Friedhelm Zorn

This inventor holds 2 USPTO granted patents. Top assignees: Hoechst Aktiengesellschaft, Hoechst Research & Technology Deutschand Gmbh & Co. Kg. Active years: 1997-2000.

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)

Company Filing History:

1 out of 6,705

Hoechst Aktiengesellschaft

patents

1 out of 1

Hoechst Research & Technology Deutschand Gmbh & Co. Kg

patent

Years Active: 1997-2000

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2 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6048460 - Biological method of treating sewage containing high concentrations of (2000-04-11),

2. 5690834 - Process and apparatus for separating off suspended matter from liquids (1997-11-25),

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