LexDanaLexDanabeta
Inventor

Karen R. Fraser-Milla

Inventor
Wilkinsburg, PA, US

Overview

2→
Patents
1989
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry29%
G01NInvestigating or analysing materials by determining their chemical or physical properties29%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes14%
PatentTitleYear
4,880,543'Supercritical fluid chromatography packing material containing alumina'19894,816,159'Supercritical fluid chromatography packing material'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to ALUMINUM CO OF AMERICA (2)· patent assignee history
1989Based in Wilkinsburg, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALUMINUM CO OF AMERICA21989
Locations
LocationPatentsSpan
Wilkinsburg, Pennsylvania, US21989