Inventor

Douglas Claire Hoffman

Inventor

Kingsport, TN, US

Overview

1995–2013

Patent span

Chemistry

Primary field (CPC C)

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%

C08LCompositions of macromolecular compounds16%

Y10TTechnical subjects covered by former us classification16%

B29DProducing particular articles from plastics or from substances in a plastic state8%

C08BPolysaccharides8%

C08JWorking-up8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%

G02BOptical elements, systems or apparatus8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1995–2013Patents assigned to EASTMAN CHEM CO (7)· patent assignee history

1995–1998Based in Kingsport, TN, US· patent location history

2012–2013Patents assigned to HALE WESLEY RAYMOND (2)· patent assignee history

2012–2013Patents assigned to HOFFMAN DOUGLAS CLAIRE (2)· patent assignee history

2012–2013Patents assigned to MCCREIGHT KEVIN WAYNE (2)· patent assignee history

2012Based in Yardley, PA, US· patent location history

2013Based in Johnson City, TN, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations