049275 Modified microporous structuresExpiredJun 15, 90Sep 17, 91[C08J]
4976897 Composite porous membranes and methods of making the sameExpiredDec 16, 87Dec 11, 90[B01D]
4973434 Immobilized liquid membraneExpiredNov 29, 89Nov 27, 90[B01D]
4957620 Liquid chromatography using microporous hollow fibersExpiredNov 15, 88Sep 18, 90[B01D]
4774365 Pervaporation process for separating alcohols from ethersExpiredNov 25, 87Sep 27, 88[C07C]
4650730 Battery separatorExpiredMay 16, 85Mar 17, 87[H01M]
4541981 Method for preparing a uniform polyolefinic microporous hollow fiberExpiredJun 13, 83Sep 17, 85[B29D]
4438185 Hydrophilic polymer coated microporous membranes capable of use as a battery separatorExpiredSep 03, 82Mar 20, 84[H01M]
4405688 Microporous hollow fiber and process and apparatus for preparing such fiberExpiredFeb 18, 82Sep 20, 83[D02G]

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