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Inventor

Richard D. Tarr

Inventor
Gainesville, FL, US

Overview

4→
Patents
1987–1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds50%
C07DHeterocyclic compounds33%
G03CPhotosensitive materials for photographic purposes17%
PatentTitleYear
4,946,962'Bis(thiazolinethiones)'19904,898,923'Polypyridinium copolymer'19904,841,021'Polypyridinium'19894,659,801'Thiazolinethione-containing polymer'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1990Patents assigned to MINNESOTA MINING & MFG (4)· patent assignee history
1987–1990Based in Gainesville, FL, US· patent location history
1989–1990Based in Toledo, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG41987–1990
Locations
LocationPatentsSpan
Gainesville, Florida, US21987–1990
Toledo, OH, US21989–1990