John Clark Sheehan

Person

Lexington, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Oxygen analogs of cephalosporins
- Patent number 4,622,394
- Issue date Nov 11, 1986
- Massachusetts Institute of Technology
- John C. Sheehan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-Oxygen analogs of cephalosporins
- Patent number 4,456,755
- Issue date Jun 26, 1984
- Massachusetts Institute of Technology
- John C. Sheehan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulphur analogs of cephalosporins having a nucleophile substituted...
- Patent number 4,381,300
- Issue date Apr 26, 1983
- Massachusetts Institute of Technology
- John C. Sheehan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbon analogs of penicillin
- Patent number 4,361,514
- Issue date Nov 30, 1982
- Massachusetts Institute of Technology
- John C. Sheehan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbon and oxygen analogs of penicillin
- Patent number 4,282,149
- Issue date Aug 4, 1981
- Massachusetts Institute of Technology
- John C. Sheehan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulphur analogs of penicillins having a nucleophile substituted in...
- Patent number 4,265,882
- Issue date May 5, 1981
- Massachusetts Institute of Technology
- John C. Sheehan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbon and oxygen analogs of penicillin
- Patent number 4,143,046
- Issue date Mar 6, 1979
- Massachusetts Institute of Technology
- John C. Sheehan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-Sulfur analogs of penicillins and cephalosporins
- Patent number 4,093,625
- Issue date Jun 6, 1978
- Massachusetts Institute of Technology
- Thomas J. Commons
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel heterocyclic esters of benzopyranopyridines
- Patent number 4,042,694
- Issue date Aug 16, 1977
- Sharps Associates
- Louis Selig Harris
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of heterocyclic esters of 5H-[1]benzopyrano [3,4-b]pyridines as...
- Patent number 4,020,163
- Issue date Apr 26, 1977
- Sharps Associates
- Louis Selig Harris
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Heterocyclic esters of benzopyranopyridines
- Patent number 3,991,194
- Issue date Nov 9, 1976
- Sharps Associates
- Louis Selig Harris
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Morpholine containing esters of thienobenzopyrans and thiopyranoben...
- Patent number 3,972,880
- Issue date Aug 3, 1976
- Sharps Associates
- Louis Selig Harris
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Esters of thienobenzopyrans and thiopyranobenzopyrans
- Patent number 3,960,871
- Issue date Jun 1, 1976
- Sharps Associates
- Louis Selig Harris
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclic esters of benzopyrans
- Patent number 3,941,782
- Issue date Mar 2, 1976
- Sharps Associates
- Louis Selig Harris
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Displacement of the thiazolidine ring in penicillin with the format...
- Patent number 3,939,151
- Issue date Feb 17, 1976
- Massachusetts Institute of Technology
- John C. Sheehan
- C07 - ORGANIC CHEMISTRY

John Clark Sheehan

Person

Patents Grantslast 30 patents

Oxygen analogs of cephalosporins

7-Oxygen analogs of cephalosporins

Sulphur analogs of cephalosporins having a nucleophile substituted...

Carbon analogs of penicillin

Carbon and oxygen analogs of penicillin

Sulphur analogs of penicillins having a nucleophile substituted in...

Carbon and oxygen analogs of penicillin

6-Sulfur analogs of penicillins and cephalosporins

Novel heterocyclic esters of benzopyranopyridines

Use of heterocyclic esters of 5H-[1]benzopyrano [3,4-b]pyridines as...

Heterocyclic esters of benzopyranopyridines

Morpholine containing esters of thienobenzopyrans and thiopyranoben...

Esters of thienobenzopyrans and thiopyranobenzopyrans

Heterocyclic esters of benzopyrans

Displacement of the thiazolidine ring in penicillin with the format...