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Inventor

Spencer M. Krueger

Inventor
Beaverton, OR, US

Overview

2→
Patents
1978–1983
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.

C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments50%
G03CPhotosensitive materials for photographic purposes50%
PatentTitleYear
4,420,555'Photographic materials containing yellow filter dyes'19834,111,699'O-Nitro-o-azaarylidene photobleachable dyes and photographic elements utilizing them'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to EASTMAN KODAK CO (2)· patent assignee history
1978Based in Rochester, NY, US· patent location history
1983Based in Beaverton, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EASTMAN KODAK CO21978–1983
Locations
LocationPatentsSpan
Beaverton, OR, US11983
Rochester, New York, US11978