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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 375
 
  
 
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
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2118
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE37095 Extruded polymer foam with filler particles and methodMay 04, 99Mar 13, 01[C08J, B29C]
5660926 High equivalent weight polyester polyols for closed cell, rigid foamsDec 09, 96Aug 26, 97[C08G, B32B]
5605940 High equivalent weight polyester polyols for closed cell, rigid foamsFeb 13, 95Feb 25, 97[C08G]
5424014 Method for extruding foamable polymer materialNov 01, 93Jun 13, 95[B29C]
5192607 Dispersant for carbon black-filled foamJul 31, 92Mar 09, 93[B05D, B32B]
5137930 Dispersant for carbon black-filled foamJan 21, 92Aug 11, 92[C08J]
5095042 Method for making rigid polyisocyanurate foamAug 23, 91Mar 10, 92[C08J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8088482 Expandable microspheres for foam insulation and methodsExpiredMay 24, 02Jan 03, 12[B32B]
7709543 Flammable blowing agent control and blend systems for PUR/PIR foamExpiredAug 16, 02May 04, 10[C08J]
7435762 Fire resistant foam and foam products, method and dispersions for making sameExpiredMar 26, 01Oct 14, 08[C08J]
7291234 Continuous feed system for producing structural insulated panelsExpiredJul 31, 03Nov 06, 07[B29C]
2007/0193,677 Method for manufacturing composite foam productsAbandonedApr 11, 07Aug 23, 07[B29C, B32B]
7230036 Foam insulation made with expandable microspheres and methodsExpiredMay 24, 02Jun 12, 07[C08J]
2005/0042,436 Composite foam products and methodAbandonedMar 08, 04Feb 24, 05[D21H, B32B]
6022912 Expansion of polymeric microspheres insitu in a rigid PUR/PIR foam formulation using a twin screw extruderExpiredSep 22, 98Feb 08, 00[C08J, B29C, B29D, C08L, C08K]
5149722 Dispersant for carbon black-filled foamExpiredAug 28, 91Sep 22, 92[C08J]
4795763 Carbon black-filled foamExpiredApr 18, 88Jan 03, 89[C08G]

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