Company:  HUDSON TECHNOLOGIES INC / ... (HDSN)
Form Type:  SC 13G/A
Filing Date:  2/1/2012 
CIK:  0000925528 
Address:  PO BOX 1541
ONE BLUE HILL PLAZA, 14TH FLOOR
 
City, State, Zip:  PEARL RIVER, New York 10965 
Telephone:  (845) 735-6000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$3.94  
Change: 
0.00 (0.00%)  
Trade Time: 
May 20  
Market Cap: 
$97.50M
Description of Business
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  FORM SC 13G/A