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Inventor

Beatrice M. Andrews

Inventor
Grimsby, GB

Overview

4→
Patents
1985–1989
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.

C07Dprimary
C07DHeterocyclic compounds40%
C09KMaterials for miscellaneous applications, not provided for elsewhere40%
C07CAcyclic or carbocyclic compounds20%
PatentTitleYear
4,834,905'Ring compounds'19894,630,897'Liquid crystal compounds'19864,627,933'Liquid crystalline phases containing alkylene-type bridges'19864,512,636'Liquid crystal compounds'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1989Patents assigned to SECR DEFENCE BRIT (4)· patent assignee history
1985–1989Based in Grimsby, GB· patent location history
1986–1989Patents assigned to MERCK PATENT GMBH (2)· patent assignee history
1986Based in South San Francisco, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SECR DEFENCE BRIT41985–1989
MERCK PATENT GMBH21986–1989
Locations
LocationPatentsSpan
Grimsby, GB31985–1989
South San Francisco, DE11986