Inventor

Frederick S. Yein

Inventor
Kalamazoo, MI, US

Overview

2→
Patents
1986–1989
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds29%
C07JSteroids29%
G01NInvestigating or analysing materials by determining their chemical or physical properties29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to TEXAS A & M UNIV SYS (1)· patent assignee history
1986Patents assigned to UPJOHN CO (1)· patent assignee history
1986–1989Based in Kalamazoo, MI, US· patent location history
1989Patents assigned to BALDWIN THOMAS O (1)· patent assignee history
1989Patents assigned to HOLZMAN THOMAS F (1)· patent assignee history
1989Patents assigned to SATOH PAUL S (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BALDWIN THOMAS O11989
HOLZMAN THOMAS F11989
SATOH PAUL S11989
TEXAS A & M UNIV SYS11986
UPJOHN CO11986
Locations
LocationPatentsSpan
Kalamazoo, MI, US21986–1989