Inventor

Walter D. Celmer

Inventor

New London, CT, US

Overview

1976–1987

Patent span

Chemistry

Primary field (CPC C)

Patents· 40 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture15%

C12NMicroorganisms or enzymes12%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms12%

C07GCompounds of unknown constitution10%

A61KPreparations for medical, dental or toiletry purposes8%

C07HSugars8%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%

A23KFodder5%

C07DHeterocyclic compounds4%

PatentTitleYear

4,707,493'19-epi-dianemycin as an anticoccidial and antibacterial agent'1987 4,652,523'Method of preparing a new polyether antibiotic from streptomyces'1987 4,625,041'Acidic polycyclic ether antibiotic'1986 4,605,624'Nocardia species capable of producing nargenicin C.sub.1'1986 4,582,796'Erythromycin D and esters thereof by fermentation with Nocardia sp. ATCC 39043'1986 4,552,843'Process for producing an acidic polycyclic ether antibiotic by cultivation of a novel strain of Streptomyces endus subspecies aureus'1985 4,547,523'Polyether antibiotic from streptomyces'1985 4,543,334'Streptomyces capable of producing neutral macrolide antibacterial agents'1985 4,533,553'Polycyclic ether antibiotic'1985 4,496,546'Erythromycin D and esters thereof'1985 4,450,237'Streptomyces albus subspecies indicus'1984 4,436,747'Nargenicin C.sub.1'1984 4,431,801'Polycyclic ether antibiotic'1984 4,411,892'Tylosin macrolide antibiotics from streptomyces'1983 4,361,649'Polycyclic ether antibiotic'1982 4,287,182'Antibiotics produced by a new microbe, Catenuloplanes japonicus'1981 4,247,462'Ansamycin antibiotic'1981 4,225,674'Process for producing new ansamycin antibiotic'1980 4,224,314'Antibiotics produced by species of Nocardia'1980 4,212,944'Process for producing nocardicin A'1980 4,195,079'New polycyclic ether antibiotic'1980 4,169,887'Antibiotics produced by species of actinoplanes'1979 4,150,152'Polycyclic ether antibiotic produced by a strain of streptomyces hygroscopicus'1979 4,148,880'Mixture of antibiotics produced by a species of actinoplanes'1979 4,148,883'Antibiotics produced by new species of nocardia'1979 4,148,882'Polycyclic ether antibiotics produced by new species of actinomycete'1979 4,129,578'Polycyclic ether antibiotic'1978 4,083,963'Polypeptide antibiotic produced by a new subspecies of streptosporangium'1978 4,081,532'Polycyclic ether antibiotic produced by new species of dactylosporangium'1978 4,062,945'Polycyclic ether antibiotic'1977 4,062,944'Mixture of antibiotics produced by new species of micromonospora'1977 4,048,304'Polycyclic ether antibiotic for combating insects'1977 4,038,383'Mixture of antibiotics produced by a species of actinoplanes'1977 4,032,631'Mixture of antibiotics produced by new species of micromonospora'1977 4,032,632'Mixture of antibiotics produced by new species of streptosporangium'1977 4,031,206'Antibiotics produced by species of pseudonocardia'1977 4,022,885'Polycyclic ether antibiotic'1977 4,013,789'Mixture of antibiotics produced by new species of micromonospora'1977 4,001,397'Antibiotic Compound 41,012'1977 3,991,183'Antibiotic produced by a species of micromonospora'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to PFIZER (40)· patent assignee history

1976–1987Based in New London, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PFIZER	40	1976–1987

Locations

Location	Patents	Span
New London, CT, US	40	1976–1987