LexDanaLexDanabeta
Inventor

Bernhard Riefling

Inventor
Darmstadt, DE

Overview

4→
Patents
1987–1989
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
C07DHeterocyclic compounds22%
Y02PClimate change mitigation technologies in the production or processing of goods22%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%
PatentTitleYear
4,885,372'Cyclopentane derivatives, methods for producing them and their use'19894,788,299'Ketolactones'19884,733,011'New intermediates for the preparation of 13-thiaprostaglandin derivatives'19884,680,288'Sulfur-containing 6-ketoprostaglandins'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1989Patents assigned to MERCK PATENT GMBH (4)· patent assignee history
1987–1989Based in Darmstadt, DE· patent location history
1988Based in Seeheim-Jugenheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MERCK PATENT GMBH41987–1989
Locations
LocationPatentsSpan
Darmstadt, DE31987–1989
Seeheim-Jugenheim, DE11988