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For the Inventor, By the Inventor

Bensheim, Germany

Hans Stephan

This inventor holds 3 USPTO granted patents. Top assignee: Ciba-Geigy Corporation. Active years: 1985-1997.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:

goldMedal3 out of 6,858 
 
Ciba-Geigy Corporation
 patents

Years Active: 1985-1997

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3 patents (USPTO):Explore Patents
1. 5618963 - Process for the preparation of sterically hindered (1997-04-08),
2. 4731448 - Process for the preparation of (1988-03-15),
3. 4554368 - Continuous process for the preparation of alkyltin thiocarboxylic acid (1985-11-19),
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