DONGHUA UNIVERSITY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D01D MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS522
 
  
 
D01F CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 530
 
  
 
D02J FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES, OR THE LIKE 46
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 384
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
B82Y SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; MEASUREMENT OR ANALYSIS OF NANO-STRUCTURES; MANUFACTURE  OR TREATMENT OF NANO-STRUCTURES152

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9644290 Process of melt-spinning polyacrylonitrile fiberOct 20, 14May 09, 17[D01D, B05D, D02J, D01F]
9476147 Gel spinning process for producing a pan-based precursor fiberOct 20, 14Oct 25, 16[D01D, B05D, D02J, D01F]
9428850 Process of making pan-based carbon fiberOct 20, 14Aug 30, 16[D01D, C01B, B05D, D02J, D01F]
9334586 Process of melt-spinning polyacrylonitrile fiberOct 20, 14May 10, 16[D01D, B05D, D02J, D01F]
8906278 Process of melt-spinning polyacrylonitrile fiberJan 11, 10Dec 09, 14[D01D, B82Y, D02J, D01F]

Expired/Abandoned/Withdrawn Patents

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