Inventor

Norman William Bristow

Inventor

Nottingham, GB

Overview

5→

Patents

1976–1992

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 compounds33%

A61KPreparations for medical, dental or toiletry purposes25%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium25%

B60WConjoint control of vehicle sub-units of different type or different function8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

5,121,651'Normax quick release bracket'1992 4,120,960'Therapeutic agents'1978 3,978,226'Xanthen derivatives such as N,N\'-dimethyl-N-9-xanthenylurea and the like in anti-secretory compositions, and method of treating therewith'1976 3,957,821'Xanthenyl semicarbazides'1976 3,948,947'Thiazanthenyl semicarbazides'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to BOOTS CO LTD (4)· patent assignee history

1976Based in Nottingham, GB· patent location history

1978Based in Wollaton, GB· patent location history

1992Patents assigned to BRISTOW NORMAN W (1)· patent assignee history

1992Based in Columbus, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BOOTS CO LTD	4	1976–1978
BRISTOW NORMAN Wself	1	1992

Locations

Location	Patents	Span
Nottingham, GB	3	1976
Columbus, Georgia, US	1	1992
Wollaton, GB	1	1978