Inventor

Julian M. Wallis

Inventor

Harlow, GB

Overview

5→

Patents

1995–1998

Patent span

Physics

Primary field (CPC G)

Patents· 5 as inventor

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

G03Cprimary

G03CPhotosensitive materials for photographic purposes50%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%

C08HDerivatives of natural macromolecular compounds10%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

PatentTitleYear

5,851,751'Photographic materials with improved image tone'1998 5,800,974'Silver halide imaging materials'1998 5,716,773'Alteration of image tone in black and white photographic materials'1998 5,578,411'Rapid-access medical X-ray film and process'1996 5,470,699'Hardening of gelatin-containing layers'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1998Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history

1995–1998Based in Harlow, GB· patent location history

1996–1998Patents assigned to IMATION CORP (3)· patent assignee history

1998Based in Cheshunt, GB· patent location history

1998Based in Pinnacles, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IMATION CORP	3	1996–1998
MINNESOTA MINING & MFG	2	1995–1998

Locations

Location	Patents	Span
Harlow, GB	3	1995–1998
Cheshunt, GB	1	1998
Pinnacles, GB	1	1998