Inventor

Alan Villena

Inventor
Amsterdam, NL

Overview

8→
Patents
1992–2004
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 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 bonds44%
C08CTreatment or chemical modification of rubbers22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to SHELL RES LTD (2)· patent assignee history
1992–2004Based in Amsterdam, NL· patent location history
1993–1999Patents assigned to SHELL OIL CO (5)· patent assignee history
2004Patents assigned to KRATON POLYMERS US LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO51993–1999
SHELL RES LTD21992
KRATON POLYMERS US LLC12004
Locations
LocationPatentsSpan
Amsterdam, NL81992–2004