Derek Walker

Person

Jamesville, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
"3-Carbamoyloxy cephalosporins"
- Patent number 4,518,773
- Issue date May 21, 1985
- Bristol-Myers Company
- Robert L. Cundall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-Carbamoyloxy-cepham-4-carboxylic acid derivatives
- Patent number 4,426,520
- Issue date Jan 17, 1984
- Bristol-Myers Company
- Robert L. Cundall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 1-N-�.omega.-amino-.alpha.-hydroxyalkanoyl!kanamycin...
- Patent number 4,424,343
- Issue date Jan 3, 1984
- Bristol-Myers Company
- Martin J. Cron
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-Amino penam derivatives
- Patent number 4,407,755
- Issue date Oct 4, 1983
- Bristol-Myers Company
- Robert L. Cundall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cepham compounds
- Patent number 4,374,982
- Issue date Feb 22, 1983
- Bristol-Myers Company
- Robert L. Cundall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of penicillins
- Patent number 4,351,766
- Issue date Sep 28, 1982
- Bristol-Myers Company
- Derek Walker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 1-N-[.omega.-amino-.alpha.-hydroxyalkanoyl]aminoglyc...
- Patent number 4,347,354
- Issue date Aug 31, 1982
- Bristol-Myers Company
- Martin J. Cron
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-Carbamoyloxymethyl-penicillin derivatives
- Patent number 4,322,347
- Issue date Mar 30, 1982
- Bristol-Myers Company
- Robert L. Cundall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin intermediates
- Patent number 4,316,016
- Issue date Feb 16, 1982
- Bristol-Myers Company
- Derek Walker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin intermediates
- Patent number 4,316,017
- Issue date Feb 16, 1982
- Bristol-Myers Company
- Derek Walker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing carbamoyl substituted penams and carbamoyl su...
- Patent number 4,310,459
- Issue date Jan 12, 1982
- Bristol-Myers Company
- Robert L. Cundall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of penicillins
- Patent number 4,310,458
- Issue date Jan 12, 1982
- Bristol-Myers Company
- Derek Walker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of penicillins
- Patent number 4,278,600
- Issue date Jul 14, 1981
- Bristol-Myers Company
- Derek Walker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trimethylsilyl substituted penicillins
- Patent number 4,240,960
- Issue date Dec 23, 1980
- Bristol-Myers Company
- Derek Walker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of cephalosporins
- Patent number 4,223,135
- Issue date Sep 16, 1980
- Bristol-Myers Company
- Derek Walker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chemical process
- Patent number 4,176,131
- Issue date Nov 27, 1979
- Bristol-Myers Company
- Kun M. Shih
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Solid or gel polymers containing a plurality of free hydrazone groups
- Patent number 4,076,913
- Issue date Feb 28, 1978
- Glaxo Laboratories Limited
- Derek Walker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Derek Walker

Person

Patents Grantslast 30 patents

"3-Carbamoyloxy cephalosporins"

3-Carbamoyloxy-cepham-4-carboxylic acid derivatives

Preparation of 1-N-�.omega.-amino-.alpha.-hydroxyalkanoyl!kanamycin...

6-Amino penam derivatives

Cepham compounds

Production of penicillins

Preparation of 1-N-[.omega.-amino-.alpha.-hydroxyalkanoyl]aminoglyc...

2-Carbamoyloxymethyl-penicillin derivatives

Cephalosporin intermediates

Cephalosporin intermediates

Process for producing carbamoyl substituted penams and carbamoyl su...

Production of penicillins

Production of penicillins

Trimethylsilyl substituted penicillins

Production of cephalosporins

Chemical process

Solid or gel polymers containing a plurality of free hydrazone groups