NAGARJUNA FERTILIZERS AND CHEMICALS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF1069
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 5115
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 435
 
  
 
C30B SINGLE-CRYSTAL GROWTH 254
 
  
 
B82Y SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; MEASUREMENT OR ANALYSIS OF NANO-STRUCTURES; MANUFACTURE  OR TREATMENT OF NANO-STRUCTURES251
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 1166
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9701795 Halogenated polysilane and plasma-chemical process for producing the sameMay 27, 09Jul 11, 17[C01B, C08G, B01J]
9617391 Halogenated polysilane and thermal process for producing the sameMay 27, 09Apr 11, 17[C09K, C08G]
9458294 Method for removing impurities from siliconDec 06, 10Oct 04, 16[C01B, C08G, C01G]
9428618 Method for producing halogenated oligomers and/or halogenated polymers of elements of the third to fifth main groupSep 15, 09Aug 30, 16[C08G]
9353227 Method and device for producing short-chain halogenated polysilanesDec 02, 10May 31, 16[C01B, C08G]
9327987 Process for removing nonmetallic impurities from metallurgical siliconJul 29, 09May 03, 16[C01B, C30B]
9278865 Method for producing hexachlorodisilaneDec 02, 10Mar 08, 16[C01B]
9263262 Nanowires made of novel precursors and method for the production thereofMay 05, 11Feb 16, 16[C01B, H01L, B82Y, C01G, C30B]
9139702 Method for producing halogenated polysilanesDec 06, 10Sep 22, 15[C01B, C08G, C01G]
9062370 Bodies coated by SiC and method for creating SiC-coated bodiesMar 17, 10Jun 23, 15[C23C, B82Y, B32B, C22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0010,717 HYRDROGEN GENERATOR FOR FUEL CELLSAbandonedSep 25, 13Jan 09, 14[B01J]
8414863 Hydrogen and energy generation by thermal conversion of silanesExpiredJan 23, 09Apr 09, 13[C01B]
2013/0039,834 METHOD FOR PRODUCING AMMONIAAbandonedFeb 28, 11Feb 14, 13[C01C]

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