Inventor

Kelvin S. Holdom

Inventor

Ramsgate, GB

Overview

14→

Patents

1988–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 14 as inventor

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

C12Nprimary

C12NMicroorganisms or enzymes17%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms17%

C07HSugars16%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture14%

A01NPreservation of bodies of humans or animals or plants or parts thereof13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%

A23KFodder4%

C07KPeptides3%

PatentTitleYear

5,840,704'Antiparasitic agents and process for their preparation'1998 5,583,015'Process for production of avermectins'1996 5,576,199'Process for production of B avermectins'1996 5,565,359'Cultures for production of B avermectins'1996 5,525,506'Process for production of avermectins and cultures therefor'1996 5,451,511'Process for the preparation of antiparasitic agents'1995 5,238,848'Cultures for production of avermectins'1993 5,234,831'Cultures for production of B avermectins'1993 5,089,480'Antiparasitic agents'1992 5,077,278'Non-natural demethylavermectins compositions and method of use'1991 4,992,369'Fermentation process for glycopeptide antibiotic'1991 4,954,482'New glycopeptide antibiotic'1990 4,920,215'Antibiotic produced by fermentation'1990 4,740,464'Fermentation process and microorganism for producing aconitic acid'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1998Patents assigned to PFIZER (14)· patent assignee history

1988–1996Based in Ramsgate, GB· patent location history

1990–1991Based in Minster, GB· patent location history

1991–1996Based in Groton, CT, US· patent location history

1995–1998Based in New York, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PFIZER	14	1988–1998

Locations

Location	Patents	Span
Ramsgate, GB	7	1988–1996
Groton, CT, US	3	1991–1996
New York, New York, US	2	1995–1998
Minster, GB	2	1990–1991