Inventor

Peter R. Marsham

Inventor

Poynton, GB

Overview

14→

Patents

1976–2002

Patent span

Chemistry

Primary field (CPC C)

Patents· 14 as inventor

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

C07Dprimary

C07DHeterocyclic compounds33%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations22%

C07CAcyclic or carbocyclic compounds14%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%

A61KPreparations for medical, dental or toiletry purposes6%

B82YSpecific uses or applications of nanostructures6%

C12NMicroorganisms or enzymes6%

G03CPhotosensitive materials for photographic purposes3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

PatentTitleYear

6,436,691'Chemical compounds'2002 5,985,281'Chemical compounds'1999 5,395,838'6-substituted quinazolines processing anti-tumor activity'1995 5,254,679'Cephalosporin intermediates'1993 5,252,573'Anti-tumor agents'1993 5,089,499'Quinazoline derivatives possessing anti-tumor activity'1992 5,049,558'Cephalosporin derivatives'1991 4,568,691'Anti-inflammatory esters of 4-(1-hydroxy-2-[(acylamino)-alkylamino]-ethyl)-phenol derivatives, compositions, and method of use therefor'1986 4,520,027'Anti-inflammatory esters of 4-(1-hydroxy-2-[(acylamino)alkylamino]ethyl) phenols'1985 4,338,316'9-Aryloxy prostane derivatives'1982 4,109,015'Prostane derivatives'1978 4,096,337'Prostane derivatives'1978 4,004,021'Cyclopentane derivatives'1977 3,953,502'Cyclopentane derivatives'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2002Based in Macclesfield, GB· patent location history

1977–1982Patents assigned to ICI LTD (4)· patent assignee history

1982–1995Based in Poynton, GB· patent location history

1985–1995Patents assigned to ICI PLC (7)· patent assignee history

1991–1993Patents assigned to ICI PHARMA (2)· patent assignee history

1992–1995Patents assigned to NAT RES DEV (3)· patent assignee history

1999–2002Patents assigned to ZENECA LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ICI PLC	7	1985–1995
ICI LTD	4	1977–1982
NAT RES DEV	3	1992–1995
ICI PHARMA	2	1991–1993
ZENECA LTD	2	1999–2002

Locations

Location	Patents	Span
Poynton, GB	8	1982–1995
Macclesfield, GB	6	1976–2002