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Inventor

Philip D. DuBois

Inventor
Lisle, IL, US

Overview

2→
Patents
1991–1993
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.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%
C01BNon-metallic elements25%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
5,196,267'Process for coating silica spheres'19934,983,369'Process for forming highly uniform silica spheres'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to ALLIED SIGNAL INC (2)· patent assignee history
1991–1993Based in Lisle, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALLIED SIGNAL INC21991–1993
Locations
LocationPatentsSpan
Lisle, Illinois, US21991–1993