Inventor · disambiguated record
Peter H. Ermann
Also filed as: ERMANN PETER · ERMANN PETER H · ERMANN PETER HANS
15 granted patents·196 citations·filing 1984–2012
92Inventor score
Top patents by PatentIndex Score
15 records- 0195US4581170AN-hydroxyl protecting groups and process and intermediates for the preparation of 3-acylamino-1-hydroxy-2-azetidinonesSQUIBB & SONS INC·Filed 1984·Granted Apr 8, 1986·52 cites·9 claims
- 0293US4777252A2-oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidinesSQUIBB & SONS INC·Filed 1987·Granted Oct 11, 1988·45 cites·20 claims
- 0393US4633017AN-hydroxy protecting groups and process for the preparation of 3-acylamino-1-hydroxy-2-azetidinonesSQUIBB & SONS INC·Filed 1985·Granted Dec 30, 1986·50 cites·2 claims
- 0467US4904775AHeteroaroylhydrazide derivatives of monocyclic beta-lactam antibioticsSQUIBB & SONS INC·Filed 1988·Granted Feb 27, 1990·8 cites·26 claims
- 0566US5290929AHeteroaryl derivatives of monocyclic beta-lactam antibioticsSQUIBB & SONS INC·Filed 1992·Granted Mar 1, 1994·17 cites·19 claims
- 0665US5037983A6,7-dihydroxyquinoxalines as intermediates to beta-lactam antibioticsSQUIBB & SONS INC·Filed 1989·Granted Aug 6, 1991·6 cites·3 claims
- 0751US5270334A4-methoxy-5-methyl-pyran-3-ol natural products and derivatives thereofSQUIBB & SONS INC·Filed 1992·Granted Dec 14, 1993·7 cites·6 claims
- 0845US8563766B2Indane derivatives for use as intermediatesERMANN PETER HANS·Filed 2010·Granted Oct 22, 2013·0 cites·9 claims
- 0942US4801705A2-oxo-1-(((substituted sulfonyl)amino)-carbonyl)azetidinesSQUIBB & SONS INC·Filed 1986·Granted Jan 31, 1989·3 cites·15 claims
- 1041US5318963AHeterocyclic hydrazide derivatives of monocyclic β-lactam antibioticsSQUIBB & SONS INC·Filed 1990·Granted Jun 7, 1994·5 cites·13 claims
- 1139US5266593ASubstituted pyran derivatives having antiinfective activitySQUIBB & SONS INC·Filed 1992·Granted Nov 30, 1993·1 cites·23 claims
- 1235US5705645AHereroaryl derivatives of monocyclic beta-lactam antibioticsSQUIBB & SONS INC·Filed 1995·Granted Jan 6, 1998·1 cites·11 claims
- 1333US9139515B2Synthesis of R-biphenylalaninolHERMSEN PETRUS JOHANNES·Filed 2012·Granted Sep 22, 2015·0 cites·7 claims
- 1433US4871841A2-Oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidinesSQUIBB & SONS INC·Filed 1987·Granted Oct 3, 1989·1 cites·12 claims
- 1530US5420277AIntermediates for the preparation of heteroaryl derivatives of monocyclic beta-lactam antiobioticsSQUIBB & SONS INC·Filed 1993·Granted May 30, 1995·0 cites·7 claims
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