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Erftstadt, Germany

Wilhelm Portz

This inventor holds 4 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1976-1980.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.7

ph-index = 2

Forward Citations = 25(Granted Patents)

Location History:

Erftstadt Kierdorf, DE (1976)
Erftstadt, DE (1979 - 1980)

Company Filing History:

Hoechst Aktiengesellschaft

Years Active: 1976-1980

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4182626 - Production of granular compositions containing pulverulent magnesium (1980-01-08),

2. 4139369 - Desulphurization of an iron melt (1979-02-13),

3. 3998928 - Process for calcining pellet-shaped calcium hydroxide (1976-12-21),

4. 3943061 - Use of an iron/silicon/phosphorus-alloy in separation of minerals (1976-03-09),

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