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Inventor

Johan E. DeWitte

Inventor
Moerbeeklaan, BE

Overview

4→
Patents
1998–2002
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds27%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds27%
C07DHeterocyclic compounds18%
Y10TTechnical subjects covered by former us classification18%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials9%
PatentTitleYear
6,365,769'Perfluoroalkyl halides and derivatives'20026,309,752'Substrate having high initial water repellency and a laundry durable water repellency'20016,048,952'Perfluoroalkyl halides and derivatives'20005,852,148'Perfluoroalkyl halides and derivatives'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1998–2002Based in Moerbeeklaan, BE· patent location history
2000–2002Patents assigned to 3M INNOVATIVE PROPERTIES CO (3)· patent assignee history
2001Based in Westmalle, BE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO32000–2002
MINNESOTA MINING & MFG11998
Locations
LocationPatentsSpan
Moerbeeklaan, BE31998–2002
Westmalle, BE12001