Inventor
CULLEN WALTER P
60 patents
Patents
50 patentsUS4195079AMar 25, 1980
New polycyclic ether antibiotic
PFIZER47 citations92
US4148882AApr 10, 1979
Polycyclic ether antibiotics produced by new species of actinomycete
PFIZER23 citations82
US4746650AMay 24, 1988
Polycyclic ether antibiotic
PFIZER12 citations81
US4148883AApr 10, 1979
Antibiotics produced by new species of nocardia
PFIZER24 citations80
US4605624AAug 12, 1986
Nocardia species capable of producing nargenicin C1
PFIZER6 citations74
US4543334ASep 24, 1985
Streptomyces capable of producing neutral macrolide antibacterial agents
PFIZER8 citations74
US4431801AFeb 14, 1984
Polycyclic ether antibiotic
PFIZER9 citations74
US4992423AFeb 12, 1991
Polycyclic ether antibiotics
PFIZER5 citations73
US4247462AJan 27, 1981
Ansamycin antibiotic
PFIZER7 citations73
US4224314ASep 23, 1980
Antibiotics produced by species of Nocardia
PFIZER16 citations73
US4169887AOct 2, 1979
Antibiotics produced by species of actinoplanes
PFIZER7 citations73
US4148880AApr 10, 1979
Mixture of antibiotics produced by a species of actinoplanes
PFIZER6 citations73
US4129578ADec 12, 1978
Polycyclic ether antibiotic
PFIZER12 citations73
US4022885AMay 10, 1977
Polycyclic ether antibiotic
PFIZER6 citations73
US4001397AJan 4, 1977
Antibiotic compound 41,012
PFIZER8 citations73
US5494820AFeb 27, 1996
Streptomyces braegensis strain and its cultivation in a process for producing C9 -desoxo-FK-520
PFIZER9 citations71
US4835141AMay 30, 1989
Neutral macrolide antibiotics from Streptomyces
PFIZER3 citations63
US4625041ANov 25, 1986
Acidic polycyclic ether antibiotic
PFIZER3 citations63
US4552843ANov 12, 1985
Process for producing an acidic polycyclic ether antibiotic by cultivation of a novel strain of Streptomyces endus subspecies aureus
PFIZER2 citations63
US4547523AOct 15, 1985
Polyether antibiotic from streptomyces
PFIZER3 citations63
US4533553AAug 6, 1985
Polycyclic ether antibiotic
PFIZER4 citations63
US4436747AMar 13, 1984
Nargenicin C1
PFIZER4 citations63
US4411892AOct 25, 1983
Tylosin macrolide antibiotics from streptomyces
PFIZER2 citations63
US4361649ANov 30, 1982
Polycyclic ether antibiotic
PFIZER5 citations63
US5206263AApr 27, 1993
Acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant
PFIZER3 citations62
US5147858ASep 15, 1992
Acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant
PFIZER2 citations62
US4908316AMar 13, 1990
Streptomyces sp. N664-30 which produces an ionophore antibacterial agent
PFIZER2 citations62
US4751317AJun 14, 1988
Inophore antibacterial agent from streptomyces
PFIZER5 citations62
US4496546AJan 29, 1985
Erythromycin D and esters thereof
PFIZER2 citations62
US4225674ASep 30, 1980
Process for producing new ansamycin antibiotic
PFIZER5 citations62
US4150152AApr 17, 1979
Polycyclic ether antibiotic produced by a strain of streptomyces hygroscopicus
PFIZER6 citations62
US4083963AApr 11, 1978
Polypeptide antibiotic produced by a new subspecies of streptosporangium
PFIZER4 citations62
US4032631AJun 28, 1977
Mixture of antibiotics produced by new species of micromonospora
PFIZER2 citations62
US4032632AJun 28, 1977
Mixture of antibiotics produced by new species of streptosporangium
PFIZER2 citations62
US4031206AJun 21, 1977
Antibiotics produced by species of pseudonocardia
PFIZER5 citations62
US4013789AMar 22, 1977
Mixture of antibiotics produced by new species of micromonospora
PFIZER4 citations62
US3991183ANov 9, 1976
Antibiotic produced by a species of micromonospora
PFIZER4 citations62
US5064855ANov 12, 1991
Acid polycyclic ether antibiotic
PFIZER2 citations60
US4038383AJul 26, 1977
Mixture of antibiotics produced by a species of actinoplanes
PFIZER4 citations60
US5965445AOct 12, 1999
Polycyclic ether antibiotic having anthelmintic, anticoccidial and growth promotant activity
PFIZER1 citations52
US5891727AApr 6, 1999
Acidic polycyclic ether useful as an anticoccidial agent and as a growth promotant
PFIZER0 citations52
US5494931AFeb 27, 1996
Acidic polycyclic ether antibiotic
PFIZER0 citations52
US5478735ADec 26, 1995
Process for producing acidic polycyclic ether antibiotic having anticoccidial and growth promant activity with Actinomadura
PFIZER0 citations52
US5418152AMay 23, 1995
Acidic polycyclic ether antibiotic
PFIZER0 citations52
US5403738AApr 4, 1995
Microorganism for producing polycyclic ether antibiotics
PFIZER0 citations52
US5298524AMar 29, 1994
Acidic polycyclic ether antibiotic having an anticoccidial and growth promotant activity
PFIZER0 citations52
US5158937AOct 27, 1992
Acidic polycyclic ether antibiotic having anticoccidial and growth promotant activity
PFIZER0 citations52
US5155097AOct 13, 1992
Polycyclic ether antibiotic having anthelmintic, anticoccidial and growth promotant activity
PFIZER0 citations52
US4956283ASep 11, 1990
Process for preparing macrolide antibiotics by culturing streptomyces hirsutus ATCC 53513
PFIZER1 citations52
US4652523AMar 24, 1987
Method of preparing a new polyether antibiotic from streptomyces
PFIZER1 citations52
Showing the top 50 of 60 patents by PatentIndex Score.