Inventor
MARYAM SEPEHR
Inventor
US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions36%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions36%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds27%
PatentTitleYear
12,595,324Ethylene copolymers and use as viscosity modifiers202612,503,665Ethylene-propylene branched copolymers as viscosity modifiers202512,163,104Bimodal copolymer compositions useful as oil modifiers and lubricating oils comprising the same202411,926,802Lubricating oil composition with viscosity modifier based on syndiotactic propylene-based ethylene- propylene copolymers with improved properties2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024–2025Patents assigned to CHEVRON ORONITE CO (3)· patent assignee history
2024–2026Patents assigned to EXXONMOBIL CHEMICAL PATENTS INC (3)· patent assignee history
2024–2026Based in US· patent location history
2026Patents assigned to CHEVRON ORONITE COMPANY LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEVRON ORONITE CO | 3 | 2024–2025 |
| EXXONMOBIL CHEMICAL PATENTS INC | 3 | 2024–2026 |
| CHEVRON ORONITE COMPANY LLC | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 4 | 2024–2026 |