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For the Inventor, By the Inventor

Monheim, Germany

Werner Schwab

USPTO Granted Patents = 6

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 63(Granted Patents)


Location History:

  • Langenfeld, DE (1989 - 1993)
  • Monheim, DE (1997 - 2000)

Company Filing History:

goldMedal5 out of 2,080 
 
Henkel Kommanditgesellschaft Auf Aktien
 patents
silverMedal1 out of 1,325 
 
Yokogawa Electric Corporation
 patents
bronzeMedal1 out of 698 
 
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1989-2000

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6 patents (USPTO):Explore Patents
1. 6045763 - Process for working up ammoniacal metal solutions including treating the (2000-04-04),
2. 5632963 - Process for the removal of impurity elements from solutions of valuable (1997-05-27),
3. 5260039 - Process for the two-phase extraction of metal ions from phases (1993-11-09),
4. 5039496 - Process for selective extraction of contaminant elements from mixtures (1991-08-13),
5. 4834951 - Common separation of contaminating elements from electrolyte solutions (1989-05-30),
6. 4820417 - Use of citric acid partial esters for the extraction of iron (1989-04-11),
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