Inventor

Lester A. Dolak

Inventor
Plainwell, MI, US

Overview

18→
Patents
1977–1987
Patent span
Chemistry
Primary field (CPC C)

Patents· 18 as inventor

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

C12Pprimary
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture20%
C12NMicroorganisms or enzymes18%
C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
C07HSugars12%
C07DHeterocyclic compounds9%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%
C07GCompounds of unknown constitution2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1987Patents assigned to UPJOHN CO (18)· patent assignee history
1977–1987Based in Plainwell, MI, US· patent location history
1978–1985Based in Kalamazoo, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UPJOHN CO181977–1987
Locations
LocationPatentsSpan
Plainwell, MI, US91977–1987
Kalamazoo, MI, US91978–1985