Sterling Chemicals International, Inc.

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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 474
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
D04H MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL 229
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS128

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6110991 Friction materials containing blends of organic fibrous and particulate componentsJun 17, 97Aug 29, 00[C08J]
6083562 Methods for making antistatic fibers [and methods for making the same]Jun 22, 99Jul 04, 00[B05D]
5972499 Antistatic fibers and methods for making the sameJun 04, 97Oct 26, 99[D02G, B32B]
5919837 Friction materials containing blends of organic fibrous and particulate componentsJun 17, 97Jul 06, 99[C08J]
5889082 Method for manufacturing friction materials containing blends of organic fibrous and particulate componentsJun 17, 97Mar 30, 99[C08J]
5520866 Process for the preparation of friction materials containing blends of organic fibrous and particulate componentsApr 11, 95May 28, 96[D04H]
5472995 Asbestos-free gaskets and the like containing blends of organic fibrous and particulate componentsAug 09, 94Dec 05, 95[C08J]
5192604 Fibrillated fibers and articles made therefromMay 06, 91Mar 09, 93[B32B, D04H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5889080 Friction materials containing blends of organic fibrous and particulate componentsExpiredJun 13, 97Mar 30, 99[C08J]
5464465 Fiber bonded agglomerated ore materialsExpiredSep 02, 94Nov 07, 95[C22B]
5385978 Crimped acrylic fibers having improved thixotropic performanceExpiredJun 08, 94Jan 31, 95[D02G]
5372632 Process for producing fiber bonded agglomerated ore materialsExpiredNov 10, 93Dec 13, 94[C22B]
5362562 Crimped acrylic fibers having improved thixotropic performanceExpiredMar 12, 93Nov 08, 94[D02G]
5306782 Surface-modified polyacrylonitrile fibrous substratesExpiredAug 16, 93Apr 26, 94[C08F]
5284910 Surface-modified polyacrylonitrile fibrous substratesExpiredJul 09, 92Feb 08, 94[C08F]
5272198 Asbestos-free microdenier acrylic fiber reinforced material for gaskets and the likeExpiredMar 12, 93Dec 21, 93[C08H]
5270384 Surface-modified polyacrylonitrile fibrous substratesExpiredJun 08, 92Dec 14, 93[C08G]
5180630 Fibrillated fibers and articles made therefromExpiredSep 18, 89Jan 19, 93[B32B, D04H]
5155174 Surface-modified polyacrylonitrile fibrous substratesExpiredJul 13, 90Oct 13, 92[C08F]
4929502 Fibrillated fibers and articles made therefromExpiredOct 14, 86May 29, 90[D02G]
4904343 Non-woven activated carbon fabricExpiredNov 13, 85Feb 27, 90[A62B, B01D]
4866107 Acrylic containing friction materialsExpiredJul 26, 88Sep 12, 89[C08J]
4597843 Enhanced bulk porosity of polymer structures via plasma technologyExpiredOct 12, 84Jul 01, 86[C07C, B01D]
4565727 Non-woven activated carbon fabricExpiredApr 23, 85Jan 21, 86[B32B]
4495030 Filter paperExpiredDec 15, 83Jan 22, 85[A62B, B01D]
4459332 Flocked fabric laminate for protection against chemical agentsExpiredSep 12, 83Jul 10, 84[B32B]
4421707 Acrylic wet spinning processExpiredApr 29, 82Dec 20, 83[D01F]

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