LexDanaLexDanabeta
Inventor

Isabel P. MacDonald

Inventor
Oxon, GB

Overview

3→
Patents
2000–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C10Mprimary
C10MLubricating compositions50%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions50%
PatentTitleYear
6,423,670'Lubricating oil compositions'20026,310,010'High molecular weight dispersant compositions and their preparation'20016,140,279'Concentrates with high molecular weight dispersants and their preparation'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2001Patents assigned to EXXON CHEMICAL PATENTS INC (2)· patent assignee history
2000Based in Wantage, GB· patent location history
2001Based in East Hendred, GB· patent location history
2002Patents assigned to INFINEUM INT LTD (1)· patent assignee history
2002Based in Oxon, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXON CHEMICAL PATENTS INC22000–2001
INFINEUM INT LTD12002
Locations
LocationPatentsSpan
Oxon, GB12002
East Hendred, GB12001
Wantage, GB12000