Inventor

Roland L. Walters

Inventor

Barrington, IL, US

Overview

5→

Patents

1980–1995

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

C07Dprimary

C07DHeterocyclic compounds31%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium23%

G01NInvestigating or analysing materials by determining their chemical or physical properties23%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%

C07CAcyclic or carbocyclic compounds8%

PatentTitleYear

5,463,027'Fluorescence polarazation immunoassay for tetrahydrocannabinoids'1995 5,264,373'Fluorescence polarization immunoassay for tetrahydrocannabinoids'1993 5,144,030'Fluorescene polarization immunoassay for tetrahydrocannabinoids'1992 4,503,056'1-(Pyridazinyl)pyrazoline derivatives'1985 4,220,801'Process for making 4-aroyl-substituted phenoxyacetic acids'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1995Patents assigned to ABBOTT LAB (5)· patent assignee history

1980–1985Based in Des Plaines, IL, US· patent location history

1992–1993Based in Barrington, IL, US· patent location history

1995Based in Bristol, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ABBOTT LAB	5	1980–1995

Locations

Location	Patents	Span
Barrington, Illinois, US	2	1992–1993
Des Plaines, Illinois, US	2	1980–1985
Bristol, WI, US	1	1995