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For the Inventor, By the Inventor

Munich, Germany

Ellen Kohn

This inventor holds 2 USPTO granted patents. Top assignee: Degussa Aktiengesellschaft. Active years: 1989-1991.

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Karlsdorf-Neuthard, DE (1989)
  • Grossaitigen, DE (1991)

Company Filing History:

goldMedal2 out of 1,694 
 
Degussa Aktiengesellschaft
 patents

Years Active: 1989-1991

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2 patents (USPTO):Explore Patents
1. 5001191 - Process for dry cationization of polyvinyl alcohol (1991-03-19),
2. 4822851 - Process for the preparation of cationized polyvinyl alcohol (1989-04-18),
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