Assignee
BILLER EFIM
3 granted patents·19 citations·filing 1978–1983
Top patents by PatentIndex Score
3 records- 0148US4250114AProcess for the recovery of polyarylpolyaminesBILLER EFIM·Filed 1978·Granted Feb 10, 1981·8 cites·17 claims
- 0247US4798909AProcess for recovery of polyarylpolyaminesBILLER EFIM·Filed 1983·Granted Jan 17, 1989·9 cites·6 claims
- 0339US4270010AHydroquinone by hydrolysis of p-aminophenol or saltsBILLER EFIM·Filed 1980·Granted May 26, 1981·2 cites·6 claims
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