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Inventor

Cornelis Petrus Valkering

Inventor
Amsterdam, NL

Overview

1→
Patents
1998
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds50%
C09DCoating compositions, e.g. paints, varnishes or lacquers50%
PatentTitleYear
5,854,335'Bituminous composition with diene/monovinyl aromatic block copolymer'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to SHELL OIL CO (1)· patent assignee history
1998Based in Amsterdam, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO11998
Locations
LocationPatentsSpan
Amsterdam, NL11998