DARAMIC, 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 44110
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 4112
 
  
 
B01D SEPARATION 3131
 
  
 
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
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 276
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 264
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 194
 
  
 
A43B CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR134
 
  
 
A61L METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES 170
 
  
 
B29K INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS 130

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0054,123 SEPARATORS, BATTERIES, BATTERY STRINGS WITH IMPROVED PERFORMANCE, AND RELATED METHODSAug 10, 16Feb 23, 17[H01M]
2017/0047,615 SEPARATORS FOR FLAT PLATE BATTERIES, IMPROVED BATTERIES, AND RELATED METHODSAug 12, 16Feb 16, 17[H01M]
2016/0344,036 POLYOLEFINIC PLATE WRAPS, IMPROVED WRAPPED PLATES, IMPROVED LEAD ACID BATTERIES, AND RELATED METHODSMay 20, 16Nov 24, 16[H01M]
2016/0254,509 VAPOR PRESSURE BARRIERS FOR LEAD ACID BATTERIES FOR IMPROVED WATER LOSS PERFORMANCE, SEPARATORS, SYSTEMS, AND METHODS OF MANUFACTURE AND USE THEREOFFeb 26, 16Sep 01, 16[H01M]
2016/0126,522 BATTERY SEPARATORS, BATTERIES AND RELATED METHODSNov 05, 15May 05, 16[H01M]
2014/0255,752 LAMINATED OXIDATION PROTECTED SEPARATORMar 07, 14Sep 11, 14[H01M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9725566 Microporous material and a method of making sameNov 22, 05Aug 08, 17[C08J, B29C, H01M, B29K, C08L, B01D]
9698401 Embossed separators, batteries and methodsSep 01, 16Jul 04, 17[H01M]
9683101 Batteries, separators, components, and compositions with heavy metal removal capability and related methodsSep 22, 11Jun 20, 17[H01M, C08L]
9577234 Separator material for forming a separator for a lead-acid accumulatorJun 11, 04Feb 21, 17[H01M]
9564623 Battery separator with a conductive layer for extending the cycle life of a batterySep 27, 06Feb 07, 17[H01M]
9461291 Embossed separators, batteries and methodsNov 21, 12Oct 04, 16[H01M]
9263720 Battery separator with gel impregnated nonwoven for lead acid batteryAug 22, 13Feb 16, 16[H01M]
9190648 Lead-acid battery separator having enhanced stiffnessMay 30, 08Nov 17, 15[H01M]
8784510 Ultracapacitor and method of manufacturing the sameAug 23, 11Jul 22, 14[H01G]
8404378 Battery separator for a storage batteryApr 28, 10Mar 26, 13[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0072,610 MICROPOROUS MATERIAL AND A METHOD OF MAKING SAMEAbandonedNov 07, 16Mar 16, 17[C08J, B29C, H01M]
2005/0058,909 Use of grass lignins in thermoplasticsAbandonedSep 17, 03Mar 17, 05[H01M, C08L]
2002/0128,888 ReflexZPlanAbandonedMar 07, 01Sep 12, 02[G06F]
6403264 Lead/sulphuric acid-accumulator, separator for lead/sulphuric acid accumulators and process to reduce the formation of colored deposits in a lead/sulphuric acid accumulatorsExpiredDec 21, 99Jun 11, 02[H01M]
2002/0020,102 Fish-luring aromatic and enticing article based on porous, thermoplastic plasticAbandonedJul 30, 01Feb 21, 02[A01K]
5773079 Process for repairing battery separatorsExpiredJun 05, 95Jun 30, 98[B32B]
5618642 Battery separator with sodium sulfateExpiredJun 06, 95Apr 08, 97[H01M]
5478677 Composite gauntlet/separatorExpiredJan 18, 95Dec 26, 95[H01M]

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