WC

Walter P. Cullen

Pfizer: 41 patents #29 of 5,153Top 1%
Overall (All Time): #77,092 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 25 most recent of 41 patents

Patent #TitleCo-InventorsDate
5965445 Polycyclic ether antibiotic having anthelmintic, anticoccidial and growth promotant activity John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1999-10-12
5891727 Acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1999-04-06
5494820 Streptomyces braegensis strain and its cultivation in a process for producing C.sub.9 -desoxo-FK-520 Mark A. Guadliana, Liang H. Huang, Keiji Kaneda, Nakao Kojima, Gloria J. Kostek +3 more 1996-02-27
5494931 Acidic polycyclic ether antibiotic John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1996-02-27
5478735 Process for producing acidic polycyclic ether antibiotic having anticoccidial and growth promant activity with Actinomadura John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1995-12-26
5418152 Acidic polycyclic ether antibiotic John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1995-05-23
5403738 Microorganism for producing polycyclic ether antibiotics John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1995-04-04
5298524 Acidic polycyclic ether antibiotic having an anticoccidial and growth promotant activity John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1994-03-29
5206263 Acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1993-04-27
5158937 Acidic polycyclic ether antibiotic having anticoccidial and growth promotant activity John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1992-10-27
5155097 Polycyclic ether antibiotic having anthelmintic, anticoccidial and growth promotant activity John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1992-10-13
5147858 Acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant John P. Dirlam, Hiroshi Maeda, Junsuke Tone 1992-09-15
5100785 Polycyclic ether antibiotic Hiroshi Maeda, John C. Ruddock, Junsuke Tone 1992-03-31
5064855 Acid polycyclic ether antibiotic James R. Hauske, Gloria J. Kostek, Hiroshi Maeda, Junsuke Tone 1991-11-12
4992423 Polycyclic ether antibiotics Hiroshi Maeda, John C. Ruddock, Junsuke Tone 1991-02-12
4956283 Process for preparing macrolide antibiotics by culturing streptomyces hirsutus ATCC 53513 James R. Hauske, Hiroshi Maeda, Junsuke Tone 1990-09-11
4920050 Acidic polycyclic ether antibiotic James R. Hauske, Gloria J. Kostek, Hiroshi Maeda, Junsuke Tone 1990-04-24
4908316 Streptomyces sp. N664-30 which produces an ionophore antibacterial agent John R. Oscarson, Junsuke Tone, Hiroshi Maeda 1990-03-13
4835141 Neutral macrolide antibiotics from Streptomyces James R. Hauske, Hiroshi Maeda, Junsuke Tone 1989-05-30
4751317 Inophore antibacterial agent from streptomyces John R. Oscarson, Junsuke Tone, Hiroshi Maeda 1988-06-14
4746650 Polycyclic ether antibiotic Hiroshi Maeda, John C. Ruddock, Junsuke Tone 1988-05-24
4707493 19-epi-dianemycin as an anticoccidial and antibacterial agent Walter D. Celmer, Hiroshi Maeda, John C. Ruddock, Junsuke Tone 1987-11-17
4652523 Method of preparing a new polyether antibiotic from streptomyces Walter D. Celmer, Hiroshi Maeda, Junsuke Tone 1987-03-24
4625041 Acidic polycyclic ether antibiotic Walter D. Celmer, Hiroshi Maeda, Junsuke Tone 1986-11-25
4605624 Nocardia species capable of producing nargenicin C.sub.1 Walter D. Celmer, Riichiro Shibakawa, Junsuke Tone 1986-08-12