Inventor

Jurgen Ruppert

Inventor

Berlin, DE

Overview

1976–1978

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C07Dprimary

C07DHeterocyclic compounds50%

C07CAcyclic or carbocyclic compounds35%

C07JSteroids15%

PatentTitleYear

4,108,871'Novel benzopyran derivatives'1978 4,032,540'Benzopyran derivatives'1977 4,017,545'Process for the preparation of bicycloalkane derivatives'1977 4,012,420'9,10-Secoestrane derivatives and their production'1977 4,008,253'Bicycloalkanes'1977 4,001,302'9,10-Secoestrane derivatives and their production'1977 3,998,847'9,10-Secoestrane derivatives and their production'1976 3,976,701'Process for the preparation of 9,10-secoestrane derivatives'1976 3,965,124'6,9-Oxido-9,10-secoestrane derivatives and method of synthesis'1976 3,962,280'Process for preparing benzopyran derivatives'1976 3,960,842'Process for the preparation of 17.beta.-oxalyl steroids'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to SCHERING AG (11)· patent assignee history

1976–1978Based in Berlin, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCHERING AG	11	1976–1978

Locations

Location	Patents	Span
Berlin, DE	11	1976–1978