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Rheinfelden, Germany

Birgit Bertsch-Frank

USPTO Granted Patents = 15

Average Co-Inventor Count = 4.1

ph-index = 7

Forward Citations = 354(Granted Patents)

Location History:

Hanau, DE (1990 - 1995)
Rheinfelden, DE (1996 - 1999)
Grundau, DE (2000)
Gründau, DE (2001 - 2002)
Wuppertal, DE (2006 - 2008)

Company Filing History:

12 out of 1,678

Degussa Aktiengesellschaft

Degussa - Huls Ag

Years Active: 1990-2008

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7332139 - Process and device for carrying out reactions in reactor with slot-shaped reaction spaces (2008-02-19),

2. 7041267 - Granular sodium carbonate obtained by fluid-bed spray granulation and a process for its production (2006-05-09),

3. 6387346 - Process for producing hydrogen peroxide by direct synthesis (2002-05-14),

4. 6290775 - Fluidized bed reactor and a process of using the same (2001-09-18),

5. 6239095 - Process for preparation of coated peroxygen compounds (2001-05-29),

6. 6117409 - Process for producing hydrogen peroxide by direct synthesis (2000-09-12),

7. 5902682 - Coated sodium percarbonate particles, a process for their preparation (1999-05-11),

8. 5714201 - Process for reducing dissolution time in the production and/or coating (1998-02-03),

9. 5658873 - Coated sodium percarbonate particles, a process for their production and (1997-08-19),

10. 5632965 - Method for the preparation of stabilized sodium percarbonate (1997-05-27),

11. 5560896 - Method for producing granulated sodium percarbonate (1996-10-01),

12. 5395602 - Method for the production of sodium perborate hydrate granulates (1995-03-07),

13. 5250280 - Method of preparing storage-stable aqueous sodium peroxymonsulfate (1993-10-05),

14. 5094827 - High active oxygen content granulated sodium perborate product and (1992-03-10),

15. 4968500 - Continuous method for preparation of granulated sodium perborate (1990-11-06),

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