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Inventor

Johan M. Beijen

Inventor
Amsterdam, NL

Overview

2→
Patents
1979–1992
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.

B29Cprimary
B29CShaping or joining of plastics33%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%
C08LCompositions of macromolecular compounds33%
PatentTitleYear
5,115,009'Polyketone polymer compositions containing a polar ester or amine lubricating compound'19924,172,875'Production of thinwalled articles'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1992Patents assigned to SHELL OIL CO (2)· patent assignee history
1979–1992Based in Amsterdam, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO21979–1992
Locations
LocationPatentsSpan
Amsterdam, NL21979–1992