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Inventor

Siegfried Dzwonnek

Inventor
Pulheim, DE

Overview

2→
Patents
2000–2003
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 purposes67%
C07CAcyclic or carbocyclic compounds33%
PatentTitleYear
6,534,254'Color photographic print material'20036,015,654'Color photographic recording material'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to AGFA GEVAERT NV (1)· patent assignee history
2000–2003Based in Pulheim, DE· patent location history
2003Patents assigned to AGFA GEVAERT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGFA GEVAERT12003
AGFA GEVAERT NV12000
Locations
LocationPatentsSpan
Pulheim, DE22000–2003