INSTITUTE OF RESEARCH AND INNOVATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
 
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5041272 Method for removing nitrogen oxides from exhaust gasesMar 19, 91Aug 20, 91[C01B, B01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0048,744 Carbon nanohorn adsorbent and process for producing the sameAbandonedOct 06, 03Mar 11, 04[B01J]
5833737 Enrichment of krypton in oxygen/nitrogen mix gasExpiredMay 20, 97Nov 10, 98[B01D]

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