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Inventor

Floyd L. Pfeffer

Inventor
Midland, MI, US

Overview

4→
Patents
2012–2013
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.

C07Dprimary
C07DHeterocyclic compounds100%
PatentTitleYear
8,476,464'Alkylene oxide purification systems'20138,257,558'Alkylene oxide purification systems'20128,183,400'Alkylene oxide recovery systems'20128,129,551'Alkylene oxide recovery systems'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2013Patents assigned to ANDRESEN HARVEY E (4)· patent assignee history
2012–2013Patents assigned to DOW TECHNOLOGY INVESTMENTS LLC (4)· patent assignee history
2012–2013Patents assigned to FAIRCHILD PHILLIP R (4)· patent assignee history
2012–2013Patents assigned to MCCAIN JAMES H (4)· patent assignee history
2012–2013Patents assigned to NEWMAN KENT E (4)· patent assignee history
2012Based in Midland, MI, US· patent location history
2013Based in Canyon Lake, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ANDRESEN HARVEY E42012–2013
DOW TECHNOLOGY INVESTMENTS LLC42012–2013
FAIRCHILD PHILLIP R42012–2013
MCCAIN JAMES H42012–2013
NEWMAN KENT E42012–2013
Locations
LocationPatentsSpan
Midland, MI, US32012
Canyon Lake, Texas, US12013