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Inventor

Antero Ahvenainen

Inventor
Porvoo, FI

Overview

4→
Patents
1993–1997
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds36%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
Y02PClimate change mitigation technologies in the production or processing of goods18%
PatentTitleYear
5,684,097'Process for preparing polyethylene'19975,391,654'Method for homo- or copolymerizing ethene'19955,326,835'Multi-stage process for producing polyethylene'19945,179,180'Process for the gas-phase homo- or copolymerization of alpha-olefin with a pretreated catalyst system'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1995Patents assigned to NESTE OY (3)· patent assignee history
1993Based in Kulloo, FI· patent location history
1994–1997Based in Porvoo, FI· patent location history
1997Patents assigned to BOREALIS POLYMERS OY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NESTE OY31993–1995
BOREALIS POLYMERS OY11997
Locations
LocationPatentsSpan
Porvoo, FI31994–1997
Kulloo, FI11993