US2015344507A1PendingUtilityA1

Phosphorus-containing compounds useful for making halogen-free, ignition-resistant polymers

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Assignee: BLUE CUBE IP LLCPriority: May 28, 2004Filed: Aug 11, 2015Published: Dec 3, 2015
Est. expiryMay 28, 2024(expired)· nominal 20-yr term from priority
Inventors:Joseph Gan
C07F 9/657172C08K 5/53C08K 5/5313C08L 61/14C09K 21/14C08L 63/04C08L 63/00C07F 9/6574C08L 61/00C08G 59/14C08G 59/304C09K 21/12C08G 79/04C08G 59/1488C08G 59/3254
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Claims

Abstract

Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired.

Claims

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1 - 7 . (canceled) 
     
     
         8 . An oligomeric composition comprising a phosphorus-containing compound having the formula 
       
         
           
           
               
               
           
         
       
     
     
         9 . An oligomeric composition comprising a phosphorus-containing compound having the formula 
       
         
           
           
               
               
           
         
       
     
     
         10 . An oligomeric composition comprising a phosphorus-containing compound having the formula

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