LexDanaLexDanabeta
Inventor

David Previs

Inventor
Acworth, GA, US

Overview

2→
Patents
2012–2013
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.

B01Dprimary
B01DSeparation25%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds25%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients25%
C08LCompositions of macromolecular compounds25%
PatentTitleYear
8,507,597'Polymeric defoamer additive'20138,236,889'Polymeric defoamer additive'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2013Patents assigned to KEMIRA CHEMICALS INC (2)· patent assignee history
2012–2013Patents assigned to MARTIN JAMES (2)· patent assignee history
2012–2013Patents assigned to PREVIS DAVID (2)· patent assignee history
2012–2013Patents assigned to ROSENCRANCE SCOTT (2)· patent assignee history
2012–2013Patents assigned to WILSON ROBERT (2)· patent assignee history
2012–2013Based in Acworth, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KEMIRA CHEMICALS INC22012–2013
MARTIN JAMES22012–2013
PREVIS DAVIDself22012–2013
ROSENCRANCE SCOTT22012–2013
WILSON ROBERT22012–2013
Locations
LocationPatentsSpan
Acworth, Georgia, US22012–2013