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Bergisch Gladbach, Germany

Rolf Brockmann

USPTO Granted Patents = 11

Average Co-Inventor Count = 4.0

ph-index = 5

Forward Citations = 71(Granted Patents)

Location History:

Krefeld, DE (1976)
Duesseldorf, DE (1987 - 1991)
Bergisch-Gladbach, DE (1992 - 2003)

Company Filing History:

11 out of 12,157

Bayer Aktiengesellschaft

Years Active: 1976-2003

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6613104 - Process for preparing dyes and/or brightener formulations (2003-09-02),

2. 6596864 - Stilbene brightener (2003-07-22),

3. 6248887 - Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives (2001-06-19),

4. 6241786 - Process for preparing dyes and/or brightener formulations (2001-06-05),

5. 6121444 - Process for preparing substituted 4,4'-diaminostilbene-2,2'-disulphonic (2000-09-19),

6. 6025490 - Process for the preparation of substituted (2000-02-15),

7. 5220057 - Formazan dyestuffs (1993-06-15),

8. 5095102 - 6-substituted sulphonyl-8-sulpho-2-naphthyl monoazo reactive dyestuffs (1992-03-10),

9. 4988234 - Gulley closure (1991-01-29),

10. 4637857 - Process for the removal of residual constituents (1987-01-20),

11. 3989677 - Process for the production of polyamides (1976-11-02),

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