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Eisenmenger; Edith
Offenbach, DE
No. of patents:

Patent Number Title Of Patent Date Issued
4366138 Carbon black useful for pigment for black lacquers December 28, 1982
An oxidized carbon black (gas black) is prepared within the MCC (medium color channel black) area showing primary particle sizes of an average diameter of 16 to 18 nm and a content of volatiles of at least 15% which, as secondary characteristics, has a specific surface area (BET) of 300
4221772 Carbon black for lacquers and pigments September 9, 1980
There is prepared carbon black having the following properties:The carbon black is useful in producing gray lacquers, multi-colored lacquers and in making low viscosity and storage stable preliminary pastes suitable for use in lacquers.
4197221 Carbon black concentrate April 8, 1980
There is provided a carbon black concentrate of the following composition:The concentrate is useful as a pigmenting agent, e.g., for lacquers and printing inks.

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