Inventor

James Andrew Ramsden

Inventor

Cambridge, GB

Overview

4→

Patents

2003–2007

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.

A61Pprimary

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%

C07CAcyclic or carbocyclic compounds20%

C07DHeterocyclic compounds20%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%

C07BGeneral methods of organic chemistry10%

PatentTitleYear

7,301,039'Process for preparing cationic rhodium complexes'2007 6,891,059'Asymmetric synthesis of pregabalin'2005 6,528,687'Ruthenium complexes and their use in asymmetric hydrogenation'2003 6,518,422'Process for the synthesis of (3aS)-5,5-dioxo-2,3,3a,4-tetrahydro-1H-pyrrolo2,1-c1,2,4 benzothiadiazine'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to CHIROTECH TECHNOLOGY LTD (1)· patent assignee history

2003Patents assigned to SERVIER LAB (1)· patent assignee history

2003–2007Based in Cambridge, GB· patent location history

2005Patents assigned to WARNER LAMBERT CO (1)· patent assignee history

2007Patents assigned to DOW GLOBAL TECHNOLOGIES INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHIROTECH TECHNOLOGY LTD	1	2003
DOW GLOBAL TECHNOLOGIES INC	1	2007
SERVIER LAB	1	2003
WARNER LAMBERT CO	1	2005

Locations

Location	Patents	Span
Cambridge, GB	4	2003–2007