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Inventor

Birger Johannessen

Inventor
Maplewood, MN, US

Overview

4→
Patents
1989–1998
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.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds50%
C06BExplosives or thermic compositions25%
C07CAcyclic or carbocyclic compounds25%
PatentTitleYear
5,741,997'Low polydispersity glycidyl azide polymer'19985,565,650'Non-detonable poly(glycidyl azide) product'19965,164,521'Primary hydroxyl-terminated polyglycidyl azide'19924,879,419'Hydroxyl-terminated polyepichlorohydrin polymers'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1998Patents assigned to MINNESOTA MINING & MFG (4)· patent assignee history
1989–1992Based in St. Paul, MN, US· patent location history
1996–1998Based in Maplewood, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG41989–1998
Locations
LocationPatentsSpan
Maplewood, Minnesota, US21996–1998
St. Paul, Minnesota, US21989–1992