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Inventor

Richard Dutta

Inventor
El Sobrante, CA, US

Overview

2→
Patents
2014–2016
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.

C10Mprimary
C10MLubricating compositions40%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions40%
C07GCompounds of unknown constitution20%
PatentTitleYear
9,328,309'Solvent extraction for preparing a salt of a sulfurized alkyl-substituted hydroxyaromatic composition'20168,772,209'Process for preparing a salt of a sulfurized alkyl-substituted hydroxyaromatic composition'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2016Patents assigned to CHEVRON ORONITE CO (2)· patent assignee history
2014Patents assigned to CHEVRON ORONITE COMPANY LLS (1)· patent assignee history
2014–2016Based in El Sobrante, CA, US· patent location history
2016Patents assigned to CAMPBELL CURTIS B (1)· patent assignee history
2016Patents assigned to DUTTA RICHARD PRAN (1)· patent assignee history
2016Patents assigned to MAHIEUX CEDRICK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEVRON ORONITE CO22014–2016
CAMPBELL CURTIS B12016
CHEVRON ORONITE COMPANY LLS12014
DUTTA RICHARD PRANself12016
MAHIEUX CEDRICK12016
Locations
LocationPatentsSpan
El Sobrante, California, US22014–2016