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Frankfurt-am-Main, Germany

Wolfgang Leonhardt

USPTO Granted Patents = 9

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 133(Granted Patents)

Company Filing History:

Degussa Aktiengesellschaft

Years Active: 1988-2003

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6595008 - Process for the safe storage of sodium percarbonate in bulk containers (2003-07-22),

2. 5988436 - Discharge device for bulk containers for particulate bulk materials and (1999-11-23),

3. 5494488 - Detergent composition and method of use with surfactant, silicate, and (1996-02-27),

4. 5298185 - Aqueous stable suspension of water-insoluble silicates capable of (1994-03-29),

5. 5256196 - Precipitated silica paste (1993-10-26),

6. 5227022 - Process for increasing pulp brightness with zeolites and easily (1993-07-13),

7. 5076957 - Phosphate-free detergent builders (1991-12-31),

8. 4879057 - Aqueous bleaching agent suspensions containing peroxycarboxylic acid, (1989-11-07),

9. 4790949 - Aqueous bleaching agent suspensions containing peroxycarboxylic acid, (1988-12-13),

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