Inventor

Bruce Ronsen

Inventor
River Forest, IL, US

Overview

16→
Patents
1977–2003
Patent span
Human necessities
Primary field (CPC A)

Patents· 16 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes41%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations38%
C07DHeterocyclic compounds9%
C07HSugars9%
G03CPhotosensitive materials for photographic purposes3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to STRATEGIC MEDICAL RES CORP (1)· patent assignee history
1977Based in Chicago, IL, US· patent location history
1991Patents assigned to GREENWICH PHARMA (2)· patent assignee history
1991–2003Based in River Forest, IL, US· patent location history
1997–2003Patents assigned to PENTECH PHARMACEUTICALS INC (13)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PENTECH PHARMACEUTICALS INC131997–2003
GREENWICH PHARMA21991
STRATEGIC MEDICAL RES CORP11977
Locations
LocationPatentsSpan
River Forest, Illinois, US151991–2003
Chicago, Illinois, US11977