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Inventor

Calvin R. Messing

Inventor
Spencerport, NY, US

Overview

4→
Patents
1989–1998
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
C07DHeterocyclic compounds17%
G03CPhotosensitive materials for photographic purposes17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
5,747,345'Calcium specific diaza-18-crown-6-ether chromoionophores'19985,696,193'Immunoassay elements comprising polymers containing vandium IV (V+4) ions'19975,516,645'Immunoassay analytical elements containing vanadium IV(V.sup.+4)ions'19964,885,233'Mercury and benzothiazolium salt stabilization of a photographic recording material'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to EASTMAN KODAK CO (1)· patent assignee history
1989–1998Based in Spencerport, NY, US· patent location history
1996–1998Patents assigned to JOHNSON & JOHNSON CLIN DIAG (2)· patent assignee history
1997Patents assigned to CLINICAL DIAGNOSTIC SYST (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNSON & JOHNSON CLIN DIAG21996–1998
CLINICAL DIAGNOSTIC SYST11997
EASTMAN KODAK CO11989
Locations
LocationPatentsSpan
Spencerport, New York, US41989–1998