Inventor

Rene Imwinkelried

Inventor

Brig-Glis, CH

Overview

19→

Patents

1989–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 19 as inventor

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

C07Dprimary

C07DHeterocyclic compounds51%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations16%

C07CAcyclic or carbocyclic compounds11%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%

C07BGeneral methods of organic chemistry5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

PatentTitleYear

5,744,601'N-(2-amino-4, 6-dichlopyrimidine-5-yl) formanide, and a process for its preparation'1998 5,700,920'Carbocyclic nucleosides containing bicyclic rings, oligonucleotides therefrom, process for their preparation, their use and intermediates'1997 5,693,800'N-(2-amino-4,6-dichloropyrimidine-5-yl) formamide and a process for its preparation'1997 5,663,340'N-(2-amino-4,6-dichloropyrimidine-5-yl)formamide, and a process for its preparation'1997 5,583,226'4,6-dichloropyrimidine and related compounds'1996 5,536,841'Process for the preparation of 2-substituted 5-chloroimidazole-4-carbaldehydes'1996 5,508,425'Process for producing 2-substituted 5-chlorimidazoles'1996 5,486,617'Process for the preparation of 2-substituted 5-chloroimidazole-4-carbaldehydes'1996 5,484,939'2-substituted 5-chlorimidazoles'1996 5,461,152'Carbocyclic nucleosides containing bicycle rings, oligonucleotides therefrom, process for their preparation, their use and intermediates'1995 5,446,159'Process for preparing imidazopyridine derivatives'1995 5,446,160'Process for preparing imidazopyridine derivatives'1995 5,442,076'Process for the production of 2-substituted-5-chlorimidazole-4-carbaldehydes'1995 5,442,075'Process for the production of 2-substituted 5-chlorimidazole-4-carbaldehydes'1995 5,395,963'Process for chloronitroacetic acid esters'1995 5,378,845'Process for the production of 2-halo-4,6-dialkoxy pyrimidines'1995 5,284,960'Process for the production of 5-chloroxindole'1994 4,983,766'Optically active B hydroxy acids'1991 4,812,476'Process for stereosectively preparing optically active compounds'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to ICI PLC (2)· patent assignee history

1989–1991Based in Fiesch, CH· patent location history

1994–1998Patents assigned to LONZA AG (15)· patent assignee history

1994–1998Based in Brig-Glis, CH· patent location history

1995Patents assigned to CIBA GEIGY CORP (1)· patent assignee history

1997Patents assigned to NOVARTIS AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LONZA AG	15	1994–1998
ICI PLC	2	1989–1991
CIBA GEIGY CORP	1	1995
NOVARTIS AG	1	1997

Locations

Location	Patents	Span
Brig-Glis, CH	17	1994–1998
Fiesch, CH	2	1989–1991