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Marianne Siebert-Weigel — 1 Patent

BOBOE: 1 patents #7,871 of 12,373Top 65%
Frankfurt, DE: #751 of 1,298 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Marianne Siebert-Weigel has been granted 1 US patent while listed as an inventor at BOE. All of these patents were granted in 1991. Marianne Siebert-Weigel ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Marianne Siebert-Weigel in Frankfurt, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5037828 Piperazine derivatives, uses thereof and pharmaceutical compositions containing them Gisbert Sponer, Harald D. Borbe-Volmer, Jurgen Engel, Bernhard Kutscher, Georg Niebch 1991-08-06

Frequent Collaborators

Jurgen Engel1 shared
Georg Niebch1 shared
Gisbert Sponer1 shared
Harald D. Borbe-Volmer1 shared
Bernhard Kutscher1 shared

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