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Inventor

Julie Elward-Berry

Inventor
Houston, TX, US

Overview

2→
Patents
1991–1992
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.

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds50%
C09KMaterials for miscellaneous applications, not provided for elsewhere50%
PatentTitleYear
5,096,603'Thermally stable hydrophobically associating rheological control additives for water-based drilling fluids'19925,026,490'Zwitterionic functionalized polymers as deflocculants in water based drilling fluids'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to EXXON RESEARCH ENGINEERING CO (2)· patent assignee history
1991–1992Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXON RESEARCH ENGINEERING CO21991–1992
Locations
LocationPatentsSpan
Houston, Texas, US21991–1992