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Inventor

Otello Farias

Inventor
Rome, IT

Overview

5→
Patents
1989–2006
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds50%
B01DSeparation33%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
PatentTitleYear
7,105,700'Process for the synthesis of mixtures of methane diphenyl diamine and its higher homologues with a controlled isomer distribution'20066,936,737'Process for the synthesis of mixtures of methane diphenyl diamine and its higher homologues with a controlled isomer distribution'20056,380,433'Process for the production of diaminodiphenylmethane and its higher homologues'20025,019,631'Alkylene oxide modified poly(2,6-dimethyl-p-oxyphenylene)'19914,879,036'Asymmetrical membrane of polyester-amide and process for preparing it'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to ENIRICERCHE SPA (2)· patent assignee history
1989–2006Based in Rome, IT· patent location history
2002Patents assigned to ENI SPA (1)· patent assignee history
2002Patents assigned to ENICHEM SPA (1)· patent assignee history
2002Patents assigned to ENITECNOLOGIE SPA (1)· patent assignee history
2005–2006Patents assigned to DOW GLOBAL TECHNOLOGIES INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW GLOBAL TECHNOLOGIES INC22005–2006
ENIRICERCHE SPA21989–1991
ENI SPA12002
ENICHEM SPA12002
ENITECNOLOGIE SPA12002
Locations
LocationPatentsSpan
Rome, IT51989–2006