Inventor · disambiguated record
Efim Biller
Also filed as: BILLER EFIM
6 granted patents·26 citations·filing 1978–2000
78Inventor score
Top patents by PatentIndex Score
6 records- 0166US6624334B1Method for production of aryl alkyl ethersHAARMANN & REIMER GMBH·Filed 2000·Granted Sep 23, 2003·6 cites·6 claims
- 0248US4250114AProcess for the recovery of polyarylpolyaminesBILLER EFIM·Filed 1978·Granted Feb 10, 1981·8 cites·17 claims
- 0347US4798909AProcess for recovery of polyarylpolyaminesBILLER EFIM·Filed 1983·Granted Jan 17, 1989·9 cites·6 claims
- 0439US4270010AHydroquinone by hydrolysis of p-aminophenol or saltsBILLER EFIM·Filed 1980·Granted May 26, 1981·2 cites·6 claims
- 0527US4297511AMethod for the manufacture of polyarylamines having methylene bridgesSULZER AG·Filed 1979·Granted Oct 27, 1981·1 cites·16 claims
- 0620US4393239AProcess for the preparation of polyaryl amines having methylene bridgesELPROCHINE AG·Filed 1980·Granted Jul 12, 1983·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →