Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835141 | Neutral macrolide antibiotics from Streptomyces | Walter P. Cullen, James R. Hauske, Hiroshi Maeda | 1989-05-30 |
| 4751317 | Inophore antibacterial agent from streptomyces | Walter P. Cullen, John R. Oscarson, Hiroshi Maeda | 1988-06-14 |
| 4746650 | Polycyclic ether antibiotic | Walter P. Cullen, Hiroshi Maeda, John C. Ruddock | 1988-05-24 |
| 4707493 | 19-epi-dianemycin as an anticoccidial and antibacterial agent | Walter D. Celmer, Walter P. Cullen, Hiroshi Maeda, John C. Ruddock | 1987-11-17 |
| 4652523 | Method of preparing a new polyether antibiotic from streptomyces | Walter D. Celmer, Walter P. Cullen, Hiroshi Maeda | 1987-03-24 |
| 4625041 | Acidic polycyclic ether antibiotic | Walter D. Celmer, Walter P. Cullen, Hiroshi Maeda | 1986-11-25 |
| 4605624 | Nocardia species capable of producing nargenicin C.sub.1 | Walter D. Celmer, Walter P. Cullen, Riichiro Shibakawa | 1986-08-12 |
| 4582796 | Erythromycin D and esters thereof by fermentation with Nocardia sp. ATCC 39043 | Walter D. Celmer, Walter P. Cullen, Paul Watts, Riichiro Shibakawa | 1986-04-15 |
| 4552843 | Process for producing an acidic polycyclic ether antibiotic by cultivation of a novel strain of Streptomyces endus subspecies aureus | Walter D. Celmer, Walter P. Cullen, Hiroshi Maeda | 1985-11-12 |
| 4547523 | Polyether antibiotic from streptomyces | Walter D. Celmer, Walter P. Cullen, Hiroshi Maeda | 1985-10-15 |
| 4543334 | Streptomyces capable of producing neutral macrolide antibacterial agents | Walter D. Celmer, Walter P. Cullen, Hiroshi Maeda | 1985-09-24 |
| 4533553 | Polycyclic ether antibiotic | Walter D. Celmer, Walter P. Cullen, Riichiro Shibakawa | 1985-08-06 |
| 4496546 | Erythromycin D and esters thereof | Walter D. Celmer, Walter P. Cullen, Paul Watts, Riichiro Shibakawa | 1985-01-29 |
| 4450237 | Streptomyces albus subspecies indicus | Walter D. Celmer, Walter P. Cullen, Riichiro Shibakawa | 1984-05-22 |
| 4436747 | Nargenicin C.sub.1 | Walter D. Celmer, Walter P. Cullen, Riichiro Shibakawa | 1984-03-13 |
| 4431801 | Polycyclic ether antibiotic | Walter D. Celmer, Walter P. Cullen, Riichiro Shibakawa | 1984-02-14 |
| 4411892 | Tylosin macrolide antibiotics from streptomyces | Walter D. Celmer, Walter P. Cullen, Riichiro Shibakawa | 1983-10-25 |
| 4361649 | Polycyclic ether antibiotic | Walter D. Celmer, Walter P. Cullen, Riichiro Shibakawa | 1982-11-30 |
| 4287182 | Antibiotics produced by a new microbe, Catenuloplanes japonicus | Walter D. Celmer, Walter P. Cullen, Liang H. Huang, John R. Oscarson, Riichiro Shibakawa | 1981-09-01 |
| 4247462 | Ansamycin antibiotic | Walter D. Celmer, Walter P. Cullen, John R. Oscarson, Liang H. Huang, Riichiro Shibakawa | 1981-01-27 |
| 4225674 | Process for producing new ansamycin antibiotic | Walter D. Celmer, Walter P. Cullen, John R. Oscarson, Liang H. Huang, Riichiro Shibakawa | 1980-09-30 |
| 4224314 | Antibiotics produced by species of Nocardia | Walter D. Celmer, Paul Watts, Walter P. Cullen, Liang H. Huang, Riichiro Shibakawa | 1980-09-23 |
| 4195079 | New polycyclic ether antibiotic | Walter D. Celmer, Walter P. Cullen, John R. Oscarson, Liang H. Huang, Riichiro Shibakawa | 1980-03-25 |