Inventor
David L. Hartsock
Inventor
Bartlesville, OK, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds43%
C08JWorking-up29%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
9,469,752'Cold flow resistant compositions containing rubber and a block copolymer'20168,933,171'Cold flow resistant compositions containing rubber and a block copolymer'20157,351,767'Composition for monovinylrenic-based shrink label films'20087,193,014'Binary and ternary blends comprising monovinylarene/conjugated diene block copolymers and monovinylarene/alkyl (meth)acrylate copolymers'20075,777,030'Blends of a styrenic polymer and monovinylaren/conjugated diene block copolymers'19985,185,400'Reduction of residual volatiles in styrene polymers'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1998Patents assigned to PHILLIPS PETROLEUM CO (2)· patent assignee history
1993–2016Based in Bartlesville, OK, US· patent location history
2007–2015Patents assigned to CHEVRON PHILLIPS CHEMICAL CO (3)· patent assignee history
2016Patents assigned to CHEVRON PHILIPS CHEMICAL COMPANY LP (1)· patent assignee history
2016Patents assigned to CHEVRON PHILLIPS CHEMICAL CO LP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEVRON PHILLIPS CHEMICAL CO | 3 | 2007–2015 |
| PHILLIPS PETROLEUM CO | 2 | 1993–1998 |
| CHEVRON PHILIPS CHEMICAL COMPANY LP | 1 | 2016 |
| CHEVRON PHILLIPS CHEMICAL CO LP | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bartlesville, OK, US | 6 | 1993–2016 |