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Inventor

Margaret M. Walker

Inventor
Apple Valley, MN, US

Overview

4→
Patents
1993–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C07Kprimary
C07KPeptides22%
C12NMicroorganisms or enzymes22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
A61KPreparations for medical, dental or toiletry purposes11%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
5,993,935'Covalently reactive particles incorporated in a continous porous matrix'19995,403,902'Polymeric supports'19955,292,840'Polymeric supports'19945,200,471'Biomolecules covalently immobilized with a high bound specific biological activity and method of preparing same'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1995Patents assigned to MINNESOTA MINING & MFG (3)· patent assignee history
1993Based in St. Paul, MN, US· patent location history
1994–1999Based in Apple Valley, MN, US· patent location history
1999Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG31993–1995
3M INNOVATIVE PROPERTIES CO11999
Locations
LocationPatentsSpan
Apple Valley, Minnesota, US31994–1999
St. Paul, Minnesota, US11993