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Inventor

Daniel F. Zweifel

Inventor
Hirzel, CH

Overview

4→
Patents
2013–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C10Mprimary
C10MLubricating compositions50%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions50%
PatentTitleYear
10,655,078Fatty amine ethoxylate in polyalkylene glycol based engine oils20209,057,038'Corrosion inhibiting polyalkylene glycol-based lubricant compositions'20158,592,357'Polyalkylene glycol lubricant composition'20138,357,644'Polyalkylene glycol lubricant composition'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (4)· patent assignee history
2013Patents assigned to THOEN JOHAN A (1)· patent assignee history
2013Patents assigned to WOYDT MATHIAS (1)· patent assignee history
2013–2015Based in Hirzel, CH· patent location history
2015Patents assigned to GREAVES MARTIN R (1)· patent assignee history
2015Patents assigned to ZAUGG-HOOZEMANS EVELYN A (1)· patent assignee history
2020Based in Horgen, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW GLOBAL TECHNOLOGIES LLC42013–2020
GREAVES MARTIN R12015
THOEN JOHAN A12013
WOYDT MATHIAS12013
ZAUGG-HOOZEMANS EVELYN A12015
Locations
LocationPatentsSpan
Hirzel, CH32013–2015
Horgen, CH12020