Peter Ermann

Person

Donaustauf, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Hereroaryl derivatives of monocyclic beta-lactam antibiotics
- Patent number 5,705,645
- Issue date Jan 6, 1998
- E. R. Squibb & Sons, Inc.
- William H. Koster
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for the preparation of heteroaryl derivatives of mono...
- Patent number 5,420,277
- Issue date May 30, 1995
- E. R. Squibb & Sons, Inc.
- William H. Koster
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclic hydrazide derivatives of monocyclic .beta.-lactam anti...
- Patent number 5,318,963
- Issue date Jun 7, 1994
- E. R. Squibb & Sons, Inc.
- Peter H. Ermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heteroaryl derivatives of monocyclic beta-lactam antibiotics
- Patent number 5,290,929
- Issue date Mar 1, 1994
- E. R. Squibb & Sons, Inc.
- William H. Koster
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-methoxy-5-methyl-pyran-3-ol natural products and derivatives thereof
- Patent number 5,270,334
- Issue date Dec 14, 1993
- E. R. Squibb & Sons, Inc.
- Joseph O'Sullivan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted pyran derivatives having antiinfective activity
- Patent number 5,266,593
- Issue date Nov 30, 1993
- E. R. Squibb & Sons, Inc.
- Peter Ermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6,7-dihydroxyquinoxalines as intermediates to beta-lactam antibiotics
- Patent number 5,037,983
- Issue date Aug 6, 1991
- E. R. Squibb & Sons, Inc.
- Joseph E. Sundeen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heteroaroylhydrazide derivatives of monocyclic beta-lactam antibiotics
- Patent number 4,904,775
- Issue date Feb 27, 1990
- E. R. Squibb & Sons, Inc.
- Joseph E. Sundeen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines
- Patent number 4,871,841
- Issue date Oct 3, 1989
- E. R. Squibb & Sons, Inc.
- Peter H. Ermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-oxo-1-(((substituted sulfonyl)amino)-carbonyl)azetidines
- Patent number 4,801,705
- Issue date Jan 31, 1989
- E. R. Squibb & Sons, Inc.
- Hermann Breuer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines
- Patent number 4,777,252
- Issue date Oct 11, 1988
- E. R. Squibb & Sons, Inc.
- William A. Slusarchyk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-hydroxy protecting groups and process for the preparation of 3-ac...
- Patent number 4,633,017
- Issue date Dec 30, 1986
- E. R. Squibb & Sons, Inc.
- Richard H. Mueller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-hydroxyl protecting groups and process and intermediates for the...
- Patent number 4,581,170
- Issue date Apr 8, 1986
- E. R. Squibb & Sons, Inc.
- Richard H. Mueller
- C07 - ORGANIC CHEMISTRY

Peter Ermann

Person

Patents Grantslast 30 patents

Hereroaryl derivatives of monocyclic beta-lactam antibiotics

Intermediates for the preparation of heteroaryl derivatives of mono...

Heterocyclic hydrazide derivatives of monocyclic .beta.-lactam anti...

Heteroaryl derivatives of monocyclic beta-lactam antibiotics

4-methoxy-5-methyl-pyran-3-ol natural products and derivatives thereof

Substituted pyran derivatives having antiinfective activity

6,7-dihydroxyquinoxalines as intermediates to beta-lactam antibiotics

Heteroaroylhydrazide derivatives of monocyclic beta-lactam antibiotics

2-Oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines

2-oxo-1-(((substituted sulfonyl)amino)-carbonyl)azetidines

2-oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines

N-hydroxy protecting groups and process for the preparation of 3-ac...

N-hydroxyl protecting groups and process and intermediates for the...