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Inventor

Francis H. Sansbury

Inventor
Sawbridgeworth, GB

Overview

2→
Patents
1996–1997
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G03Cprimary
G03CPhotosensitive materials for photographic purposes33%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices33%
B41MPrinting, duplicating, marking, or copying processes17%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments17%
PatentTitleYear
5,637,449'Hydrogen atom donor compounds as contrast enhancers for black-and-white photothermographic and thermographic elements'19975,545,507'Hydroxamic acid compounds as contrast enhancers for black-and-white photothermographic and thermographic elements'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1996–1997Based in Sawbridgeworth, GB· patent location history
1997Patents assigned to IMATION CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IMATION CORP11997
MINNESOTA MINING & MFG11996
Locations
LocationPatentsSpan
Sawbridgeworth, GB21996–1997