LexDanaLexDanabeta
Inventor

Stephen A. Duffy

Inventor
Florissant, MO, US

Overview

2→
Patents
1990–1992
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.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes17%
B01DSeparation17%
C07KPeptides17%
C12NMicroorganisms or enzymes17%
C12YEnzymes17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
5,118,796'Efficient large-scale purification of immunoglobulins and derivatives'19924,898,826'Method to solubilize tissue plasminogen activator'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to INVITRON CORP (1)· patent assignee history
1990–1992Based in Florissant, MO, US· patent location history
1992Patents assigned to CENTOCOR INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CENTOCOR INC11992
INVITRON CORP11990
Locations
LocationPatentsSpan
Florissant, MO, US21990–1992